/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/float_req_bl_0530b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:19:47,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:19:47,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:19:47,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:19:47,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:19:47,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:19:47,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:19:47,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:19:47,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:19:47,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:19:47,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:19:47,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:19:47,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:19:47,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:19:47,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:19:47,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:19:47,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:19:47,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:19:47,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:19:47,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:19:47,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:19:47,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:19:47,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:19:47,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:19:47,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:19:47,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:19:47,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:19:47,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:19:47,169 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 00:19:47,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:19:47,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:19:47,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:19:47,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:19:47,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:19:47,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:19:47,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:19:47,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:19:47,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:19:47,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:19:47,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:19:47,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:19:47,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:19:47,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:19:47,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:19:47,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:47,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:19:47,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:19:47,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:19:47,188 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:19:47,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:19:47,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:19:47,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:19:47,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:19:47,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:19:47,467 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:19:47,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0530b.c [2022-02-01 00:19:47,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1db3527/36de93d6c702464fba3e678ac24d5f6c/FLAG6b4e642dd [2022-02-01 00:19:47,966 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:19:47,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0530b.c [2022-02-01 00:19:47,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1db3527/36de93d6c702464fba3e678ac24d5f6c/FLAG6b4e642dd [2022-02-01 00:19:48,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1db3527/36de93d6c702464fba3e678ac24d5f6c [2022-02-01 00:19:48,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:19:48,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:19:48,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:48,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:19:48,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:19:48,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc89c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48, skipping insertion in model container [2022-02-01 00:19:48,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:19:48,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:19:48,688 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/float_req_bl_0530b.c[15592,15605] [2022-02-01 00:19:48,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:48,717 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:19:48,783 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/float_req_bl_0530b.c[15592,15605] [2022-02-01 00:19:48,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:48,811 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:19:48,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48 WrapperNode [2022-02-01 00:19:48,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:48,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:19:48,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:19:48,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:19:48,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:19:48,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:19:48,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:19:48,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:19:48,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (1/1) ... [2022-02-01 00:19:48,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:19:48,992 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 00:19:49,016 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 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-02-01 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-01 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-02-01 00:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-02-01 00:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-02-01 00:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-02-01 00:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2022-02-01 00:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2022-02-01 00:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2022-02-01 00:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:19:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-02-01 00:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-02-01 00:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:19:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:19:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:19:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:19:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:19:49,256 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:19:49,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:19:50,064 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:19:50,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:19:50,073 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2022-02-01 00:19:50,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:50 BoogieIcfgContainer [2022-02-01 00:19:50,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:19:50,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:19:50,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:19:50,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:19:50,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:19:48" (1/3) ... [2022-02-01 00:19:50,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b150707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:50, skipping insertion in model container [2022-02-01 00:19:50,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:48" (2/3) ... [2022-02-01 00:19:50,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b150707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:50, skipping insertion in model container [2022-02-01 00:19:50,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:50" (3/3) ... [2022-02-01 00:19:50,089 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0530b.c [2022-02-01 00:19:50,092 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:19:50,092 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:19:50,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:19:50,136 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 00:19:50,137 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:19:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 271 states, 240 states have (on average 1.6416666666666666) internal successors, (394), 241 states have internal predecessors, (394), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-02-01 00:19:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-01 00:19:50,193 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:50,194 