./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cos_polynomial.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:37,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:37,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:37,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:37,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:37,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:37,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:37,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:37,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:37,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:37,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:37,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:37,665 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:37,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:37,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:37,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:37,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:37,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:37,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:37,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:37,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:37,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:37,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:37,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:37,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:37,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:37,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:37,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:37,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:37,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:37,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:37,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:37,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:37,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:37,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:37,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:37,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:37,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:37,681 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:37,681 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2023-11-06 21:59:38,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:38,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:38,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:38,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:38,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:38,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-06 21:59:41,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:41,520 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:41,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-06 21:59:41,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data/d29af5fdf/e860e50ac1c44c8581dd2fac380ef96f/FLAG9193f64f0 [2023-11-06 21:59:41,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data/d29af5fdf/e860e50ac1c44c8581dd2fac380ef96f [2023-11-06 21:59:41,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:41,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:41,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:41,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:41,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:41,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5e2b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41, skipping insertion in model container [2023-11-06 21:59:41,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:41,867 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-06 21:59:41,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:41,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:41,923 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-06 21:59:41,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:41,948 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:41,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41 WrapperNode [2023-11-06 21:59:41,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:41,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:41,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:41,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:41,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:41,987 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-06 21:59:41,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:41,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:41,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:41,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:42,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,010 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:42,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:42,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:42,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:42,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (1/1) ... [2023-11-06 21:59:42,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:42,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:42,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:42,156 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:42,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:42,296 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:42,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:42,302 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:59:42,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:42 BoogieIcfgContainer [2023-11-06 21:59:42,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:42,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:42,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:42,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:42,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:41" (1/3) ... [2023-11-06 21:59:42,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73605664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:42, skipping insertion in model container [2023-11-06 21:59:42,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:41" (2/3) ... [2023-11-06 21:59:42,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73605664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:42, skipping insertion in model container [2023-11-06 21:59:42,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:42" (3/3) ... [2023-11-06 21:59:42,315 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2023-11-06 21:59:42,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:42,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:42,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:42,416 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@710c4ba5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:42,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 21:59:42,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:42,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:42,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:42,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:42,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2023-11-06 21:59:42,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:42,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932626495] [2023-11-06 21:59:42,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:59:42,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:42,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932626495] [2023-11-06 21:59:42,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932626495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:42,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:42,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:42,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501098620] [2023-11-06 21:59:42,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:42,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:42,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:42,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:42,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:42,767 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:42,787 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2023-11-06 21:59:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:42,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-06 21:59:42,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:42,797 INFO L225 Difference]: With dead ends: 31 [2023-11-06 21:59:42,797 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 21:59:42,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:42,804 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:42,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:42,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 21:59:42,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-06 21:59:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-06 21:59:42,834 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2023-11-06 21:59:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:42,835 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-06 21:59:42,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-06 21:59:42,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 21:59:42,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:42,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:42,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:59:42,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:42,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2023-11-06 21:59:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:42,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862020773] [2023-11-06 21:59:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:42,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:42,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:59:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:42,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:59:42,903 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:59:42,905 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:59:42,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:59:42,911 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 21:59:42,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:59:42,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:42 BoogieIcfgContainer [2023-11-06 21:59:42,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:59:42,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:59:42,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:59:42,945 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:59:42,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:42" (3/4) ... [2023-11-06 21:59:42,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:59:42,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:59:42,951 INFO L158 Benchmark]: Toolchain (without parser) took 1397.29ms. Allocated memory is still 140.5MB. Free memory was 95.4MB in the beginning and 67.4MB in the end (delta: 28.