./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4402e33c41c1296b5e4b682ed26fe5ca3b275006 .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:10:33,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:10:33,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:10:33,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:10:33,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:10:33,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:10:33,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:10:33,956 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:10:33,958 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:10:33,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:10:33,959 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:10:33,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:10:33,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:10:33,960 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:10:33,961 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:10:33,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:10:33,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:10:33,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:10:33,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:10:33,964 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:10:33,965 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:10:33,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:10:33,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:10:33,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:10:33,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:10:33,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:10:33,968 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:10:33,969 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:10:33,969 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:10:33,970 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:10:33,970 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:10:33,970 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:10:33,970 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:10:33,970 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:10:33,971 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:10:33,971 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:10:33,971 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:10:33,981 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:10:33,981 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:10:33,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:10:33,982 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:10:33,982 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:10:33,982 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:10:33,982 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:10:33,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:10:33,983 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:10:33,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:10:33,984 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:33,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:10:33,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:10:33,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:10:33,985 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:10:33,985 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:10:33,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:10:33,985 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer 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(__VERIFIER_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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-11-18 11:10:34,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:10:34,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:10:34,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:10:34,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:10:34,022 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:10:34,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-18 11:10:34,067 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/0e2aeaaea/8cb13cdf81ed4487823602e6a159540c/FLAGa03607a04 [2018-11-18 11:10:34,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:10:34,461 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-18 11:10:34,465 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/0e2aeaaea/8cb13cdf81ed4487823602e6a159540c/FLAGa03607a04 [2018-11-18 11:10:34,475 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/0e2aeaaea/8cb13cdf81ed4487823602e6a159540c [2018-11-18 11:10:34,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:10:34,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:10:34,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:34,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:10:34,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:10:34,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22909f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34, skipping insertion in model container [2018-11-18 11:10:34,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:10:34,506 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:10:34,605 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:34,607 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:10:34,617 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:34,625 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:10:34,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34 WrapperNode [2018-11-18 11:10:34,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:34,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:10:34,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:10:34,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:10:34,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... [2018-11-18 11:10:34,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:10:34,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:10:34,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:10:34,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:10:34,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:10:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:10:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:10:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:10:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 11:10:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 11:10:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:10:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:10:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:10:34,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:10:34,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:34 BoogieIcfgContainer [2018-11-18 11:10:34,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:10:34,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:10:34,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:10:34,791 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:10:34,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:10:34" (1/3) ... [2018-11-18 11:10:34,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ba6a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:34, skipping insertion in model container [2018-11-18 11:10:34,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:34" (2/3) ... [2018-11-18 11:10:34,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ba6a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:34, skipping insertion in model container [2018-11-18 11:10:34,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:34" (3/3) ... [2018-11-18 11:10:34,793 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-11-18 11:10:34,798 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:10:34,802 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:10:34,810 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:10:34,830 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:10:34,831 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:10:34,831 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:10:34,831 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:10:34,831 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:10:34,831 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:10:34,831 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:10:34,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:10:34,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:10:34,844 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-18 11:10:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:10:34,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:34,849 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:34,851 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:34,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:34,855 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-18 11:10:34,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:10:34,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:10:34,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:34,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:34,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:10:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:10:34,931 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:10:34,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:10:34 BoogieIcfgContainer [2018-11-18 11:10:34,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:10:34,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:10:34,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:10:34,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:10:34,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:34" (3/4) ... [2018-11-18 11:10:34,946 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:10:34,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:10:34,947 INFO L168 Benchmark]: Toolchain (without parser) took 468.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:10:34,948 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:10:34,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:34,949 INFO L168 Benchmark]: Boogie Preprocessor took 17.18 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:34,950 INFO L168 Benchmark]: RCFGBuilder took 144.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:34,950 INFO L168 Benchmark]: TraceAbstraction took 154.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:10:34,951 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:10:34,953 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.18 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 154.