/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_0240b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:17:43,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:17:43,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:17:43,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:17:43,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:17:43,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:17:43,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:17:43,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:17:43,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:17:43,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:17:43,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:17:43,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:17:43,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:17:43,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:17:43,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:17:43,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:17:43,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:17:43,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:17:43,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:17:43,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:17:43,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:17:43,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:17:43,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:17:43,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:17:43,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:17:43,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:17:43,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:17:43,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:17:43,592 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 00:17:43,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:17:43,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:17:43,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:17:43,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:17:43,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:17:43,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:17:43,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:17:43,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:17:43,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:17:43,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:43,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:17:43,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:17:43,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:17:43,608 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:17:43,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:17:43,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:17:43,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:17:43,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:17:43,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:17:43,857 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:17:43,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0240b.c [2022-02-01 00:17:43,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63249c8d8/4ffc29c87f2c45ddb725d9bd3c699a08/FLAGd4af9eba7 [2022-02-01 00:17:44,334 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:17:44,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0240b.c [2022-02-01 00:17:44,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63249c8d8/4ffc29c87f2c45ddb725d9bd3c699a08/FLAGd4af9eba7 [2022-02-01 00:17:44,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63249c8d8/4ffc29c87f2c45ddb725d9bd3c699a08 [2022-02-01 00:17:44,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:17:44,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:17:44,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:44,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:17:44,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:17:44,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:44" (1/1) ... [2022-02-01 00:17:44,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1597ed8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:44, skipping insertion in model container [2022-02-01 00:17:44,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:44" (1/1) ... [2022-02-01 00:17:44,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:17:44,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:17:45,121 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_0240b.c[16110,16123] [2022-02-01 00:17:45,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:45,137 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:17:45,224 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_0240b.c[16110,16123] [2022-02-01 00:17:45,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:45,245 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:17:45,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45 WrapperNode [2022-02-01 00:17:45,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:45,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:17:45,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:17:45,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:17:45,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:17:45,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:17:45,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:17:45,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:17:45,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (1/1) ... [2022-02-01 00:17:45,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:45,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:17:45,456 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 00:17:45,462 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 00:17:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:17:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-02-01 00:17:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-02-01 00:17:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_double [2022-02-01 00:17:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:17:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:17:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:17:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:17:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:17:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:17:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure sin_double [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:17:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:17:45,596 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:17:45,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:17:46,259 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:17:46,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:17:46,269 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-02-01 00:17:46,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:46 BoogieIcfgContainer [2022-02-01 00:17:46,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:17:46,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:17:46,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:17:46,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:17:46,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:17:44" (1/3) ... [2022-02-01 00:17:46,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6782328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:46, skipping insertion in model container [2022-02-01 00:17:46,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:45" (2/3) ... [2022-02-01 00:17:46,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6782328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:17:46, skipping insertion in model container [2022-02-01 00:17:46,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:46" (3/3) ... [2022-02-01 00:17:46,292 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0240b.c [2022-02-01 00:17:46,297 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:17:46,298 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:17:46,347 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:17:46,353 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=QVASR [2022-02-01 00:17:46,353 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:17:46,381 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 