./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_3_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_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 efc3beffa131f51d6103293c64eabba4e9dcb6a3 .................................................................................................................................................................................................................................... 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_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 efc3beffa131f51d6103293c64eabba4e9dcb6a3 .......................................................................................................................................................................................................................... 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 09:53:27,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:53:27,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:53:27,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:53:27,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:53:27,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:53:27,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:53:27,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:53:27,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:53:27,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:53:27,463 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:53:27,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:53:27,464 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:53:27,465 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:53:27,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:53:27,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:53:27,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:53:27,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:53:27,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:53:27,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:53:27,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:53:27,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:53:27,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:53:27,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:53:27,474 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:53:27,474 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:53:27,475 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:53:27,476 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:53:27,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:53:27,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:53:27,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:53:27,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:53:27,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:53:27,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:53:27,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:53:27,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:53:27,480 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 09:53:27,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:53:27,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:53:27,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:53:27,491 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 09:53:27,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:53:27,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:53:27,491 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:53:27,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:53:27,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:53:27,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:53:27,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:53:27,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:53:27,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:53:27,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:53:27,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:53:27,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:53:27,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:53:27,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:53:27,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:53:27,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:53:27,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:53:27,494 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:53:27,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:53:27,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:53:27,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:53:27,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:53:27,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:53:27,495 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:53:27,495 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:53:27,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:53:27,495 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_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 -> efc3beffa131f51d6103293c64eabba4e9dcb6a3 [2018-11-18 09:53:27,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:53:27,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:53:27,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:53:27,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:53:27,532 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:53:27,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-18 09:53:27,578 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/fb4c33ab9/9db4df782c1b43edbb9741b13a88a922/FLAG1776033d4 [2018-11-18 09:53:27,914 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:53:27,915 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-18 09:53:27,919 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/fb4c33ab9/9db4df782c1b43edbb9741b13a88a922/FLAG1776033d4 [2018-11-18 09:53:27,930 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/fb4c33ab9/9db4df782c1b43edbb9741b13a88a922 [2018-11-18 09:53:27,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:53:27,932 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:53:27,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:53:27,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:53:27,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:53:27,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:53:27" (1/1) ... [2018-11-18 09:53:27,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36486ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:27, skipping insertion in model container [2018-11-18 09:53:27,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:53:27" (1/1) ... [2018-11-18 09:53:27,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:53:27,957 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:53:28,063 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:53:28,066 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:53:28,076 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:53:28,084 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:53:28,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28 WrapperNode [2018-11-18 09:53:28,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:53:28,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:53:28,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:53:28,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:53:28,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... [2018-11-18 09:53:28,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:53:28,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:53:28,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:53:28,108 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:53:28,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 09:53:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:53:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:53:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:53:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:53:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 09:53:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 09:53:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:53:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:53:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:53:28,266 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:53:28,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:28 BoogieIcfgContainer [2018-11-18 09:53:28,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:53:28,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:53:28,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:53:28,269 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:53:28,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:53:27" (1/3) ... [2018-11-18 09:53:28,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36db205a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:53:28, skipping insertion in model container [2018-11-18 09:53:28,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:28" (2/3) ... [2018-11-18 09:53:28,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36db205a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:53:28, skipping insertion in model container [2018-11-18 09:53:28,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:28" (3/3) ... [2018-11-18 09:53:28,272 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_3_false-unreach-call_true-termination.i [2018-11-18 09:53:28,278 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:53:28,283 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:53:28,292 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:53:28,311 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:53:28,312 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:53:28,312 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:53:28,312 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:53:28,312 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:53:28,312 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:53:28,312 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:53:28,312 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:53:28,312 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:53:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-18 09:53:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:53:28,328 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:28,328 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:28,330 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:28,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-18 09:53:28,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:53:28,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:53:28,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:28,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:53:28,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:53:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:53:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:53:28,403 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:53:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:53:28 BoogieIcfgContainer [2018-11-18 09:53:28,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:53:28,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:53:28,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:53:28,418 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:53:28,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:28" (3/4) ... [2018-11-18 09:53:28,421 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:53:28,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:53:28,422 INFO L168 Benchmark]: Toolchain (without parser) took 489.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:53:28,423 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:53:28,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.21 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:28,424 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:28,425 INFO L168 Benchmark]: RCFGBuilder took 158.