/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_0320a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:19:38,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:19:38,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:19:38,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-01 00:19:38,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-01 00:19:38,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-01 00:19:38,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-01 00:19:38,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-01 00:19:38,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-01 00:19:38,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-01 00:19:38,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-01 00:19:38,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-01 00:19:38,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-01 00:19:38,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-01 00:19:38,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-01 00:19:38,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-01 00:19:38,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-01 00:19:38,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-01 00:19:38,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-01 00:19:38,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-01 00:19:38,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-01 00:19:38,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-01 00:19:38,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-01 00:19:38,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-01 00:19:38,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-01 00:19:38,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:19:38,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:19:38,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:19:38,194 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 00:19:38,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:19:38,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:19:38,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:19:38,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:19:38,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:19:38,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:19:38,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:19:38,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:19:38,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:19:38,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:38,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:19:38,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:19:38,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:19:38,208 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:19:38,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:19:38,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:19:38,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:19:38,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:19:38,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:19:38,413 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:19:38,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c [2022-02-01 00:19:38,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f7b462f/2bcd8a18744a45f8b7f115c9f96fbb32/FLAG2026e8525 [2022-02-01 00:19:38,876 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:19:38,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0320a.c [2022-02-01 00:19:38,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f7b462f/2bcd8a18744a45f8b7f115c9f96fbb32/FLAG2026e8525 [2022-02-01 00:19:38,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f7b462f/2bcd8a18744a45f8b7f115c9f96fbb32 [2022-02-01 00:19:38,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:19:38,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:19:38,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:38,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:19:38,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:19:38,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:38" (1/1) ... [2022-02-01 00:19:38,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537ef509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:38, skipping insertion in model container [2022-02-01 00:19:38,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:19:38" (1/1) ... [2022-02-01 00:19:38,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:19:38,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:19:39,329 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_0320a.c[15470,15483] [2022-02-01 00:19:39,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:39,369 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:19:39,460 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_0320a.c[15470,15483] [2022-02-01 00:19:39,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:19:39,494 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:19:39,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39 WrapperNode [2022-02-01 00:19:39,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:19:39,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:19:39,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:19:39,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:19:39,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:19:39,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:19:39,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:19:39,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:19:39,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (1/1) ... [2022-02-01 00:19:39,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:19:39,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:19:39,638 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 00:19:39,645 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 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2022-02-01 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2022-02-01 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-01 00:19:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2022-02-01 00:19:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:19:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:19:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:19:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:19:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:19:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2022-02-01 00:19:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2022-02-01 00:19:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:19:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:19:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:19:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2022-02-01 00:19:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:19:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:19:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:19:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:19:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:19:39,810 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:19:39,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:19:40,361 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:19:40,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:19:40,367 INFO L299 CfgBuilder]: Removed 59 assume(true) statements. [2022-02-01 00:19:40,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:40 BoogieIcfgContainer [2022-02-01 00:19:40,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:19:40,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:19:40,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:19:40,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:19:40,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:19:38" (1/3) ... [2022-02-01 00:19:40,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12100c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:40, skipping insertion in model container [2022-02-01 00:19:40,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:19:39" (2/3) ... [2022-02-01 00:19:40,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12100c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:19:40, skipping insertion in model container [2022-02-01 00:19:40,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:19:40" (3/3) ... [2022-02-01 00:19:40,373 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320a.c [2022-02-01 00:19:40,376 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:19:40,377 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:19:40,403 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:19:40,407 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 00:19:40,408 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:19:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 237 states have internal predecessors, (386), 