/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_0330b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:17:55,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:17:55,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:17:55,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:17:55,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:17:55,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:17:55,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:17:55,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:17:55,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:17:55,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:17:55,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:17:55,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:17:55,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:17:55,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:17:55,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:17:55,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:17:55,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:17:55,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:17:55,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:17:55,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:17:55,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:17:55,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:17:55,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:17:55,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:17:55,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:17:55,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:17:55,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:17:55,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:17:55,902 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 00:17:55,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:17:55,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:17:55,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:17:55,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:17:55,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:17:55,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:17:55,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:17:55,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:17:55,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:55,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:17:55,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:17:55,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:17:55,912 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:17:55,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:17:56,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:17:56,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:17:56,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:17:56,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:17:56,123 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:17:56,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0330b.c [2022-02-01 00:17:56,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e246658/362fe8bbd36049a085aea9e5ba84bdd6/FLAG00901bd19 [2022-02-01 00:17:56,597 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:17:56,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0330b.c [2022-02-01 00:17:56,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e246658/362fe8bbd36049a085aea9e5ba84bdd6/FLAG00901bd19 [2022-02-01 00:17:56,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94e246658/362fe8bbd36049a085aea9e5ba84bdd6 [2022-02-01 00:17:56,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:17:56,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:17:56,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:56,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:17:56,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:17:56,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461aea47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:56, skipping insertion in model container [2022-02-01 00:17:56,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:56" (1/1) ... [2022-02-01 00:17:56,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:17:56,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:17:56,921 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_0330b.c[16341,16354] [2022-02-01 00:17:56,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:56,941 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:17:57,026 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_0330b.c[16341,16354] [2022-02-01 00:17:57,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:57,050 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:17:57,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57 WrapperNode [2022-02-01 00:17:57,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:57,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:17:57,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:17:57,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:17:57,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:17:57,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:17:57,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:17:57,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:17:57,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (1/1) ... [2022-02-01 00:17:57,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:57,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:17:57,224 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 00:17:57,231 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 00:17:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:17:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:17:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:17:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:17:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-01 00:17:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:17:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:17:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:17:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:17:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:17:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-02-01 00:17:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-02-01 00:17:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2022-02-01 00:17:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:17:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:17:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:17:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:17:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:17:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:17:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:17:57,411 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:17:57,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:17:58,134 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:17:58,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:17:58,145 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-02-01 00:17:58,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:58 BoogieIcfgContainer [2022-02-01 00:17:58,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:17:58,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:17:58,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:17:58,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:17:58,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:17:56" (1/3) ... [2022-02-01 00:17:58,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1856e02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:58, skipping insertion in model container [2022-02-01 00:17:58,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:57" (2/3) ... [2022-02-01 00:17:58,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1856e02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:58, skipping insertion in model container [2022-02-01 00:17:58,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:58" (3/3) ... [2022-02-01 00:17:58,156 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0330b.c [2022-02-01 00:17:58,160 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:17:58,160 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:17:58,194 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:17:58,199 