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:28,425 INFO L168 Benchmark]: TraceAbstraction took 150.61 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:28,426 INFO L168 Benchmark]: Witness Printer took 3.65 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 09:53:28,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.21 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.61 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.65 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 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 <= 1.001f && result >= -1.001f) 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 09:53:29,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:53:29,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:53:29,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:53:29,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:53:29,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:53:29,857 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:53:29,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:53:29,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:53:29,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:53:29,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:53:29,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:53:29,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:53:29,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:53:29,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:53:29,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:53:29,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:53:29,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:53:29,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:53:29,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:53:29,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:53:29,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:53:29,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:53:29,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:53:29,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:53:29,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:53:29,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:53:29,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:53:29,875 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:53:29,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:53:29,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:53:29,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:53:29,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:53:29,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:53:29,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:53:29,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:53:29,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 09:53:29,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:53:29,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:53:29,889 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:53:29,889 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:53:29,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:53:29,890 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:53:29,890 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:53:29,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:53:29,891 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:53:29,892 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:53:29,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:53:29,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:53:29,892 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:53:29,892 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:53:29,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:53:29,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:53:29,893 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:53:29,894 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:53:29,894 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_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 -> efc3beffa131f51d6103293c64eabba4e9dcb6a3 [2018-11-18 09:53:29,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:53:29,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:53:29,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:53:29,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:53:29,939 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:53:29,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-18 09:53:29,983 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/33dfabdd2/5efad65876074537a6aed3dfc2599720/FLAG9de57c4ad [2018-11-18 09:53:30,377 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:53:30,378 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-18 09:53:30,381 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/33dfabdd2/5efad65876074537a6aed3dfc2599720/FLAG9de57c4ad [2018-11-18 09:53:30,390 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/data/33dfabdd2/5efad65876074537a6aed3dfc2599720 [2018-11-18 09:53:30,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:53:30,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:53:30,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:53:30,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:53:30,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:53:30,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,401 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 09:53:30, skipping insertion in model container [2018-11-18 09:53:30,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:53:30,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:53:30,545 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:53:30,549 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:53:30,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:53:30,572 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:53:30,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30 WrapperNode [2018-11-18 09:53:30,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:53:30,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:53:30,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:53:30,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:53:30,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... [2018-11-18 09:53:30,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:53:30,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:53:30,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:53:30,599 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:53:30,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 09:53:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:53:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:53:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:53:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:53:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 09:53:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 09:53:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:53:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:53:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:53:33,211 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:53:33,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:33 BoogieIcfgContainer [2018-11-18 09:53:33,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:53:33,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:53:33,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:53:33,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:53:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:53:30" (1/3) ... [2018-11-18 09:53:33,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f88b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:53:33, skipping insertion in model container [2018-11-18 09:53:33,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:53:30" (2/3) ... [2018-11-18 09:53:33,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f88b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:53:33, skipping insertion in model container [2018-11-18 09:53:33,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:33" (3/3) ... [2018-11-18 09:53:33,218 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_3_false-unreach-call_true-termination.i [2018-11-18 09:53:33,226 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:53:33,232 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:53:33,241 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:53:33,258 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:53:33,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:53:33,258 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:53:33,259 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:53:33,259 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:53:33,259 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:53:33,259 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:53:33,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:53:33,260 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:53:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-18 09:53:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:53:33,277 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:53:33,278 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:53:33,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:53:33,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:53:33,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-18 09:53:33,285 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:53:33,286 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/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 09:53:33,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:58:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:59:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:59:44,370 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:59:44,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:59:44 BoogieIcfgContainer [2018-11-18 09:59:44,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:59:44,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:59:44,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:59:44,388 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:59:44,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:53:33" (3/4) ... [2018-11-18 09:59:44,390 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 09:59:44,419 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_628be0a4-166f-4dc9-97a1-eb04f6c69ea6/bin-2019/uautomizer/witness.graphml [2018-11-18 09:59:44,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:59:44,420 INFO L168 Benchmark]: Toolchain (without parser) took 374026.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.5 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:59:44,421 INFO L168 Benchmark]: CDTParser took 0.15 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 09:59:44,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.19 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:59:44,422 INFO L168 Benchmark]: Boogie Preprocessor took 25.09 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:59:44,422 INFO L168 Benchmark]: RCFGBuilder took 2612.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:59:44,422 INFO L168 Benchmark]: TraceAbstraction took 371175.46 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:59:44,423 INFO L168 Benchmark]: Witness Printer took 31.80 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 09:59:44,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 178.19 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.09 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2612.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 371175.46 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 31.80 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=1.4788596630096436, result=1.0018242597579956, x=1.4788596630096436] [L13] COND TRUE !(result <= 1.001f && result >= -1.001f) VAL [IN=1.4788596630096436, result=1.0018242597579956, x=1.4788596630096436] [L14] __VERIFIER_error() VAL [IN=1.4788596630096436, result=1.0018242597579956, x=1.4788596630096436] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 371.1s 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, 314.8s 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...