./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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 0.1.25-f470102 [2019-12-07 18:43:32,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:43:32,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:43:32,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:43:32,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:43:32,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:43:32,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:43:32,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:43:32,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:43:32,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:43:32,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:43:32,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:43:32,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:43:32,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:43:32,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:43:32,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:43:32,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:43:32,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:43:32,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:43:32,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:43:32,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:43:32,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:43:32,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:43:32,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:43:32,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:43:32,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:43:32,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:43:32,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:43:32,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:43:32,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:43:32,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:43:32,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:43:32,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:43:32,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:43:32,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:43:32,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:43:32,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:43:32,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:43:32,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:43:32,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:43:32,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:43:32,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:43:32,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:43:32,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:43:32,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:43:32,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:43:32,609 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:43:32,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:43:32,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:43:32,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:43:32,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:43:32,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:43:32,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:43:32,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:43:32,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:43:32,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:43:32,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:43:32,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:43:32,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:43:32,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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 [2019-12-07 18:43:32,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:43:32,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:43:32,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:43:32,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:43:32,721 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:43:32,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_3.i [2019-12-07 18:43:32,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/993c9c718/bb2a0f413fdc45c292e90418d88e0b3f/FLAG8195cab70 [2019-12-07 18:43:33,188 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:43:33,189 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/sv-benchmarks/c/floats-cdfpl/sine_3.i [2019-12-07 18:43:33,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/993c9c718/bb2a0f413fdc45c292e90418d88e0b3f/FLAG8195cab70 [2019-12-07 18:43:33,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/993c9c718/bb2a0f413fdc45c292e90418d88e0b3f [2019-12-07 18:43:33,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:43:33,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:43:33,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:43:33,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:43:33,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:43:33,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446e037f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33, skipping insertion in model container [2019-12-07 18:43:33,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:43:33,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:43:33,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:43:33,324 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:43:33,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:43:33,377 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:43:33,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33 WrapperNode [2019-12-07 18:43:33,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:43:33,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:43:33,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:43:33,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:43:33,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:43:33,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:43:33,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:43:33,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:43:33,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... [2019-12-07 18:43:33,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:43:33,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:43:33,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:43:33,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:43:33,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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 [2019-12-07 18:43:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:43:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:43:33,526 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:43:33,526 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:43:33,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:43:33 BoogieIcfgContainer [2019-12-07 18:43:33,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:43:33,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:43:33,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:43:33,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:43:33,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:43:33" (1/3) ... [2019-12-07 18:43:33,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b517be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:43:33, skipping insertion in model container [2019-12-07 18:43:33,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:33" (2/3) ... [2019-12-07 18:43:33,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b517be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:43:33, skipping insertion in model container [2019-12-07 18:43:33,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:43:33" (3/3) ... [2019-12-07 18:43:33,531 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_3.i [2019-12-07 18:43:33,537 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:43:33,541 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:43:33,548 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:43:33,562 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:43:33,562 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:43:33,563 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:43:33,563 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:43:33,563 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:43:33,563 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:43:33,563 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:43:33,563 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:43:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-12-07 18:43:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 18:43:33,575 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:43:33,575 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 18:43:33,575 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:43:33,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:43:33,579 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-12-07 18:43:33,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:43:33,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609017926] [2019-12-07 18:43:33,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:43:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:43:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:43:33,654 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:43:33,655 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:43:33,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:43:33 BoogieIcfgContainer [2019-12-07 18:43:33,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:43:33,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:43:33,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:43:33,666 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:43:33,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:43:33" (3/4) ... [2019-12-07 18:43:33,668 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:43:33,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:43:33,670 INFO L168 Benchmark]: Toolchain (without parser) took 465.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:43:33,671 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:43:33,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:43:33,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:43:33,672 INFO L168 Benchmark]: Boogie Preprocessor took 10.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:43:33,672 INFO L168 Benchmark]: RCFGBuilder took 118.