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 00:17:58,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:17:58,216 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 00:17:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:17:58,222 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:58,222 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 00:17:58,223 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:58,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:58,226 INFO L85 PathProgramCache]: Analyzing trace with hash -397719560, now seen corresponding path program 1 times [2022-02-01 00:17:58,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:58,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533405162] [2022-02-01 00:17:58,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:58,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:58,274 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:17:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:17:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:58,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:17:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:58,641 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 00:17:58,643 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:17:58,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533405162] [2022-02-01 00:17:58,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1533405162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:17:58,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:17:58,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:17:58,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274409820] [2022-02-01 00:17:58,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:17:58,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:17:58,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:17:58,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:17:58,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:17:58,678 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 00:17:59,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:17:59,778 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-02-01 00:17:59,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:17:59,780 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 00:17:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:17:59,793 INFO L225 Difference]: With dead ends: 562 [2022-02-01 00:17:59,793 INFO L226 Difference]: Without dead ends: 281 [2022-02-01 00:17:59,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:17:59,803 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 00:17:59,804 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 00:17:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-01 00:17:59,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-02-01 00:17:59,890 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 00:17:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-02-01 00:17:59,893 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-02-01 00:17:59,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:17:59,894 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-02-01 00:17:59,894 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 00:17:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-02-01 00:17:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:17:59,895 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:59,895 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 00:17:59,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:17:59,896 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:59,896 INFO L85 PathProgramCache]: Analyzing trace with hash 754890878, now seen corresponding path program 1 times [2022-02-01 00:17:59,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:59,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800441802] [2022-02-01 00:17:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:59,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:59,899 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:59,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:17:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:00,004 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:18:00,004 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:18:00,006 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:18:00,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:18:00,009 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:18:00,011 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:18:00,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:18:00 BoogieIcfgContainer [2022-02-01 00:18:00,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:18:00,024 INFO L158 Benchmark]: Toolchain (without parser) took 3386.53ms. Allocated memory was 167.8MB in the beginning and 298.8MB in the end (delta: 131.1MB). Free memory was 110.8MB in the beginning and 95.9MB in the end (delta: 14.9MB). Peak memory consumption was 145.9MB. Max. memory is 8.0GB. [2022-02-01 00:18:00,024 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:18:00,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.33ms. Allocated memory was 167.8MB in the beginning and 298.8MB in the end (delta: 131.1MB). Free memory was 110.6MB in the beginning and 258.7MB in the end (delta: -148.1MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. [2022-02-01 00:18:00,025 INFO L158 Benchmark]: Boogie Preprocessor took 148.61ms. Allocated memory is still 298.8MB. Free memory was 258.7MB in the beginning and 251.9MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-01 00:18:00,025 INFO L158 Benchmark]: RCFGBuilder took 946.92ms. Allocated memory is still 298.8MB. Free memory was 251.9MB in the beginning and 194.2MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-02-01 00:18:00,025 INFO L158 Benchmark]: TraceAbstraction took 1872.16ms. Allocated memory is still 298.8MB. Free memory was 193.7MB in the beginning and 95.9MB in the end (delta: 97.8MB). Peak memory consumption was 98.8MB. Max. memory is 8.0GB. [2022-02-01 00:18:00,027 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 167.8MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 411.33ms. Allocated memory was 167.8MB in the beginning and 298.8MB in the end (delta: 131.1MB). Free memory was 110.6MB in the beginning and 258.7MB in the end (delta: -148.1MB). Peak memory consumption was 14.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 148.61ms. Allocated memory is still 298.8MB. Free memory was 258.7MB in the beginning and 251.9MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 946.92ms. Allocated memory is still 298.8MB. Free memory was 251.9MB in the beginning and 194.2MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1872.16ms. Allocated memory is still 298.8MB. Free memory was 193.7MB in the beginning and 95.9MB in the end (delta: 97.8MB). Peak memory consumption was 98.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 534, overapproximation of someBinaryArithmeticDOUBLEoperation at line 620, overapproximation of bitwiseAnd at line 615, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L368-L379] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L381-L388] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L390-L399] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L532-L538] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L576-L582] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L644] double x = -1.0 / 0.0; [L645] CALL, EXPR cos_double(x) [L607] double y[2], z = 0.0; [L608] __int32_t n, ix; [L610] ieee_double_shape_type gh_u; [L611] gh_u.value = (x) [L612] EXPR gh_u.parts.msw [L612] (ix) = gh_u.parts.msw [L615] ix &= 0x7fffffff [L616] COND FALSE !(ix <= 0x3fe921fb) [L619] COND TRUE ix >= 0x7ff00000 [L620] return x - x; [L620] return x - x; [L645] RET, EXPR cos_double(x) [L645] double res = cos_double(x); [L648] CALL, EXPR isnan_double(res) [L88] return x != x; [L648] RET, EXPR isnan_double(res) [L648] COND TRUE !isnan_double(res) [L649] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 390 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 356 mSDtfsCounter, 390 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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 00:18:00,071 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...