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 7, overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=0, x=0] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=0, x=0] [L14] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:10:36,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:10:36,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:10:36,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:10:36,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:10:36,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:10:36,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:10:36,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:10:36,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:10:36,370 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:10:36,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:10:36,371 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:10:36,372 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:10:36,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:10:36,373 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:10:36,374 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:10:36,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:10:36,375 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:10:36,377 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:10:36,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:10:36,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:10:36,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:10:36,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:10:36,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:10:36,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:10:36,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:10:36,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:10:36,385 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:10:36,385 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:10:36,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:10:36,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:10:36,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:10:36,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:10:36,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:10:36,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:10:36,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:10:36,388 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:10:36,399 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:10:36,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:10:36,400 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:10:36,400 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:10:36,400 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:10:36,401 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:10:36,401 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:10:36,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:10:36,402 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:36,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:10:36,403 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer 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(__VERIFIER_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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-11-18 11:10:36,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:10:36,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:10:36,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:10:36,448 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:10:36,449 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:10:36,449 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-18 11:10:36,493 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/72324776c/1eaf80d4ab604cccb508eb84106ba39a/FLAG429efbd4d [2018-11-18 11:10:36,817 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:10:36,817 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-11-18 11:10:36,821 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/72324776c/1eaf80d4ab604cccb508eb84106ba39a/FLAG429efbd4d [2018-11-18 11:10:36,829 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/data/72324776c/1eaf80d4ab604cccb508eb84106ba39a [2018-11-18 11:10:36,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:10:36,833 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:10:36,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:36,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:10:36,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:10:36,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:36" (1/1) ... [2018-11-18 11:10:36,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407382b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:36, skipping insertion in model container [2018-11-18 11:10:36,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:36" (1/1) ... [2018-11-18 11:10:36,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:10:36,856 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:10:36,981 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:36,985 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:10:37,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:10:37,011 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:10:37,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37 WrapperNode [2018-11-18 11:10:37,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:10:37,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:10:37,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:10:37,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:10:37,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... [2018-11-18 11:10:37,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:10:37,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:10:37,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:10:37,035 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:10:37,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:10:37,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:10:37,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:10:37,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:10:37,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:10:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 11:10:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 11:10:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:10:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:10:37,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:10:39,759 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:10:39,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:39 BoogieIcfgContainer [2018-11-18 11:10:39,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:10:39,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:10:39,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:10:39,762 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:10:39,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:10:36" (1/3) ... [2018-11-18 11:10:39,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7a2fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:39, skipping insertion in model container [2018-11-18 11:10:39,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:37" (2/3) ... [2018-11-18 11:10:39,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7a2fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:39, skipping insertion in model container [2018-11-18 11:10:39,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:39" (3/3) ... [2018-11-18 11:10:39,766 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-11-18 11:10:39,771 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:10:39,775 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:10:39,784 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:10:39,802 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:10:39,802 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:10:39,802 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:10:39,802 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:10:39,802 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:10:39,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:10:39,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:10:39,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:10:39,803 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:10:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-18 11:10:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:10:39,818 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:39,819 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:39,820 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:39,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:39,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-18 11:10:39,826 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:10:39,827 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 11:10:39,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:13:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:13:55,432 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:13:55,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:13:55 BoogieIcfgContainer [2018-11-18 11:13:55,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:13:55,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:13:55,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:13:55,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:13:55,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:39" (3/4) ... [2018-11-18 11:13:55,449 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:13:55,479 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f64ae84-ee7b-463b-96a9-7b8a29878891/bin-2019/uautomizer/witness.graphml [2018-11-18 11:13:55,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:13:55,479 INFO L168 Benchmark]: Toolchain (without parser) took 198647.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:55,480 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:55,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:55,481 INFO L168 Benchmark]: Boogie Preprocessor took 22.14 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:55,481 INFO L168 Benchmark]: RCFGBuilder took 2725.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:55,482 INFO L168 Benchmark]: TraceAbstraction took 195686.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:13:55,482 INFO L168 Benchmark]: Witness Printer took 31.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:13:55,484 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.58 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.14 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2725.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 195686.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Witness Printer took 31.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] [L14] __VERIFIER_error() VAL [IN=-1.4954726696014404, result=-1.0037016868591309, x=-1.4954726696014404] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 195.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...