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 00:19:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-01 00:19:40,425 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:40,425 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:19:40,426 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:40,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:40,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1776565199, now seen corresponding path program 1 times [2022-02-01 00:19:40,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:40,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240749677] [2022-02-01 00:19:40,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:40,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:40,475 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:19:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:19:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:19:40,879 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 00:19:40,880 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:19:40,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240749677] [2022-02-01 00:19:40,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [240749677] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:19:40,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:19:40,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:19:40,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217111159] [2022-02-01 00:19:40,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:19:40,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:19:40,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:19:40,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:19:40,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:19:40,914 INFO L87 Difference]: Start difference. First operand has 268 states, 236 states have (on average 1.6355932203389831) internal successors, (386), 237 states have internal predecessors, (386), 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 3.0) internal successors, (12), 2 states have internal predecessors, (12), 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 00:19:41,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:19:41,897 INFO L93 Difference]: Finished difference Result 528 states and 856 transitions. [2022-02-01 00:19:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:19:41,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 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 17 [2022-02-01 00:19:41,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:19:41,906 INFO L225 Difference]: With dead ends: 528 [2022-02-01 00:19:41,906 INFO L226 Difference]: Without dead ends: 264 [2022-02-01 00:19:41,910 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 00:19:41,912 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 322 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-01 00:19:41,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 336 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-01 00:19:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-02-01 00:19:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2022-02-01 00:19:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 234 states have (on average 1.3803418803418803) internal successors, (323), 234 states have internal predecessors, (323), 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 00:19:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 360 transitions. [2022-02-01 00:19:41,989 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 360 transitions. Word has length 17 [2022-02-01 00:19:41,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:19:41,989 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 360 transitions. [2022-02-01 00:19:41,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 2 states have internal predecessors, (12), 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 00:19:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 360 transitions. [2022-02-01 00:19:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-01 00:19:41,990 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:19:41,990 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 00:19:41,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:19:41,990 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:19:41,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:19:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 762187852, now seen corresponding path program 1 times [2022-02-01 00:19:41,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:19:41,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392379589] [2022-02-01 00:19:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:19:41,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:19:41,993 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:19:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:42,038 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:19:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:19:42,103 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:19:42,103 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:19:42,105 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:19:42,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:19:42,108 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-01 00:19:42,109 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:19:42,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:19:42 BoogieIcfgContainer [2022-02-01 00:19:42,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:19:42,122 INFO L158 Benchmark]: Toolchain (without parser) took 3227.96ms. Allocated memory was 164.6MB in the beginning and 198.2MB in the end (delta: 33.6MB). Free memory was 107.3MB in the beginning and 122.1MB in the end (delta: -14.8MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. [2022-02-01 00:19:42,122 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:19:42,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.77ms. Allocated memory was 164.6MB in the beginning and 198.2MB in the end (delta: 33.6MB). Free memory was 107.2MB in the beginning and 155.9MB in the end (delta: -48.7MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2022-02-01 00:19:42,123 INFO L158 Benchmark]: Boogie Preprocessor took 112.66ms. Allocated memory is still 198.2MB. Free memory was 155.4MB in the beginning and 149.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-01 00:19:42,123 INFO L158 Benchmark]: RCFGBuilder took 759.62ms. Allocated memory is still 198.2MB. Free memory was 148.6MB in the beginning and 86.2MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-02-01 00:19:42,123 INFO L158 Benchmark]: TraceAbstraction took 1751.84ms. Allocated memory is still 198.2MB. Free memory was 85.7MB in the beginning and 122.1MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:19:42,124 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 164.6MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 599.77ms. Allocated memory was 164.6MB in the beginning and 198.2MB in the end (delta: 33.6MB). Free memory was 107.2MB in the beginning and 155.9MB in the end (delta: -48.7MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 112.66ms. Allocated memory is still 198.2MB. Free memory was 155.4MB in the beginning and 149.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 759.62ms. Allocated memory is still 198.2MB. Free memory was 148.6MB in the beginning and 86.2MB in the end (delta: 62.4MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1751.84ms. Allocated memory is still 198.2MB. Free memory was 85.7MB in the beginning and 122.1MB in the end (delta: -36.5MB). 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: 613]: 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 612, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] 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, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] 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, }; [L363-L369] 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}; [L371-L380] 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; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; [L608] float x = 0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff [L580] COND FALSE !(ix <= 0x3f490fd8) [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] COND TRUE res != 1.0f [L613] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 274 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 338 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 336 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 369 IncrementalHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 334 mSDtfsCounter, 369 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=268occurred 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 00:19:42,166 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...