./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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 0.1.23-1dbac8b [2018-11-10 05:08:00,521 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:08:00,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:08:00,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:08:00,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:08:00,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:08:00,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:08:00,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:08:00,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:08:00,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:08:00,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:08:00,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:08:00,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:08:00,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:08:00,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:08:00,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:08:00,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:08:00,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:08:00,541 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:08:00,542 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:08:00,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:08:00,544 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:08:00,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:08:00,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:08:00,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:08:00,547 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:08:00,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:08:00,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:08:00,549 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:08:00,549 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:08:00,550 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:08:00,550 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:08:00,550 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:08:00,550 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:08:00,551 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:08:00,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:08:00,551 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 05:08:00,561 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:08:00,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:08:00,562 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:08:00,562 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:08:00,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:08:00,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:08:00,563 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:08:00,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:08:00,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:08:00,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:08:00,565 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:08:00,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:08:00,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:08:00,565 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_933857a0-021c-4e1c-9156-f82f2633128b/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 [2018-11-10 05:08:00,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:08:00,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:08:00,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:08:00,598 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:08:00,599 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:08:00,599 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-10 05:08:00,637 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/feac8f9d7/7a3f6cdd106f4883acb36b0b3337711e/FLAGadf838ce3 [2018-11-10 05:08:01,033 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:08:01,033 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-10 05:08:01,037 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/feac8f9d7/7a3f6cdd106f4883acb36b0b3337711e/FLAGadf838ce3 [2018-11-10 05:08:01,049 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/feac8f9d7/7a3f6cdd106f4883acb36b0b3337711e [2018-11-10 05:08:01,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:08:01,052 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:08:01,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:08:01,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:08:01,056 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:08:01,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e712191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01, skipping insertion in model container [2018-11-10 05:08:01,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:08:01,077 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:08:01,176 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:08:01,178 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:08:01,189 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:08:01,197 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:08:01,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01 WrapperNode [2018-11-10 05:08:01,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:08:01,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:08:01,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:08:01,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:08:01,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... [2018-11-10 05:08:01,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:08:01,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:08:01,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:08:01,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:08:01,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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 [2018-11-10 05:08:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:08:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:08:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:08:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:08:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 05:08:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 05:08:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:08:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:08:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:08:01,385 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:08:01,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:08:01 BoogieIcfgContainer [2018-11-10 05:08:01,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:08:01,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:08:01,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:08:01,389 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:08:01,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:08:01" (1/3) ... [2018-11-10 05:08:01,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101a05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:08:01, skipping insertion in model container [2018-11-10 05:08:01,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:01" (2/3) ... [2018-11-10 05:08:01,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101a05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:08:01, skipping insertion in model container [2018-11-10 05:08:01,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:08:01" (3/3) ... [2018-11-10 05:08:01,392 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_3_false-unreach-call_true-termination.i [2018-11-10 05:08:01,400 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:08:01,406 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:08:01,419 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:08:01,441 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:08:01,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:08:01,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:08:01,442 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:08:01,442 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:08:01,442 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:08:01,442 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:08:01,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:08:01,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:08:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-10 05:08:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:08:01,458 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:08:01,458 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:08:01,460 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:08:01,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:08:01,465 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-10 05:08:01,466 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:08:01,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:08:01,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:08:01,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:08:01,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:08:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:08:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:08:01,537 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:08:01,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:08:01 BoogieIcfgContainer [2018-11-10 05:08:01,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:08:01,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:08:01,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:08:01,552 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:08:01,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:08:01" (3/4) ... [2018-11-10 05:08:01,556 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:08:01,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:08:01,556 INFO L168 Benchmark]: Toolchain (without parser) took 505.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:08:01,558 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:08:01,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:08:01,559 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:08:01,559 INFO L168 Benchmark]: RCFGBuilder took 165.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:08:01,560 INFO L168 Benchmark]: TraceAbstraction took 165.10 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:08:01,560 INFO L168 Benchmark]: Witness Printer took 3.90 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. [2018-11-10 05:08:01,562 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.23 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 165.