/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_0550b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:18:06,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:18:06,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:18:06,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:18:06,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:18:06,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:18:06,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:18:06,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:18:06,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:18:06,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:18:06,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:18:06,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:18:06,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:18:06,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:18:06,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:18:06,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:18:06,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:18:06,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:18:06,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:18:06,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:18:06,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:18:06,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:18:06,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:18:06,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:18:06,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:18:06,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:18:06,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:18:06,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:18:06,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-01 00:18:06,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:18:06,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:18:06,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:18:06,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:18:06,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:18:06,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:18:06,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:18:06,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:18:06,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:18:06,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:18:06,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:18:06,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:18:06,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:18:06,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:18:06,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:18:06,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:18:06,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:18:06,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:18:06,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:18:06,476 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:18:06,476 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:18:06,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:18:06,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:18:06,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:18:06,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:18:06,721 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:18:06,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c [2022-02-01 00:18:06,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee09156e3/dcb763afc91741f3b49c7df1016d7daa/FLAG4631da047 [2022-02-01 00:18:07,202 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:18:07,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0550b.c [2022-02-01 00:18:07,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee09156e3/dcb763afc91741f3b49c7df1016d7daa/FLAG4631da047 [2022-02-01 00:18:07,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee09156e3/dcb763afc91741f3b49c7df1016d7daa [2022-02-01 00:18:07,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:18:07,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:18:07,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:18:07,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:18:07,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:18:07,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:18:07" (1/1) ... [2022-02-01 00:18:07,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c6da680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:07, skipping insertion in model container [2022-02-01 00:18:07,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:18:07" (1/1) ... [2022-02-01 00:18:07,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:18:07,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:18:07,992 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_0550b.c[16149,16162] [2022-02-01 00:18:07,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:18:08,013 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:18:08,082 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_0550b.c[16149,16162] [2022-02-01 00:18:08,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:18:08,101 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:18:08,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08 WrapperNode [2022-02-01 00:18:08,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:18:08,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:18:08,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:18:08,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:18:08,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:18:08,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:18:08,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:18:08,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:18:08,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (1/1) ... [2022-02-01 00:18:08,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:18:08,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:18:08,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-01 00:18:08,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:18:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:18:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:18:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:18:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:18:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-02-01 00:18:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2022-02-01 00:18:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:18:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:18:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:18:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:18:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:18:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:18:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:18:08,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:18:08,379 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:18:08,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:18:08,916 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:18:08,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:18:08,927 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-02-01 00:18:08,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:18:08 BoogieIcfgContainer [2022-02-01 00:18:08,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:18:08,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:18:08,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:18:08,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:18:08,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:18:07" (1/3) ... [2022-02-01 00:18:08,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b21987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:18:08, skipping insertion in model container [2022-02-01 00:18:08,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:08" (2/3) ... [2022-02-01 00:18:08,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b21987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:18:08, skipping insertion in model container [2022-02-01 00:18:08,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:18:08" (3/3) ... [2022-02-01 00:18:08,936 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0550b.c [2022-02-01 00:18:08,939 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:18:08,939 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:18:08,975 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:18:08,981 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=QVASR [2022-02-01 00:18:08,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:18:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 277 states, 246 states have (on average 1.646341463414634) internal successors, (405), 247 states have internal predecessors, (405), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-02-01 00:18:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:18:09,015 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:09,015 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 00:18:09,016 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:09,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2132499816, now seen corresponding path program 1 times [2022-02-01 00:18:09,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:09,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942494417] [2022-02-01 00:18:09,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:09,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:09,070 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:18:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:18:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:18:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-01 00:18:09,401 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:18:09,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942494417] [2022-02-01 00:18:09,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1942494417] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:18:09,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:18:09,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:18:09,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031361951] [2022-02-01 00:18:09,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:18:09,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:18:09,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:18:09,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:18:09,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:18:09,436 INFO L87 Difference]: Start difference. First operand has 277 states, 246 states have (on average 1.646341463414634) internal successors, (405), 247 states have internal predecessors, (405), 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 3.75) 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 00:18:10,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:18:10,465 INFO L93 Difference]: Finished difference Result 546 states and 888 transitions. [2022-02-01 00:18:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:18:10,468 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 00:18:10,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:18:10,476 INFO L225 Difference]: With dead ends: 546 [2022-02-01 00:18:10,476 INFO L226 Difference]: Without dead ends: 273 [2022-02-01 00:18:10,497 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 00:18:10,500 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 337 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:18:10,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 350 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-01 00:18:10,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-02-01 00:18:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2022-02-01 00:18:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 244 states have (on average 1.3770491803278688) internal successors, (336), 244 states have internal predecessors, (336), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-02-01 00:18:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2022-02-01 00:18:10,586 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 22 [2022-02-01 00:18:10,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:18:10,586 INFO L470 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2022-02-01 00:18:10,586 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 00:18:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2022-02-01 00:18:10,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:18:10,588 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:10,588 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 00:18:10,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:18:10,588 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:10,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:10,589 INFO L85 PathProgramCache]: Analyzing trace with hash -147898382, now seen corresponding path program 1 times [2022-02-01 00:18:10,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:10,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9489604] [2022-02-01 00:18:10,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:10,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:10,591 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:10,640 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:18:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:10,723 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:18:10,724 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:18:10,726 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:18:10,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:18:10,730 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:18:10,732 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:18:10,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:18:10 BoogieIcfgContainer [2022-02-01 00:18:10,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:18:10,752 INFO L158 Benchmark]: Toolchain (without parser) took 3186.58ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 113.5MB in the beginning and 73.4MB in the end (delta: 40.1MB). Peak memory consumption was 75.1MB. Max. memory is 8.0GB. [2022-02-01 00:18:10,752 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory was 130.9MB in the beginning and 130.8MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:18:10,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.05ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 113.2MB in the beginning and 163.0MB in the end (delta: -49.8MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-02-01 00:18:10,755 INFO L158 Benchmark]: Boogie Preprocessor took 89.44ms. Allocated memory is still 205.5MB. Free memory was 163.0MB in the beginning and 156.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:18:10,756 INFO L158 Benchmark]: RCFGBuilder took 725.18ms. Allocated memory is still 205.5MB. Free memory was 156.7MB in the beginning and 98.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2022-02-01 00:18:10,757 INFO L158 Benchmark]: TraceAbstraction took 1821.03ms. Allocated memory is still 205.5MB. Free memory was 98.0MB in the beginning and 73.4MB in the end (delta: 24.6MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. [2022-02-01 00:18:10,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 170.9MB. Free memory was 130.9MB in the beginning and 130.8MB in the end (delta: 126.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 526.05ms. Allocated memory was 170.9MB in the beginning and 205.5MB in the end (delta: 34.6MB). Free memory was 113.2MB in the beginning and 163.0MB in the end (delta: -49.8MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.44ms. Allocated memory is still 205.5MB. Free memory was 163.0MB in the beginning and 156.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 725.18ms. Allocated memory is still 205.5MB. Free memory was 156.7MB in the beginning and 98.0MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1821.03ms. Allocated memory is still 205.5MB. Free memory was 98.0MB in the beginning and 73.4MB in the end (delta: 24.6MB). Peak memory consumption was 25.7MB. 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 538, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. 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, }; [L644] double x = -1.0 / 0.0; [L645] 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; [L645] RET, EXPR tan_double(x) [L645] double res = tan_double(x); [L648] CALL, EXPR isnan_double(res) [L20] 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 13 procedures, 280 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, 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, 352 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 337 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 348 mSDtfsCounter, 377 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=277occurred 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 00:18:10,806 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...