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-06 21:59:42,952 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:42,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.00ms. Allocated memory is still 140.5MB. Free memory was 95.4MB in the beginning and 106.1MB in the end (delta: -10.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:42,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 140.5MB. Free memory was 106.1MB in the beginning and 104.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:42,954 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 140.5MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:42,955 INFO L158 Benchmark]: RCFGBuilder took 288.78ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 92.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:59:42,956 INFO L158 Benchmark]: TraceAbstraction took 636.67ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 67.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:42,956 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 140.5MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:42,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.00ms. Allocated memory is still 140.5MB. Free memory was 95.4MB in the beginning and 106.1MB in the end (delta: -10.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 140.5MB. Free memory was 106.1MB in the beginning and 104.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.25ms. Allocated memory is still 140.5MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.78ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 92.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 636.67ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 67.4MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 140.5MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 32. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(a >= -0.5 && a <= 0.75) [L12] COND FALSE !(!cond) VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(cond)=1, cond=1] [L52] RET assume_abort_if_not(a >= -0.5 && a <= 0.75) [L54] CALL, EXPR mcos(a) [L25] double a, hz, z, r, qx, zr; [L26] z = x*x VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(x)=54, x=54] [L27] COND TRUE x < 0. [L27] x = -x VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(x)=54] [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(x)=54] [L31] COND TRUE x < 0.3 [L32] return 1.-(hz-zr); VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(x)=54] [L54] RET, EXPR mcos(a) [L54] r = mcos(a) [L56] CALL __VERIFIER_assert(r >= 0. && r <= 1.1) [L14] COND TRUE !(cond) VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(cond)=0, cond=0] [L14] reach_error() VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000, \old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 [2023-11-06 21:59:43,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:45,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:46,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:59:46,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:46,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:46,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:46,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:46,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:46,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:46,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:46,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:46,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:46,133 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:46,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:46,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:46,135 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:46,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:46,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:46,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:46,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:46,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:46,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:59:46,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:59:46,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:59:46,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:46,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:46,142 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:46,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:46,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:46,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:46,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:46,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:46,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:46,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:46,147 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:59:46,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:59:46,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:46,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:46,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:46,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:46,149 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:59:46,149 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:46,149 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2023-11-06 21:59:46,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:46,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:46,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:46,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:46,653 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:46,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-06 21:59:50,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:50,243 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:50,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/sv-benchmarks/c/float-benchs/cos_polynomial.c [2023-11-06 21:59:50,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data/0d3444796/f6798a28360148e4a02bdd61419ad114/FLAG4cc199b6f [2023-11-06 21:59:50,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/data/0d3444796/f6798a28360148e4a02bdd61419ad114 [2023-11-06 21:59:50,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:50,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:50,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:50,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:50,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:50,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd4fbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50, skipping insertion in model container [2023-11-06 21:59:50,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:50,479 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-06 21:59:50,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:50,537 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:50,556 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2023-11-06 21:59:50,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:50,601 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:50,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50 WrapperNode [2023-11-06 21:59:50,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:50,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:50,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:50,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:50,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,658 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-06 21:59:50,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:50,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:50,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:50,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:50,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:50,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:50,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:50,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:50,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (1/1) ... [2023-11-06 21:59:50,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:50,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:50,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:50,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:59:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:50,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:50,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:59,346 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:59,353 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:59,354 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:59:59,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:59 BoogieIcfgContainer [2023-11-06 21:59:59,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:59,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:59,361 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:59,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:59,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:50" (1/3) ... [2023-11-06 21:59:59,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f365f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:59, skipping insertion in model container [2023-11-06 21:59:59,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:50" (2/3) ... [2023-11-06 21:59:59,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f365f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:59, skipping insertion in model container [2023-11-06 21:59:59,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:59" (3/3) ... [2023-11-06 21:59:59,370 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2023-11-06 