./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4402e33c41c1296b5e4b682ed26fe5ca3b275006 ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:52:04,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:52:04,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:52:04,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:52:04,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:52:04,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:52:04,473 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:52:04,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:52:04,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:52:04,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:52:04,478 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:52:04,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:52:04,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:52:04,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:52:04,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:52:04,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:52:04,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:52:04,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:52:04,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:52:04,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:52:04,492 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:52:04,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:52:04,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:52:04,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:52:04,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:52:04,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:52:04,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:52:04,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:52:04,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:52:04,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:52:04,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:52:04,503 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:52:04,504 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:52:04,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:52:04,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:52:04,506 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:52:04,506 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 20:52:04,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:52:04,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:52:04,522 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:52:04,522 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:52:04,523 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:52:04,524 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:52:04,524 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:52:04,524 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:52:04,524 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:52:04,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:52:04,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:52:04,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:52:04,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:52:04,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:52:04,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:52:04,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:52:04,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:52:04,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:52:04,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:52:04,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:52:04,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:52:04,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:52:04,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:52:04,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:52:04,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:52:04,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:52:04,530 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:52:04,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:52:04,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:52:04,530 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_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-10-26 20:52:04,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:52:04,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:52:04,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:52:04,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:52:04,582 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:52:04,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-10-26 20:52:04,638 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/ed7aafa2b/36400b77f0f54bacbf948ca8ed20c1e8/FLAGfb03b3516 [2018-10-26 20:52:05,015 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:52:05,016 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-10-26 20:52:05,022 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/ed7aafa2b/36400b77f0f54bacbf948ca8ed20c1e8/FLAGfb03b3516 [2018-10-26 20:52:05,035 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/ed7aafa2b/36400b77f0f54bacbf948ca8ed20c1e8 [2018-10-26 20:52:05,039 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:52:05,043 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:52:05,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:05,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:52:05,048 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:52:05,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501b0c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05, skipping insertion in model container [2018-10-26 20:52:05,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:52:05,083 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:52:05,242 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:05,247 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:52:05,265 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:05,280 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:52:05,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05 WrapperNode [2018-10-26 20:52:05,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:05,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:52:05,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:52:05,281 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:52:05,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... [2018-10-26 20:52:05,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:52:05,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:52:05,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:52:05,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:52:05,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/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 [2018-10-26 20:52:05,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:52:05,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:52:05,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:52:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 20:52:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 20:52:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 20:52:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:52:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:52:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:52:05,710 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:52:05,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:05 BoogieIcfgContainer [2018-10-26 20:52:05,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:52:05,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:52:05,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:52:05,726 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:52:05,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:52:05" (1/3) ... [2018-10-26 20:52:05,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5809e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:52:05, skipping insertion in model container [2018-10-26 20:52:05,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:05" (2/3) ... [2018-10-26 20:52:05,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5809e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:52:05, skipping insertion in model container [2018-10-26 20:52:05,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:05" (3/3) ... [2018-10-26 20:52:05,730 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-10-26 20:52:05,743 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:52:05,753 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:52:05,770 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:52:05,805 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:52:05,806 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:52:05,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:52:05,806 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:52:05,806 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:52:05,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:52:05,806 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:52:05,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:52:05,807 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:52:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-10-26 20:52:05,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:52:05,832 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:52:05,833 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:52:05,837 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:52:05,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:52:05,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-10-26 20:52:05,845 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:52:05,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:52:05,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:05,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:52:05,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:52:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:52:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:52:05,941 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:52:05,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:52:05 BoogieIcfgContainer [2018-10-26 20:52:05,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:52:05,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:52:05,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:52:05,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:52:05,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:05" (3/4) ... [2018-10-26 20:52:05,966 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:52:05,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:52:05,967 INFO L168 Benchmark]: Toolchain (without parser) took 924.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.6 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:05,969 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-26 20:52:05,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.60 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:05,971 INFO L168 Benchmark]: Boogie Preprocessor took 30.40 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:05,972 INFO L168 Benchmark]: RCFGBuilder took 403.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:05,973 INFO L168 Benchmark]: TraceAbstraction took 243.23 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:05,974 INFO L168 Benchmark]: Witness Printer took 6.12 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. [2018-10-26 20:52:05,979 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 236.60 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.40 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 403.