/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_0682a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-02-01 00:18:24,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-01 00:18:24,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-01 00:18:24,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-01 00:18:24,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-01 00:18:24,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-01 00:18:24,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-01 00:18:24,662 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 00:18:24,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-01 00:18:24,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-01 00:18:24,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-01 00:18:24,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-01 00:18:24,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:18:24,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-01 00:18:24,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-01 00:18:24,678 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-01 00:18:24,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-01 00:18:24,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-01 00:18:24,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-01 00:18:24,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-01 00:18:24,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-01 00:18:24,865 INFO L275 PluginConnector]: CDTParser initialized [2022-02-01 00:18:24,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0682a.c [2022-02-01 00:18:24,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1035e024a/2e3599e11af441739691a74583afc780/FLAG40499cfa5 [2022-02-01 00:18:25,296 INFO L306 CDTParser]: Found 1 translation units. [2022-02-01 00:18:25,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0682a.c [2022-02-01 00:18:25,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1035e024a/2e3599e11af441739691a74583afc780/FLAG40499cfa5 [2022-02-01 00:18:25,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1035e024a/2e3599e11af441739691a74583afc780 [2022-02-01 00:18:25,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-01 00:18:25,314 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-01 00:18:25,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-01 00:18:25,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-01 00:18:25,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-01 00:18:25,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de6badc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25, skipping insertion in model container [2022-02-01 00:18:25,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-01 00:18:25,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-01 00:18:25,484 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_0682a.c[6875,6888] [2022-02-01 00:18:25,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:18:25,491 INFO L203 MainTranslator]: Completed pre-run [2022-02-01 00:18:25,523 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_0682a.c[6875,6888] [2022-02-01 00:18:25,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-01 00:18:25,539 INFO L208 MainTranslator]: Completed translation [2022-02-01 00:18:25,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25 WrapperNode [2022-02-01 00:18:25,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-01 00:18:25,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-01 00:18:25,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-01 00:18:25,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-01 00:18:25,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-01 00:18:25,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-01 00:18:25,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-01 00:18:25,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-01 00:18:25,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (1/1) ... [2022-02-01 00:18:25,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-01 00:18:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-01 00:18:25,619 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 00:18:25,620 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 00:18:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-01 00:18:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2022-02-01 00:18:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-01 00:18:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-01 00:18:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-01 00:18:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-01 00:18:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-02-01 00:18:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-02-01 00:18:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-01 00:18:25,747 INFO L234 CfgBuilder]: Building ICFG [2022-02-01 00:18:25,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-01 00:18:26,057 INFO L275 CfgBuilder]: Performing block encoding [2022-02-01 00:18:26,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-01 00:18:26,063 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-02-01 00:18:26,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:18:26 BoogieIcfgContainer [2022-02-01 00:18:26,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-01 00:18:26,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-01 00:18:26,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-01 00:18:26,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-01 00:18:26,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.02 12:18:25" (1/3) ... [2022-02-01 00:18:26,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d73c802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:18:26, skipping insertion in model container [2022-02-01 00:18:26,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.02 12:18:25" (2/3) ... [2022-02-01 00:18:26,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d73c802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.02 12:18:26, skipping insertion in model container [2022-02-01 00:18:26,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.02 12:18:26" (3/3) ... [2022-02-01 00:18:26,077 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0682a.c [2022-02-01 00:18:26,081 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-01 00:18:26,081 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-01 00:18:26,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-01 00:18:26,121 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 00:18:26,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-01 00:18:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 102 states have (on average 1.607843137254902) internal successors, (164), 103 states have internal predecessors, (164), 9 states have call successors, (9), 7 states have call predecessors, (9), 7 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-02-01 00:18:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-01 00:18:26,149 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:26,150 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:18:26,150 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:26,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash -51597640, now seen corresponding path program 1 times [2022-02-01 00:18:26,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:26,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405525769] [2022-02-01 00:18:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:26,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:26,215 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:18:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:18:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-01 00:18:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:26,460 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 00:18:26,461 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:18:26,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405525769] [2022-02-01 00:18:26,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1405525769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:18:26,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:18:26,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-01 00:18:26,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305789236] [2022-02-01 00:18:26,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:18:26,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-01 00:18:26,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:18:26,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-01 00:18:26,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-01 00:18:26,485 INFO L87 Difference]: Start difference. First operand has 120 states, 102 states have (on average 1.607843137254902) internal successors, (164), 103 states have internal predecessors, (164), 9 states have call successors, (9), 7 states have call predecessors, (9), 7 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-01 00:18:26,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:18:26,874 INFO L93 Difference]: Finished difference Result 232 states and 362 transitions. [2022-02-01 00:18:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-01 00:18:26,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2022-02-01 00:18:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:18:26,886 INFO L225 Difference]: With dead