/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0220b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 22:57:51,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 22:57:51,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 22:57:51,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 22:57:51,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 22:57:51,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 22:57:51,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 22:57:51,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 22:57:51,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 22:57:51,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 22:57:51,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 22:57:51,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 22:57:51,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 22:57:51,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 22:57:51,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 22:57:51,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 22:57:51,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 22:57:51,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 22:57:51,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 22:57:51,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 22:57:51,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 22:57:51,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 22:57:51,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 22:57:51,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 22:57:51,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 22:57:51,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 22:57:51,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 22:57:51,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 22:57:51,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 22:57:51,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 22:57:51,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 22:57:51,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 22:57:51,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 22:57:51,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 22:57:51,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 22:57:51,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 22:57:51,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 22:57:51,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 22:57:51,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 22:57:51,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 22:57:51,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:57:51,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 22:57:51,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 22:57:51,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 22:57:51,656 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 22:57:51,656 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 22:57:51,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 22:57:51,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 22:57:51,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 22:57:51,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 22:57:51,891 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 22:57:51,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0220b.c [2022-01-31 22:57:51,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41ff795f/56dc38398581401cb7e028c9491116dc/FLAGd3397183d [2022-01-31 22:57:52,308 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 22:57:52,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0220b.c [2022-01-31 22:57:52,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41ff795f/56dc38398581401cb7e028c9491116dc/FLAGd3397183d [2022-01-31 22:57:52,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41ff795f/56dc38398581401cb7e028c9491116dc [2022-01-31 22:57:52,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 22:57:52,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 22:57:52,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 22:57:52,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 22:57:52,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 22:57:52,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:57:52" (1/1) ... [2022-01-31 22:57:52,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eff91d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:52, skipping insertion in model container [2022-01-31 22:57:52,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:57:52" (1/1) ... [2022-01-31 22:57:52,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 22:57:52,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 22:57:52,998 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_0220b.c[16494,16507] [2022-01-31 22:57:53,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:57:53,022 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 22:57:53,105 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_0220b.c[16494,16507] [2022-01-31 22:57:53,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 22:57:53,125 INFO L208 MainTranslator]: Completed translation [2022-01-31 22:57:53,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53 WrapperNode [2022-01-31 22:57:53,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 22:57:53,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 22:57:53,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 22:57:53,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 22:57:53,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 22:57:53,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 22:57:53,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 22:57:53,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 22:57:53,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (1/1) ... [2022-01-31 22:57:53,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 22:57:53,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 22:57:53,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 22:57:53,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 22:57:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 22:57:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 22:57:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 22:57:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-01-31 22:57:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2022-01-31 22:57:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-01-31 22:57:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-01-31 22:57:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-01-31 22:57:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-01-31 22:57:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-01-31 22:57:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-01-31 22:57:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-01-31 22:57:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_double [2022-01-31 22:57:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 22:57:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 22:57:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-01-31 22:57:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-01-31 22:57:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure sin_double [2022-01-31 22:57:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 22:57:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 22:57:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 22:57:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 22:57:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 22:57:53,508 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 22:57:53,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 22:57:54,276 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 22:57:54,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 22:57:54,288 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-01-31 22:57:54,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:57:54 BoogieIcfgContainer [2022-01-31 22:57:54,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 22:57:54,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 22:57:54,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 22:57:54,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 22:57:54,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:57:52" (1/3) ... [2022-01-31 22:57:54,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b39d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:57:54, skipping insertion in model container [2022-01-31 22:57:54,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:57:53" (2/3) ... [2022-01-31 22:57:54,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b39d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:57:54, skipping insertion in model container [2022-01-31 22:57:54,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:57:54" (3/3) ... [2022-01-31 22:57:54,300 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0220b.c [2022-01-31 22:57:54,304 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 22:57:54,304 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 22:57:54,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 22:57:54,353 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-01-31 22:57:54,353 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 