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 243.23 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 7, overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=0, x=0] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=0, x=0] [L14] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:52:08,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:52:08,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:52:08,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:52:08,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:52:08,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:52:08,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:52:08,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:52:08,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:52:08,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:52:08,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:52:08,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:52:08,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:52:08,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:52:08,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:52:08,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:52:08,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:52:08,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:52:08,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:52:08,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:52:08,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:52:08,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:52:08,164 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:52:08,164 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:52:08,164 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:52:08,165 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:52:08,166 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:52:08,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:52:08,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:52:08,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:52:08,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:52:08,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:52:08,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:52:08,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:52:08,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:52:08,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:52:08,174 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 20:52:08,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:52:08,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:52:08,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:52:08,191 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:52:08,192 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:52:08,192 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:52:08,192 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:52:08,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:52:08,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:52:08,193 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:52:08,193 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:52:08,193 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:52:08,193 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:52:08,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:52:08,194 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:52:08,194 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:52:08,194 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:52:08,194 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:52:08,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:52:08,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:52:08,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:52:08,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:52:08,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:52:08,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:52:08,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:52:08,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:52:08,198 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:52:08,198 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 20:52:08,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:52:08,199 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:52:08,199 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:52:08,199 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_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2018-10-26 20:52:08,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:52:08,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:52:08,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:52:08,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:52:08,259 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:52:08,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-10-26 20:52:08,306 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/7b688e1c4/3cdad8d2a9b44b86b2d8adca5c7bc1b0/FLAG0b225af6c [2018-10-26 20:52:08,678 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:52:08,678 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/sv-benchmarks/c/floats-cdfpl/sine_1_false-unreach-call_true-termination.i [2018-10-26 20:52:08,682 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/7b688e1c4/3cdad8d2a9b44b86b2d8adca5c7bc1b0/FLAG0b225af6c [2018-10-26 20:52:08,693 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/data/7b688e1c4/3cdad8d2a9b44b86b2d8adca5c7bc1b0 [2018-10-26 20:52:08,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:52:08,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:52:08,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:08,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:52:08,700 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:52:08,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9e77f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08, skipping insertion in model container [2018-10-26 20:52:08,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:52:08,727 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:52:08,856 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:08,862 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:52:08,881 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:52:08,897 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:52:08,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08 WrapperNode [2018-10-26 20:52:08,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:52:08,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:52:08,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:52:08,899 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:52:08,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... [2018-10-26 20:52:08,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:52:08,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:52:08,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:52:08,937 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:52:08,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/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 [2018-10-26 20:52:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:52:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:52:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 20:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 20:52:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 20:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:52:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:52:12,102 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:52:12,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:12 BoogieIcfgContainer [2018-10-26 20:52:12,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:52:12,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:52:12,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:52:12,108 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:52:12,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:52:08" (1/3) ... [2018-10-26 20:52:12,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10198053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:52:12, skipping insertion in model container [2018-10-26 20:52:12,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:52:08" (2/3) ... [2018-10-26 20:52:12,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10198053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:52:12, skipping insertion in model container [2018-10-26 20:52:12,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:12" (3/3) ... [2018-10-26 20:52:12,113 INFO L112 eAbstractionObserver]: Analyzing ICFG sine_1_false-unreach-call_true-termination.i [2018-10-26 20:52:12,124 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:52:12,132 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:52:12,149 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:52:12,177 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:52:12,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:52:12,178 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:52:12,178 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:52:12,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:52:12,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:52:12,178 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:52:12,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:52:12,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:52:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-10-26 20:52:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 20:52:12,202 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:52:12,203 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:52:12,205 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:52:12,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:52:12,212 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-10-26 20:52:12,217 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:52:12,218 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/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 [2018-10-26 20:52:12,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:52:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:52:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:52:30,220 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:52:30,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:52:30 BoogieIcfgContainer [2018-10-26 20:52:30,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:52:30,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:52:30,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:52:30,248 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:52:30,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:52:12" (3/4) ... [2018-10-26 20:52:30,252 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:52:30,299 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6d7c2c1-8c76-4efd-9bc0-59fa4bea4fd0/bin-2019/uautomizer/witness.graphml [2018-10-26 20:52:30,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:52:30,301 INFO L168 Benchmark]: Toolchain (without parser) took 21605.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:30,303 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:52:30,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.47 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 931.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:30,304 INFO L168 Benchmark]: Boogie Preprocessor took 37.85 ms. Allocated memory is still 1.0 GB. Free memory was 931.8 MB in the beginning and 926.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:30,304 INFO L168 Benchmark]: RCFGBuilder took 3166.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:30,304 INFO L168 Benchmark]: TraceAbstraction took 18143.09 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:52:30,305 INFO L168 Benchmark]: Witness Printer took 53.03 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. [2018-10-26 20:52:30,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.47 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 931.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.85 ms. Allocated memory is still 1.0 GB. Free memory was 931.8 MB in the beginning and 926.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3166.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 926.4 MB in the beginning and 1.1 GB in the end (delta: -195.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18143.09 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.03 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=-1.42994225025177, result=-0.9948797225952148, x=-1.42994225025177] [L13] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.42994225025177, result=-0.9948797225952148, x=-1.42994225025177] [L14] __VERIFIER_error() VAL [IN=-1.42994225025177, result=-0.9948797225952148, x=-1.42994225025177] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 18.0s 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, 10.6s 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...