21:59:59,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:59,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:59,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:59,452 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40dc18b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:59,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:59,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 21:59:59,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:59,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:59,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:59,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:59,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2023-11-06 21:59:59,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:59:59,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850482487] [2023-11-06 21:59:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:59,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 21:59:59,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:59:59,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 21:59:59,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:00:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:02,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:00:02,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:00:02,048 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:00:02,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:00:02,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850482487] [2023-11-06 22:00:02,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850482487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:02,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:02,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:00:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850387043] [2023-11-06 22:00:02,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:02,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:00:02,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:00:02,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:00:02,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:00:02,093 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:00:02,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:00:02,108 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2023-11-06 22:00:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:00:02,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-06 22:00:02,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:00:02,118 INFO L225 Difference]: With dead ends: 31 [2023-11-06 22:00:02,118 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:00:02,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:00:02,125 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:00:02,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:00:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:00:02,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-06 22:00:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:00:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-06 22:00:02,155 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2023-11-06 22:00:02,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:00:02,156 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-06 22:00:02,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:00:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-06 22:00:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:00:02,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:02,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:00:02,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:00:02,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:00:02,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:02,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2023-11-06 22:00:02,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:02,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941367270] [2023-11-06 22:00:02,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:02,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:00:02,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:02,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:00:02,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:01:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:54,647 WARN L260 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:01:54,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:12,982 WARN L839 $PredicateComparison]: unable to prove that (and (= c_~C2~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= c_~C6~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (fp.geq |c_ULTIMATE.start_mcos_~x#1| (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (fp.leq |c_ULTIMATE.start_mcos_~x#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))) (= c_currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= |c_ULTIMATE.start_mcos_~z~0#1| (fp.mul c_currentRoundingMode |c_ULTIMATE.start_mcos_~x#1| |c_ULTIMATE.start_mcos_~x#1|))) is different from false [2023-11-06 22:02:29,163 WARN L293 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:02:35,414 WARN L293 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:02:41,489 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:02:46,559 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:02:52,671 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:02:58,906 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:03:01,382 WARN L839 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= |c_ULTIMATE.start_mcos_~hz~0#1| (fp.mul c_currentRoundingMode .cse0 .cse1)) (= (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))))))))))))))) |c_ULTIMATE.start_mcos_~zr~0#1|) (fp.geq |v_ULTIMATE.start_mcos_~x#1_11| (fp.neg .cse0)) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)) (= |c_ULTIMATE.start_mcos_~x#1| (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-06 22:03:07,140 WARN L293 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:03:13,300 WARN L293 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:03:22,332 WARN L293 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:03:24,875 WARN L839 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 10.0))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)) (= (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse0 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))) |c_ULTIMATE.start_mcos_#res#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-06 22:03:27,089 WARN L861 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_mcos_~x#1_11| (_ FloatingPoint 11 53))) (and (fp.lt (fp.neg |v_ULTIMATE.start_mcos_~x#1_11|) ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 10.0))) (fp.lt |v_ULTIMATE.start_mcos_~x#1_11| (_ +zero 11 53)) (= (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse0 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_mcos_~x#1_11| |v_ULTIMATE.start_mcos_~x#1_11|))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))) |c_ULTIMATE.start_mcos_#res#1|))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-11-06 22:03:38,185 WARN L293 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:03:40,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:03:40,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941367270] [2023-11-06 22:03:40,743 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-06 22:03:40,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:03:40,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:03:40,944 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 4531 column 7: canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:226) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:359) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:343) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:441) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:194) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-06 22:03:40,949 INFO L158 Benchmark]: Toolchain (without parser) took 230672.48ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 72.2MB in the end (delta: -28.5MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-06 22:03:40,949 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:03:40,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.75ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 32.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:40,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.14ms. Allocated memory is still 73.4MB. Free memory was 32.1MB in the beginning and 30.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:03:40,951 INFO L158 Benchmark]: Boogie Preprocessor took 50.94ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 30.4MB in the beginning and 86.2MB in the end (delta: -55.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:40,952 INFO L158 Benchmark]: RCFGBuilder took 8645.91ms. Allocated memory is still 107.0MB. Free memory was 86.2MB in the beginning and 75.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:03:40,952 INFO L158 Benchmark]: TraceAbstraction took 221587.80ms. Allocated memory is still 107.0MB. Free memory was 75.0MB in the beginning and 72.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-11-06 22:03:40,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.75ms. Allocated memory is still 73.4MB. Free memory was 43.6MB in the beginning and 32.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.14ms. Allocated memory is still 73.4MB. Free memory was 32.1MB in the beginning and 30.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.94ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 30.4MB in the beginning and 86.2MB in the end (delta: -55.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8645.91ms. Allocated memory is still 107.0MB. Free memory was 86.2MB in the beginning and 75.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 221587.80ms. Allocated memory is still 107.0MB. Free memory was 75.0MB in the beginning and 72.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 4531 column 7: canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 4531 column 7: canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:03:41,212 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 22:03:41,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624b2edb-e1e8-4570-9cb9-80514269979d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 4531 column 7: canceled