/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_0320.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:17:51,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:17:51,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:17:51,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:17:51,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:17:51,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:17:51,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:17:51,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:17:51,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:17:51,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:17:51,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:17:51,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:17:51,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:17:51,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:17:51,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:17:51,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:17:51,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:17:51,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:17:51,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:17:51,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:17:51,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:17:51,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:17:51,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:17:51,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:17:51,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:17:52,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:17:52,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:17:52,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:17:52,008 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 00:17:52,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:17:52,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:17:52,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:17:52,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:17:52,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:17:52,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:17:52,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:17:52,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:17:52,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:17:52,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:52,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:17:52,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:17:52,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:17:52,017 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:17:52,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:17:52,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:17:52,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:17:52,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:17:52,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:17:52,216 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:17:52,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2022-02-01 00:17:52,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7726187c7/794c47c754024e498ee2fabfeacaca08/FLAG7b6edb32a [2022-02-01 00:17:52,631 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:17:52,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2022-02-01 00:17:52,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7726187c7/794c47c754024e498ee2fabfeacaca08/FLAG7b6edb32a [2022-02-01 00:17:53,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7726187c7/794c47c754024e498ee2fabfeacaca08 [2022-02-01 00:17:53,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:17:53,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:17:53,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:53,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:17:53,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:17:53,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee50235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53, skipping insertion in model container [2022-02-01 00:17:53,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:17:53" (1/1) ... [2022-02-01 00:17:53,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:17:53,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:17:53,344 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_0320.c[16343,16356] [2022-02-01 00:17:53,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:53,374 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:17:53,472 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_0320.c[16343,16356] [2022-02-01 00:17:53,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:17:53,493 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:17:53,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:17:53 WrapperNode [2022-02-01 00:17:53,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:17:53,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:17:53,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:17:53,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:17:53,503 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 00:17:53,504 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 00:17:53,532 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 00:17:53,533 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 00:17:53,584 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 00:17:53,593 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 00:17:53,597 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 00:17:53,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:17:53,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:17:53,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:17:53,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:17:53,611 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 00:17:53,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:17:53,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:17:53,697 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 00:17:53,702 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 00:17:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:17:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:17:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:17:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2022-02-01 00:17:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-02-01 00:17:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-02-01 00:17:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:17:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2022-02-01 00:17:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2022-02-01 00:17:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2022-02-01 00:17:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2022-02-01 00:17:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2022-02-01 00:17:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:17:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:17:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:17:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:17:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:17:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-02-01 00:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2022-02-01 00:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:17:53,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:17:53,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:17:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:17:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:17:53,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:17:53,873 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:17:53,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:17:54,454 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:17:54,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:17:54,466 INFO L299 CfgBuilder]: Removed 63 assume(true) statements. [2022-02-01 00:17:54,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:17:54 BoogieIcfgContainer [2022-02-01 00:17:54,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:17:54,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:17:54,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:17:54,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:17:54,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:17:53" (1/3) ... [2022-02-01 00:17:54,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7577ef35 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 00:17:54,475 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 00:17:54,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7577ef35 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 00:17:54,475 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 00:17:54,476 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2022-02-01 00:17:54,479 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:17:54,480 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:17:54,510 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:17:54,514 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 00:17:54,514 