00:17:46,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-01 00:17:46,390 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:46,391 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 00:17:46,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:46,397 INFO L85 PathProgramCache]: Analyzing trace with hash -600049960, now seen corresponding path program 1 times [2022-02-01 00:17:46,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:46,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801025715] [2022-02-01 00:17:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:46,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:46,474 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:17:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:17:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:17:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:46,960 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 00:17:46,962 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:17:46,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801025715] [2022-02-01 00:17:46,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [801025715] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:17:46,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:17:46,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:17:46,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358160304] [2022-02-01 00:17:46,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:17:46,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:17:46,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:17:46,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:17:46,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:17:47,002 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 00:17:48,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:17:48,323 INFO L93 Difference]: Finished difference Result 562 states and 910 transitions. [2022-02-01 00:17:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:17:48,325 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 00:17:48,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:17:48,338 INFO L225 Difference]: With dead ends: 562 [2022-02-01 00:17:48,338 INFO L226 Difference]: Without dead ends: 281 [2022-02-01 00:17:48,343 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 00:17:48,345 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 00:17:48,346 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 00:17:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-01 00:17:48,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-02-01 00:17:48,435 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 00:17:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2022-02-01 00:17:48,438 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 22 [2022-02-01 00:17:48,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:17:48,439 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2022-02-01 00:17:48,439 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 00:17:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2022-02-01 00:17:48,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-01 00:17:48,440 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:48,440 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 00:17:48,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:17:48,441 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1862275340, now seen corresponding path program 1 times [2022-02-01 00:17:48,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:48,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436167103] [2022-02-01 00:17:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:48,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:48,445 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:48,494 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:17:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:48,607 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:17:48,607 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:17:48,611 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:17:48,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:17:48,616 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:17:48,618 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:17:48,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:17:48 BoogieIcfgContainer [2022-02-01 00:17:48,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:17:48,644 INFO L158 Benchmark]: Toolchain (without parser) took 3911.70ms. Allocated memory was 199.2MB in the beginning and 248.5MB in the end (delta: 49.3MB). Free memory was 145.7MB in the beginning and 123.3MB in the end (delta: 22.3MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB. [2022-02-01 00:17:48,644 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:17:48,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.83ms. Allocated memory was 199.2MB in the beginning and 248.5MB in the end (delta: 49.3MB). Free memory was 145.5MB in the beginning and 208.7MB in the end (delta: -63.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-02-01 00:17:48,647 INFO L158 Benchmark]: Boogie Preprocessor took 138.30ms. Allocated memory is still 248.5MB. Free memory was 208.7MB in the beginning and 202.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:48,650 INFO L158 Benchmark]: RCFGBuilder took 892.83ms. Allocated memory is still 248.5MB. Free memory was 201.9MB in the beginning and 144.2MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2022-02-01 00:17:48,650 INFO L158 Benchmark]: TraceAbstraction took 2361.05ms. Allocated memory is still 248.5MB. Free memory was 143.7MB in the beginning and 123.3MB in the end (delta: 20.4MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2022-02-01 00:17:48,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 512.83ms. Allocated memory was 199.2MB in the beginning and 248.5MB in the end (delta: 49.3MB). Free memory was 145.5MB in the beginning and 208.7MB in the end (delta: -63.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 138.30ms. Allocated memory is still 248.5MB. Free memory was 208.7MB in the beginning and 202.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 892.83ms. Allocated memory is still 248.5MB. Free memory was 201.9MB in the beginning and 144.2MB in the end (delta: 57.7MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2361.05ms. Allocated memory is still 248.5MB. Free memory was 143.7MB in the beginning and 123.3MB in the end (delta: 20.4MB). Peak memory consumption was 20.9MB. 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: 642]: 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 530, overapproximation of someBinaryArithmeticDOUBLEoperation at line 614, overapproximation of bitwiseAnd at line 610, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L18] static const double huge_floor = 1.0e300; [L107-L109] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L178] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L180-L185] 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, }; [L187-L189] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] 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, }; [L377-L384] 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, }; [L386-L395] 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; [L528-L534] 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; [L572-L578] 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; [L637] double x = -1.0 / 0.0; [L638] CALL, EXPR sin_double(x) [L603] double y[2], z = 0.0; [L604] __int32_t n, ix; [L606] ieee_double_shape_type gh_u; [L607] gh_u.value = (x) [L608] EXPR gh_u.parts.msw [L608] (ix) = gh_u.parts.msw [L610] ix &= 0x7fffffff [L611] COND FALSE !(ix <= 0x3fe921fb) [L613] COND TRUE ix >= 0x7ff00000 [L614] return x - x; [L614] return x - x; [L638] RET, EXPR sin_double(x) [L638] double res = sin_double(x); [L641] CALL, EXPR isnan_double(res) [L84] return x != x; [L641] RET, EXPR isnan_double(res) [L641] COND TRUE !isnan_double(res) [L642] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 288 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, 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 00:17:48,689 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...