/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_0240a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:17:39,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:17:39,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:17:39,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:17:39,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:17:39,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:17:39,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:17:39,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:17:39,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:17:39,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:17:39,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:17:39,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:17:39,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:17:39,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:17:39,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:17:39,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:17:39,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:17:39,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:17:39,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:17:39,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:17:39,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:17:39,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:17:39,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:17:39,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:17:39,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:17:39,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:17:39,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:17:39,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:17:39,157 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 00:17:39,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:17:39,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:17:39,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:17:39,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:17:39,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:17:39,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:17:39,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:17:39,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:17:39,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:17:39,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:17:39,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:17:39,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:17:39,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:17:39,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:17:39,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:17:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:39,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:17:39,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:17:39,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:17:39,177 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:17:39,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:17:39,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:17:39,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:17:39,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:17:39,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:17:39,431 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:17:39,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0240a.c [2022-02-01 00:17:39,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c94e2cc5/6eaf0e87a28d43b8ae0d0972520f10d4/FLAG273dcdc96 [2022-02-01 00:17:39,826 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:17:39,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0240a.c [2022-02-01 00:17:39,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c94e2cc5/6eaf0e87a28d43b8ae0d0972520f10d4/FLAG273dcdc96 [2022-02-01 00:17:40,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c94e2cc5/6eaf0e87a28d43b8ae0d0972520f10d4 [2022-02-01 00:17:40,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:17:40,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:17:40,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:40,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:17:40,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:17:40,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20989a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40, skipping insertion in model container [2022-02-01 00:17:40,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:17:40,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:17:40,583 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_0240a.c[16283,16296] [2022-02-01 00:17:40,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:40,608 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:17:40,674 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_0240a.c[16283,16296] [2022-02-01 00:17:40,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:40,697 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:17:40,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40 WrapperNode [2022-02-01 00:17:40,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:40,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:17:40,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:17:40,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:17:40,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:17:40,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:17:40,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:17:40,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:17:40,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (1/1) ... [2022-02-01 00:17:40,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:40,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:17:40,816 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 00:17:40,820 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 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:17:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:17:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-02-01 00:17:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-02-01 00:17:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_double [2022-02-01 00:17:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:17:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-02-01 00:17:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure sin_double [2022-02-01 00:17:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:17:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:17:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:17:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:17:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:17:40,974 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:17:40,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:17:41,657 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:17:41,678 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:17:41,678 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-02-01 00:17:41,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:41 BoogieIcfgContainer [2022-02-01 00:17:41,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:17:41,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:17:41,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:17:41,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:17:41,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:17:40" (1/3) ... [2022-02-01 00:17:41,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411a4c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:41, skipping insertion in model container [2022-02-01 00:17:41,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:40" (2/3) ... [2022-02-01 00:17:41,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411a4c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:41, skipping insertion in model container [2022-02-01 00:17:41,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:41" (3/3) ... [2022-02-01 00:17:41,707 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0240a.c [2022-02-01 00:17:41,711 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:17:41,711 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:17:41,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:17:41,750 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 00:17:41,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:17:41,766 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 00:17:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:17:41,772 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:41,772 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 00:17:41,773 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:41,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:41,777 INFO L85 PathProgramCache]: Analyzing trace with hash -600049960, now seen corresponding path program 1 times [2022-02-01 00:17:41,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:41,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427827219] [2022-02-01 00:17:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:41,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:41,827 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:17:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:17:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:17:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:42,185 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 00:17:42,186 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:17:42,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427827219] [2022-02-01 00:17:42,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [427827219] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:17:42,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:17:42,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:17:42,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41907671] [2022-02-01 00:17:42,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:17:42,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:17:42,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:17:42,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:17:42,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:17:42,222 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 00:17:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:17:43,282 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-02-01 00:17:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:17:43,284 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 00:17:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:17:43,298 INFO L225 Difference]: With dead ends: 562 [2022-02-01 00:17:43,298 INFO L226 Difference]: Without dead ends: 281 [2022-02-01 00:17:43,304 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 00:17:43,307 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 00:17:43,307 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 00:17:43,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-01 00:17:43,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-02-01 00:17:43,425 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 00:17:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-02-01 00:17:43,429 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-02-01 00:17:43,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:17:43,430 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-02-01 00:17:43,430 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 00:17:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-02-01 00:17:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:17:43,432 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:43,432 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 00:17:43,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:17:43,433 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:43,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:43,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1862275340, now seen corresponding path program 1 times [2022-02-01 00:17:43,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:43,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177269156] [2022-02-01 00:17:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:43,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:43,463 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:43,530 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:17:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:43,597 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:17:43,597 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:17:43,599 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:17:43,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:17:43,602 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:17:43,604 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:17:43,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:17:43 BoogieIcfgContainer [2022-02-01 00:17:43,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:17:43,617 INFO L158 Benchmark]: Toolchain (without parser) took 3383.29ms. Allocated memory was 190.8MB in the beginning and 243.3MB in the end (delta: 52.4MB). Free memory was 146.2MB in the beginning and 192.1MB in the end (delta: -45.9MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2022-02-01 00:17:43,617 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory was 163.6MB in the beginning and 163.5MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:17:43,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.60ms. Allocated memory is still 190.8MB. Free memory was 146.1MB in the beginning and 152.5MB in the end (delta: -6.4MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. [2022-02-01 00:17:43,618 INFO L158 Benchmark]: Boogie Preprocessor took 88.90ms. Allocated memory is still 190.8MB. Free memory was 152.5MB in the beginning and 146.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:43,619 INFO L158 Benchmark]: RCFGBuilder took 897.19ms. Allocated memory was 190.8MB in the beginning and 243.3MB in the end (delta: 52.4MB). Free memory was 146.0MB in the beginning and 202.9MB in the end (delta: -56.8MB). Peak memory consumption was 52.2MB. Max. memory is 8.0GB. [2022-02-01 00:17:43,619 INFO L158 Benchmark]: TraceAbstraction took 1930.54ms. Allocated memory is still 243.3MB. Free memory was 202.9MB in the beginning and 192.1MB in the end (delta: 10.7MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:43,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory was 163.6MB in the beginning and 163.5MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.60ms. Allocated memory is still 190.8MB. Free memory was 146.1MB in the beginning and 152.5MB in the end (delta: -6.4MB). Peak memory consumption was 13.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 88.90ms. Allocated memory is still 190.8MB. Free memory was 152.5MB in the beginning and 146.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 897.19ms. Allocated memory was 190.8MB in the beginning and 243.3MB in the end (delta: 52.4MB). Free memory was 146.0MB in the beginning and 202.9MB in the end (delta: -56.8MB). Peak memory consumption was 52.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1930.54ms. Allocated memory is still 243.3MB. Free memory was 202.9MB in the beginning and 192.1MB in the end (delta: 10.7MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 646]: 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 618, overapproximation of bitwiseAnd at line 614, 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; [L641] double x = 1.0 / 0.0; [L642] CALL, EXPR sin_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 [L614] ix &= 0x7fffffff [L615] COND FALSE !(ix <= 0x3fe921fb) [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; [L642] RET, EXPR sin_double(x) [L642] double res = sin_double(x); [L645] CALL, EXPR isnan_double(res) [L88] return x != x; [L645] RET, EXPR isnan_double(res) [L645] COND TRUE !isnan_double(res) [L646] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, 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 00:17:43,660 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...