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:17:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 282 states, 250 states have (on average 1.644) internal successors, (411), 251 states have internal predecessors, (411), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-02-01 00:17:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-01 00:17:54,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:54,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:17:54,539 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:54,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:54,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1907411123, now seen corresponding path program 1 times [2022-02-01 00:17:54,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:54,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759228442] [2022-02-01 00:17:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:54,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:54,589 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:17:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-01 00:17:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:17:55,009 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 00:17:55,010 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:17:55,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759228442] [2022-02-01 00:17:55,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1759228442] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:17:55,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:17:55,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:17:55,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38976255] [2022-02-01 00:17:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:17:55,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:17:55,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:17:55,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:17:55,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:17:55,042 INFO L87 Difference]: Start difference. First operand has 282 states, 250 states have (on average 1.644) internal successors, (411), 251 states have internal predecessors, (411), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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) [2022-02-01 00:17:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:17:56,140 INFO L93 Difference]: Finished difference Result 558 states and 907 transitions. [2022-02-01 00:17:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:17:56,142 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 [2022-02-01 00:17:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:17:56,149 INFO L225 Difference]: With dead ends: 558 [2022-02-01 00:17:56,149 INFO L226 Difference]: Without dead ends: 277 [2022-02-01 00:17:56,153 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 [2022-02-01 00:17:56,155 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 349 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:17:56,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 357 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-01 00:17:56,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-02-01 00:17:56,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2022-02-01 00:17:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 247 states have (on average 1.3846153846153846) internal successors, (342), 247 states have internal predecessors, (342), 19 states have call successors, (19), 11 states have call predecessors, (19), 10 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-02-01 00:17:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 379 transitions. [2022-02-01 00:17:56,249 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 379 transitions. Word has length 18 [2022-02-01 00:17:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:17:56,249 INFO L470 AbstractCegarLoop]: Abstraction has 277 states and 379 transitions. [2022-02-01 00:17:56,249 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) [2022-02-01 00:17:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 379 transitions. [2022-02-01 00:17:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-01 00:17:56,250 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:17:56,250 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:17:56,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:17:56,250 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:17:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:17:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash -645312058, now seen corresponding path program 1 times [2022-02-01 00:17:56,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:17:56,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310133016] [2022-02-01 00:17:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:17:56,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:17:56,253 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:17:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:56,313 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:17:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:17:56,361 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:17:56,361 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:17:56,363 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:17:56,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:17:56,367 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:17:56,368 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:17:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:17:56 BoogieIcfgContainer [2022-02-01 00:17:56,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:17:56,380 INFO L158 Benchmark]: Toolchain (without parser) took 3361.52ms. Allocated memory was 189.8MB in the beginning and 270.5MB in the end (delta: 80.7MB). Free memory was 140.1MB in the beginning and 127.0MB in the end (delta: 13.1MB). Peak memory consumption was 94.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,381 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:17:56,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.02ms. Allocated memory is still 189.8MB. Free memory was 140.0MB in the beginning and 152.4MB in the end (delta: -12.4MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,381 INFO L158 Benchmark]: Boogie Preprocessor took 107.22ms. Allocated memory is still 189.8MB. Free memory was 152.4MB in the beginning and 146.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,382 INFO L158 Benchmark]: RCFGBuilder took 865.73ms. Allocated memory is still 189.8MB. Free memory was 146.1MB in the beginning and 89.5MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,382 INFO L158 Benchmark]: TraceAbstraction took 1909.28ms. Allocated memory was 189.8MB in the beginning and 270.5MB in the end (delta: 80.7MB). Free memory was 89.0MB in the beginning and 127.0MB in the end (delta: -38.0MB). Peak memory consumption was 42.2MB. Max. memory is 8.0GB. [2022-02-01 00:17:56,383 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 189.8MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 473.02ms. Allocated memory is still 189.8MB. Free memory was 140.0MB in the beginning and 152.4MB in the end (delta: -12.4MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 107.22ms. Allocated memory is still 189.8MB. Free memory was 152.4MB in the beginning and 146.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 865.73ms. Allocated memory is still 189.8MB. Free memory was 146.1MB in the beginning and 89.5MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1909.28ms. Allocated memory was 189.8MB in the beginning and 270.5MB in the end (delta: 80.7MB). Free memory was 89.0MB in the beginning and 127.0MB in the end (delta: -38.0MB). Peak memory consumption was 42.2MB. 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: 648]: 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 bitwiseAnd at line 611, overapproximation of someBinaryArithmeticDOUBLEoperation at line 616, overapproximation of someBinaryDOUBLEComparisonOperation at line 647. Possible FailurePath: [L23] static const double huge_floor = 1.0e300; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L180] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L182-L187] 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, }; [L189-L191] 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; [L640] double x = __VERIFIER_nondet_double(); [L642] COND TRUE x == 0.0 || x == -0.0 [L644] CALL, EXPR cos_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 [L611] ix &= 0x7fffffff [L612] COND FALSE !(ix <= 0x3fe921fb) [L615] COND TRUE ix >= 0x7ff00000 [L616] return x - x; [L616] return x - x; [L644] RET, EXPR cos_double(x) [L644] double res = cos_double(x); [L647] COND TRUE res != 1.0 [L648] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 285 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 388 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 355 mSDtfsCounter, 388 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=282occurred 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 00:17:56,421 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...