22:57:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 255 states have (on average 1.6392156862745098) internal successors, (418), 256 states have internal predecessors, (418), 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) [2022-01-31 22:57:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-31 22:57:54,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:57:54,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:57:54,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:57:54,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:57:54,390 INFO L85 PathProgramCache]: Analyzing trace with hash -980308182, now seen corresponding path program 1 times [2022-01-31 22:57:54,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:57:54,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635958373] [2022-01-31 22:57:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:57:54,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:57:54,444 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:57:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 22:57:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 22:57:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 22:57:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 22:57:54,887 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 22:57:54,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635958373] [2022-01-31 22:57:54,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [635958373] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 22:57:54,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 22:57:54,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 22:57:54,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759945820] [2022-01-31 22:57:54,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 22:57:54,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 22:57:54,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 22:57:54,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 22:57:54,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 22:57:54,924 INFO L87 Difference]: Start difference. First operand has 289 states, 255 states have (on average 1.6392156862745098) internal successors, (418), 256 states have internal predecessors, (418), 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 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 22:57:56,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 22:57:56,271 INFO L93 Difference]: Finished difference Result 570 states and 925 transitions. [2022-01-31 22:57:56,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 22:57:56,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-01-31 22:57:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 22:57:56,282 INFO L225 Difference]: With dead ends: 570 [2022-01-31 22:57:56,283 INFO L226 Difference]: Without dead ends: 285 [2022-01-31 22:57:56,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 22:57:56,290 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 348 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-31 22:57:56,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 362 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-31 22:57:56,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-01-31 22:57:56,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2022-01-31 22:57:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 253 states have (on average 1.3794466403162056) internal successors, (349), 253 states have internal predecessors, (349), 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) [2022-01-31 22:57:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2022-01-31 22:57:56,458 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 18 [2022-01-31 22:57:56,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 22:57:56,458 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2022-01-31 22:57:56,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 22:57:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2022-01-31 22:57:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-31 22:57:56,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 22:57:56,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 22:57:56,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 22:57:56,461 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 22:57:56,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 22:57:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash -112102004, now seen corresponding path program 1 times [2022-01-31 22:57:56,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 22:57:56,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502001791] [2022-01-31 22:57:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 22:57:56,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 22:57:56,467 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 22:57:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:57:56,540 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 22:57:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 22:57:56,635 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-01-31 22:57:56,636 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 22:57:56,639 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 22:57:56,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 22:57:56,643 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 22:57:56,644 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 22:57:56,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:57:56 BoogieIcfgContainer [2022-01-31 22:57:56,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 22:57:56,668 INFO L158 Benchmark]: Toolchain (without parser) took 3981.07ms. Allocated memory was 198.2MB in the beginning and 249.6MB in the end (delta: 51.4MB). Free memory was 141.8MB in the beginning and 171.4MB in the end (delta: -29.6MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2022-01-31 22:57:56,669 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:57:56,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.21ms. Allocated memory was 198.2MB in the beginning and 249.6MB in the end (delta: 51.4MB). Free memory was 141.7MB in the beginning and 206.7MB in the end (delta: -65.0MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-01-31 22:57:56,672 INFO L158 Benchmark]: Boogie Preprocessor took 114.04ms. Allocated memory is still 249.6MB. Free memory was 206.7MB in the beginning and 200.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-01-31 22:57:56,674 INFO L158 Benchmark]: RCFGBuilder took 1049.40ms. Allocated memory is still 249.6MB. Free memory was 200.4MB in the beginning and 142.2MB in the end (delta: 58.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-01-31 22:57:56,675 INFO L158 Benchmark]: TraceAbstraction took 2374.06ms. Allocated memory is still 249.6MB. Free memory was 142.2MB in the beginning and 171.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 22:57:56,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 438.21ms. Allocated memory was 198.2MB in the beginning and 249.6MB in the end (delta: 51.4MB). Free memory was 141.7MB in the beginning and 206.7MB in the end (delta: -65.0MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 114.04ms. Allocated memory is still 249.6MB. Free memory was 206.7MB in the beginning and 200.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1049.40ms. Allocated memory is still 249.6MB. Free memory was 200.4MB in the beginning and 142.2MB in the end (delta: 58.2MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2374.06ms. Allocated memory is still 249.6MB. Free memory was 142.2MB in the beginning and 171.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 655]: 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 650, overapproximation of bitwiseAnd at line 622, overapproximation of someBinaryArithmeticDOUBLEoperation at line 626, overapproximation of someBinaryDOUBLEComparisonOperation at line 654. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L119-L121] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L190] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L192-L197] 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, }; [L199-L201] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L376-L387] 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, }; [L389-L396] 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, }; [L398-L407] 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; [L540-L546] 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; [L584-L590] 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; [L650] double x = -0.0; [L651] CALL, EXPR sin_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; [L618] ieee_double_shape_type gh_u; [L619] gh_u.value = (x) [L620] EXPR gh_u.parts.msw [L620] (ix) = gh_u.parts.msw [L622] ix &= 0x7fffffff [L623] COND FALSE !(ix <= 0x3fe921fb) [L625] COND TRUE ix >= 0x7ff00000 [L626] return x - x; [L626] return x - x; [L651] RET, EXPR sin_double(x) [L651] double res = sin_double(x); [L654] EXPR res == -0.0 && __signbit_double(res) == 1 [L654] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L655] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 360 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 22:57:56,715 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...