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 165.10 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.90 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 0.1.23-1dbac8b [2018-11-10 05:08:03,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:08:03,025 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:08:03,033 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:08:03,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:08:03,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:08:03,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:08:03,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:08:03,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:08:03,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:08:03,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:08:03,039 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:08:03,040 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:08:03,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:08:03,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:08:03,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:08:03,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:08:03,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:08:03,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:08:03,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:08:03,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:08:03,049 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:08:03,051 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:08:03,051 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:08:03,051 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:08:03,052 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:08:03,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:08:03,053 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:08:03,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:08:03,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:08:03,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:08:03,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:08:03,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:08:03,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:08:03,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:08:03,057 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:08:03,057 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 05:08:03,069 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:08:03,069 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:08:03,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:08:03,069 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:08:03,070 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:08:03,070 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:08:03,070 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:08:03,070 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:08:03,071 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:08:03,072 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:08:03,072 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:08:03,072 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:08:03,072 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:08:03,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:08:03,072 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:08:03,072 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:08:03,073 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:08:03,073 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:08:03,073 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_933857a0-021c-4e1c-9156-f82f2633128b/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 [2018-11-10 05:08:03,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:08:03,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:08:03,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:08:03,114 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:08:03,114 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:08:03,114 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-10 05:08:03,152 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/2ddba3d94/952c27b3c68c4e92892a74e4e2f7d233/FLAGea9173197 [2018-11-10 05:08:03,479 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:08:03,479 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/sv-benchmarks/c/floats-cdfpl/sine_3_false-unreach-call_true-termination.i [2018-11-10 05:08:03,483 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/2ddba3d94/952c27b3c68c4e92892a74e4e2f7d233/FLAGea9173197 [2018-11-10 05:08:03,493 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/data/2ddba3d94/952c27b3c68c4e92892a74e4e2f7d233 [2018-11-10 05:08:03,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:08:03,497 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:08:03,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:08:03,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:08:03,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:08:03,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412f3dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03, skipping insertion in model container [2018-11-10 05:08:03,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:08:03,524 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:08:03,647 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:08:03,651 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:08:03,664 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:08:03,676 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:08:03,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03 WrapperNode [2018-11-10 05:08:03,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:08:03,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:08:03,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:08:03,677 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:08:03,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... [2018-11-10 05:08:03,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:08:03,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:08:03,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:08:03,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:08:03,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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 [2018-11-10 05:08:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:08:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:08:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:08:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:08:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 05:08:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 05:08:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:08:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:08:03,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:08:06,323 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:08:06,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:08:06 BoogieIcfgContainer [2018-11-10 05:08:06,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:08:06,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:08:06,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:08:06,326 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:08:06,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:08:03" (1/3) ... [2018-11-10 05:08:06,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2feab9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:08:06, skipping insertion in model container [2018-11-10 05:08:06,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:08:03" (2/3) ... [2018-11-10 05:08:06,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2feab9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:08:06, skipping insertion in model container [2018-11-10 05:08:06,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:08:06" (3/3) ... [2018-11-10 05:08:06,328 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_3_false-unreach-call_true-termination.i [2018-11-10 05:08:06,334 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:08:06,339 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:08:06,353 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:08:06,373 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:08:06,374 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:08:06,374 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:08:06,374 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:08:06,374 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:08:06,374 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:08:06,374 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:08:06,374 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:08:06,374 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:08:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-10 05:08:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:08:06,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:08:06,388 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:08:06,389 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:08:06,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:08:06,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-10 05:08:06,398 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:08:06,399 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/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 [2018-11-10 05:08:06,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:13:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:14:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:14:13,780 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:14:13,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:14:13 BoogieIcfgContainer [2018-11-10 05:14:13,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:14:13,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:14:13,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:14:13,799 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:14:13,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:08:06" (3/4) ... [2018-11-10 05:14:13,802 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:14:13,828 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_933857a0-021c-4e1c-9156-f82f2633128b/bin-2019/uautomizer/witness.graphml [2018-11-10 05:14:13,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:14:13,829 INFO L168 Benchmark]: Toolchain (without parser) took 370332.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:14:13,830 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 05:14:13,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.96 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:13,831 INFO L168 Benchmark]: Boogie Preprocessor took 20.50 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:13,831 INFO L168 Benchmark]: RCFGBuilder took 2625.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:13,832 INFO L168 Benchmark]: TraceAbstraction took 367474.77 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:13,832 INFO L168 Benchmark]: Witness Printer took 29.72 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. [2018-11-10 05:14:13,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 178.96 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.50 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2625.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 367474.77 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: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Witness Printer took 29.72 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, 367.4s 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, 308.6s 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...