/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_0310.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:17:51,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:17:51,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:17:51,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:17:51,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:17:51,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:17:51,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:17:51,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:17:51,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:17:51,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:17:51,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:17:51,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:17:51,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:17:51,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:17:51,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:17:51,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:17:51,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:17:51,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:17:51,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:17:51,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:17:51,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:17:51,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:17:51,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:17:51,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:17:51,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:17:51,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:17:51,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:17:51,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:17:51,625 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 00:17:51,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:17:51,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:17:51,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:17:51,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:17:51,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:17:51,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:17:51,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:17:51,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:17:51,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:17:51,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:51,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:17:51,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:17:51,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:17:51,642 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:17:51,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:17:51,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:17:51,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:17:51,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:17:51,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:17:51,873 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:17:51,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0310.c [2022-02-01 00:17:51,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/425053874/8401b90b5f63474cb2375a5f6173c512/FLAGaad72b8ca [2022-02-01 00:17:52,620 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:17:52,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0310.c [2022-02-01 00:17:52,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/425053874/8401b90b5f63474cb2375a5f6173c512/FLAGaad72b8ca [2022-02-01 00:17:52,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/425053874/8401b90b5f63474cb2375a5f6173c512 [2022-02-01 00:17:52,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:17:52,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:17:52,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:52,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:17:52,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:17:52,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:52" (1/1) ... [2022-02-01 00:17:52,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822f66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:52, skipping insertion in model container [2022-02-01 00:17:52,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:52" (1/1) ... [2022-02-01 00:17:52,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:17:52,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:17:53,303 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_0310.c[16331,16344] [2022-02-01 00:17:53,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:53,317 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:17:53,394 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_0310.c[16331,16344] [2022-02-01 00:17:53,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:53,410 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:17:53,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53 WrapperNode [2022-02-01 00:17:53,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:53,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:17:53,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:17:53,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:17:53,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:17:53,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:17:53,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:17:53,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:17:53,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:17:53,534 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 00:17:53,574 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 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:17:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-02-01 00:17:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-02-01 00:17:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2022-02-01 00:17:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:17:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:17:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:17:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:17:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:17:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:17:53,687 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:17:53,688 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:17:54,235 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:17:54,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:17:54,242 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-02-01 00:17:54,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:54 BoogieIcfgContainer [2022-02-01 00:17:54,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:17:54,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:17:54,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:17:54,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:17:54,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:17:52" (1/3) ... [2022-02-01 00:17:54,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1d1e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:54, skipping insertion in model container [2022-02-01 00:17:54,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53" (2/3) ... [2022-02-01 00:17:54,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1d1e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:54, skipping insertion in model container [2022-02-01 00:17:54,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:54" (3/3) ... [2022-02-01 00:17:54,249 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2022-02-01 00:17:54,252 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:17:54,253 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:17:54,286 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:17:54,292 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 00:17:54,292 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:17:54,317 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 00:17:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:17:54,323 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:54,324 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 00:17:54,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:54,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:54,328 INFO L85 PathProgramCache]: Analyzing trace with hash -397719560, now seen corresponding path program 1 times [2022-02-01 00:17:54,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:54,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758489588] [2022-02-01 00:17:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:54,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:54,414 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:17:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:17:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:17:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:54,763 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 00:17:54,764 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:17:54,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758489588] [2022-02-01 00:17:54,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [758489588] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:17:54,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:17:54,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:17:54,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859977824] [2022-02-01 00:17:54,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:17:54,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:17:54,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:17:54,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:17:54,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:17:54,788 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 00:17:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:17:56,041 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-02-01 00:17:56,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:17:56,043 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 00:17:56,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:17:56,051 INFO L225 Difference]: With dead ends: 562 [2022-02-01 00:17:56,051 INFO L226 Difference]: Without dead ends: 281 [2022-02-01 00:17:56,056 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 00:17:56,069 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 345 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-02-01 00:17:56,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 358 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-01 00:17:56,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-01 00:17:56,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-02-01 00:17:56,183 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 00:17:56,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-02-01 00:17:56,185 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-02-01 00:17:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:17:56,186 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-02-01 00:17:56,186 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 00:17:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-02-01 00:17:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:17:56,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:56,187 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 00:17:56,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:17:56,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:56,188 INFO L85 PathProgramCache]: Analyzing trace with hash 754890878, now seen corresponding path program 1 times [2022-02-01 00:17:56,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:56,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625549067] [2022-02-01 00:17:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:56,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:56,191 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:56,236 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:17:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:56,332 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:17:56,332 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:17:56,335 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:17:56,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:17:56,339 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:17:56,341 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:17:56,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:17:56 BoogieIcfgContainer [2022-02-01 00:17:56,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:17:56,362 INFO L158 Benchmark]: Toolchain (without parser) took 3407.58ms. Allocated memory was 197.1MB in the beginning and 283.1MB in the end (delta: 86.0MB). Free memory was 145.5MB in the beginning and 206.0MB in the end (delta: -60.6MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,363 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:17:56,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.46ms. Allocated memory is still 197.1MB. Free memory was 145.3MB in the beginning and 157.8MB in the end (delta: -12.5MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,366 INFO L158 Benchmark]: Boogie Preprocessor took 97.28ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 151.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,366 INFO L158 Benchmark]: RCFGBuilder took 734.44ms. Allocated memory is still 197.1MB. Free memory was 151.5MB in the beginning and 93.9MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,368 INFO L158 Benchmark]: TraceAbstraction took 2117.10ms. Allocated memory was 197.1MB in the beginning and 283.1MB in the end (delta: 86.0MB). Free memory was 93.3MB in the beginning and 206.0MB in the end (delta: -112.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:17:56,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 452.46ms. Allocated memory is still 197.1MB. Free memory was 145.3MB in the beginning and 157.8MB in the end (delta: -12.5MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 97.28ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 151.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 734.44ms. Allocated memory is still 197.1MB. Free memory was 151.5MB in the beginning and 93.9MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2117.10ms. Allocated memory was 197.1MB in the beginning and 283.1MB in the end (delta: 86.0MB). Free memory was 93.3MB in the beginning and 206.0MB in the end (delta: -112.7MB). 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: 647]: 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 532, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618, overapproximation of bitwiseAnd at line 613, 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; [L366-L377] 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, }; [L379-L386] 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, }; [L388-L397] 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; [L530-L536] 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; [L574-L580] 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; [L642] double x = 0.0 / 0.0; [L643] CALL, EXPR cos_double(x) [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; [L608] ieee_double_shape_type gh_u; [L609] gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] (ix) = gh_u.parts.msw [L613] ix &= 0x7fffffff [L614] COND FALSE !(ix <= 0x3fe921fb) [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; [L643] RET, EXPR cos_double(x) [L643] double res = cos_double(x); [L646] CALL, EXPR isnan_double(res) [L88] return x != x; [L646] RET, EXPR isnan_double(res) [L646] COND TRUE !isnan_double(res) [L647] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 0.8s 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 00:17:56,402 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...