ends: 232 [2022-02-01 00:18:26,887 INFO L226 Difference]: Without dead ends: 115 [2022-02-01 00:18:26,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:18:26,896 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 142 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:18:26,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 149 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-01 00:18:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-02-01 00:18:26,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-02-01 00:18:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.393939393939394) internal successors, (138), 99 states have internal predecessors, (138), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-01 00:18:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2022-02-01 00:18:26,957 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 27 [2022-02-01 00:18:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:18:26,957 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2022-02-01 00:18:26,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-01 00:18:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2022-02-01 00:18:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-01 00:18:26,959 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:26,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:18:26,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-01 00:18:26,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1099696461, now seen corresponding path program 1 times [2022-02-01 00:18:26,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:26,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142578341] [2022-02-01 00:18:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:26,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:26,964 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-01 00:18:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-01 00:18:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-01 00:18:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-01 00:18:27,143 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 00:18:27,143 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-01 00:18:27,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142578341] [2022-02-01 00:18:27,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [2142578341] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-01 00:18:27,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-01 00:18:27,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-01 00:18:27,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776056142] [2022-02-01 00:18:27,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-01 00:18:27,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-01 00:18:27,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-01 00:18:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-01 00:18:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-01 00:18:27,145 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-01 00:18:27,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-01 00:18:27,504 INFO L93 Difference]: Finished difference Result 207 states and 286 transitions. [2022-02-01 00:18:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-01 00:18:27,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-02-01 00:18:27,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-01 00:18:27,506 INFO L225 Difference]: With dead ends: 207 [2022-02-01 00:18:27,506 INFO L226 Difference]: Without dead ends: 115 [2022-02-01 00:18:27,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-01 00:18:27,508 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-01 00:18:27,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 143 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-01 00:18:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-02-01 00:18:27,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-02-01 00:18:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 99 states have internal predecessors, (137), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-01 00:18:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2022-02-01 00:18:27,537 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 30 [2022-02-01 00:18:27,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-01 00:18:27,537 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2022-02-01 00:18:27,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-01 00:18:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2022-02-01 00:18:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-01 00:18:27,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-01 00:18:27,539 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-01 00:18:27,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-01 00:18:27,539 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-01 00:18:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-01 00:18:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1334421864, now seen corresponding path program 1 times [2022-02-01 00:18:27,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-01 00:18:27,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947447996] [2022-02-01 00:18:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-01 00:18:27,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-01 00:18:27,543 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-01 00:18:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:27,663 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-01 00:18:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-01 00:18:27,780 INFO L133 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2022-02-01 00:18:27,780 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-01 00:18:27,784 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-01 00:18:27,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-01 00:18:27,788 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-01 00:18:27,790 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-01 00:18:27,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.02 12:18:27 BoogieIcfgContainer [2022-02-01 00:18:27,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-01 00:18:27,803 INFO L158 Benchmark]: Toolchain (without parser) took 2488.92ms. Allocated memory was 192.9MB in the beginning and 248.5MB in the end (delta: 55.6MB). Free memory was 140.3MB in the beginning and 187.4MB in the end (delta: -47.1MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-02-01 00:18:27,803 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-01 00:18:27,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.13ms. Allocated memory was 192.9MB in the beginning and 248.5MB in the end (delta: 55.6MB). Free memory was 140.2MB in the beginning and 217.3MB in the end (delta: -77.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-02-01 00:18:27,804 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 248.5MB. Free memory was 217.3MB in the beginning and 214.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-01 00:18:27,804 INFO L158 Benchmark]: RCFGBuilder took 473.93ms. Allocated memory is still 248.5MB. Free memory was 214.1MB in the beginning and 189.5MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-02-01 00:18:27,804 INFO L158 Benchmark]: TraceAbstraction took 1736.31ms. Allocated memory is still 248.5MB. Free memory was 189.0MB in the beginning and 187.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.6MB. Max. memory is 8.0GB. [2022-02-01 00:18:27,805 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 192.9MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.13ms. Allocated memory was 192.9MB in the beginning and 248.5MB in the end (delta: 55.6MB). Free memory was 140.2MB in the beginning and 217.3MB in the end (delta: -77.1MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.17ms. Allocated memory is still 248.5MB. Free memory was 217.3MB in the beginning and 214.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 473.93ms. Allocated memory is still 248.5MB. Free memory was 214.1MB in the beginning and 189.5MB in the end (delta: 24.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1736.31ms. Allocated memory is still 248.5MB. Free memory was 189.0MB in the beginning and 187.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.6MB. 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: 287]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 286. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L278] double x = -1.0 / 0.0; [L279] double y = __VERIFIER_nondet_double(); [L281] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L281] RET, EXPR isinf_double(x) [L281] EXPR isinf_double(x) && isfinite_double(y) [L281] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L281] RET, EXPR isfinite_double(y) [L281] EXPR isinf_double(x) && isfinite_double(y) [L281] COND TRUE isinf_double(x) && isfinite_double(y) && y < 0.0 [L283] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; [L283] RET, EXPR __ieee754_atan2(y, x) [L283] double res = __ieee754_atan2(y, x); [L286] COND TRUE res != -pi [L287] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 292 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 288 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 2 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 00:18:27,837 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...