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 00:19:50,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:50,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:50,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1817483141, now seen corresponding path program 1 times [2022-02-01 00:19:50,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:50,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782858274] [2022-02-01 00:19:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:50,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:50,263 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:19:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:19:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:50,720 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 00:19:50,722 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:19:50,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782858274] [2022-02-01 00:19:50,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1782858274] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:19:50,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:19:50,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:19:50,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424244045] [2022-02-01 00:19:50,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:19:50,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:19:50,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:19:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:19:50,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:19:50,764 INFO L87 Difference]: Start difference. First operand has 271 states, 240 states have (on average 1.6416666666666666) internal successors, (394), 241 states have internal predecessors, (394), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 3.25) 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 00:19:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:19:51,938 INFO L93 Difference]: Finished difference Result 534 states and 867 transitions. [2022-02-01 00:19:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:19:51,940 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 00:19:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:19:51,950 INFO L225 Difference]: With dead ends: 534 [2022-02-01 00:19:51,950 INFO L226 Difference]: Without dead ends: 267 [2022-02-01 00:19:51,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:19:51,958 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 324 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-01 00:19:51,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 338 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-01 00:19:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-02-01 00:19:52,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2022-02-01 00:19:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 238 states have (on average 1.365546218487395) internal successors, (325), 238 states have internal predecessors, (325), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-02-01 00:19:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 360 transitions. [2022-02-01 00:19:52,108 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 360 transitions. Word has length 18 [2022-02-01 00:19:52,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:19:52,108 INFO L470 AbstractCegarLoop]: Abstraction has 267 states and 360 transitions. [2022-02-01 00:19:52,109 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 00:19:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 360 transitions. [2022-02-01 00:19:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-01 00:19:52,110 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:52,110 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 00:19:52,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:19:52,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash 310247308, now seen corresponding path program 1 times [2022-02-01 00:19:52,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:52,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785355669] [2022-02-01 00:19:52,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:52,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:52,121 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:52,191 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:19:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:52,266 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:19:52,266 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:19:52,269 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:19:52,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:19:52,273 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:19:52,274 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:19:52,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:19:52 BoogieIcfgContainer [2022-02-01 00:19:52,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:19:52,290 INFO L158 Benchmark]: Toolchain (without parser) took 3967.02ms. Allocated memory was 173.0MB in the beginning and 218.1MB in the end (delta: 45.1MB). Free memory was 123.3MB in the beginning and 157.1MB in the end (delta: -33.8MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-02-01 00:19:52,290 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 173.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:19:52,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.58ms. Allocated memory is still 173.0MB. Free memory was 123.2MB in the beginning and 133.4MB in the end (delta: -10.2MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-01 00:19:52,291 INFO L158 Benchmark]: Boogie Preprocessor took 137.32ms. Allocated memory is still 173.0MB. Free memory was 133.4MB in the beginning and 126.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-01 00:19:52,292 INFO L158 Benchmark]: RCFGBuilder took 1124.78ms. Allocated memory is still 173.0MB. Free memory was 126.0MB in the beginning and 62.6MB in the end (delta: 63.5MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2022-02-01 00:19:52,292 INFO L158 Benchmark]: TraceAbstraction took 2212.43ms. Allocated memory was 173.0MB in the beginning and 218.1MB in the end (delta: 45.1MB). Free memory was 62.1MB in the beginning and 157.1MB in the end (delta: -95.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:19:52,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 173.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.58ms. Allocated memory is still 173.0MB. Free memory was 123.2MB in the beginning and 133.4MB in the end (delta: -10.2MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 137.32ms. Allocated memory is still 173.0MB. Free memory was 133.4MB in the beginning and 126.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1124.78ms. Allocated memory is still 173.0MB. Free memory was 126.0MB in the beginning and 62.6MB in the end (delta: 63.5MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2212.43ms. Allocated memory was 173.0MB in the beginning and 218.1MB in the end (delta: 45.1MB). Free memory was 62.1MB in the beginning and 157.1MB in the end (delta: -95.0MB). 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: 629]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 497, overapproximation of bitwiseAnd at line 591, overapproximation of someUnaryFLOAToperation at line 624, overapproximation of someBinaryArithmeticFLOAToperation at line 596. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L79-L81] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L149] static const int init_jk_krempio[] = {4, 7, 9}; [L151-L155] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L157-L159] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L334-L352] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L354-L360] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L362-L371] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L491-L499] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L624] float x = -0.0f; [L625] CALL, EXPR tan_float(x) [L582] float y[2], z = 0.0; [L583] __int32_t n, ix; [L586] ieee_float_shape_type gf_u; [L587] gf_u.value = (x) [L588] EXPR gf_u.word [L588] (ix) = gf_u.word [L591] ix &= 0x7fffffff [L592] COND FALSE !(ix <= 0x3f490fda) [L595] COND TRUE !((ix) < 0x7f800000L) [L596] return x - x; [L596] return x - x; [L625] RET, EXPR tan_float(x) [L625] float res = tan_float(x); [L628] EXPR res == -0.0f && __signbit_float(res) == 1 [L628] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L629] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 274 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 324 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368 IncrementalHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 336 mSDtfsCounter, 368 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271occurred 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 00:19:52,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...