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:43:33,673 INFO L168 Benchmark]: TraceAbstraction took 137.91 ms. Allocated memory is still 1.1 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. [2019-12-07 18:43:33,673 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:43:33,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 118.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 137.91 ms. Allocated memory is still 1.1 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 3.12 ms. Allocated memory is still 1.1 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; [L13] COND TRUE !(result <= 1.001f && result >= -1.001f) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:43:35,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:43:35,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:43:35,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:43:35,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:43:35,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:43:35,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:43:35,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:43:35,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:43:35,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:43:35,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:43:35,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:43:35,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:43:35,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:43:35,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:43:35,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:43:35,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:43:35,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:43:35,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:43:35,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:43:35,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:43:35,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:43:35,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:43:35,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:43:35,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:43:35,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:43:35,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:43:35,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:43:35,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:43:35,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:43:35,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:43:35,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:43:35,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:43:35,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:43:35,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:43:35,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:43:35,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:43:35,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:43:35,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:43:35,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:43:35,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:43:35,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:43:35,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:43:35,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:43:35,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:43:35,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:43:35,054 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:43:35,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:43:35,055 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:43:35,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:43:35,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:43:35,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:43:35,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:43:35,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:43:35,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:43:35,058 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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 [2019-12-07 18:43:35,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:43:35,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:43:35,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:43:35,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:43:35,237 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:43:35,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_3.i [2019-12-07 18:43:35,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/806686840/19c696723cfe41ababdd7516228f3ea2/FLAG378ac6e01 [2019-12-07 18:43:35,610 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:43:35,610 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/sv-benchmarks/c/floats-cdfpl/sine_3.i [2019-12-07 18:43:35,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/806686840/19c696723cfe41ababdd7516228f3ea2/FLAG378ac6e01 [2019-12-07 18:43:35,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/data/806686840/19c696723cfe41ababdd7516228f3ea2 [2019-12-07 18:43:35,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:43:35,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:43:35,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:43:35,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:43:35,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:43:35,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415fd40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35, skipping insertion in model container [2019-12-07 18:43:35,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:43:35,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:43:35,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:43:35,749 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:43:35,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:43:35,770 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:43:35,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35 WrapperNode [2019-12-07 18:43:35,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:43:35,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:43:35,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:43:35,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:43:35,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:43:35,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:43:35,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:43:35,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:43:35,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... [2019-12-07 18:43:35,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:43:35,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:43:35,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:43:35,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:43:35,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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 [2019-12-07 18:43:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:43:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:43:38,795 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:43:38,795 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:43:38,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:43:38 BoogieIcfgContainer [2019-12-07 18:43:38,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:43:38,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:43:38,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:43:38,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:43:38,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:43:35" (1/3) ... [2019-12-07 18:43:38,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602a3555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:43:38, skipping insertion in model container [2019-12-07 18:43:38,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:43:35" (2/3) ... [2019-12-07 18:43:38,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602a3555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:43:38, skipping insertion in model container [2019-12-07 18:43:38,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:43:38" (3/3) ... [2019-12-07 18:43:38,802 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_3.i [2019-12-07 18:43:38,812 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:43:38,818 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:43:38,828 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:43:38,842 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:43:38,842 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:43:38,842 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:43:38,842 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:43:38,842 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:43:38,843 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:43:38,843 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:43:38,843 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:43:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 18:43:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 18:43:38,855 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:43:38,856 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 18:43:38,856 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:43:38,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:43:38,860 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-12-07 18:43:38,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:43:38,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40926754] [2019-12-07 18:43:38,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/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 [2019-12-07 18:49:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:49:29,280 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:49:29,280 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:49:29,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:49:29,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:49:29 BoogieIcfgContainer [2019-12-07 18:49:29,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:49:29,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:49:29,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:49:29,501 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:49:29,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:43:38" (3/4) ... [2019-12-07 18:49:29,503 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:49:29,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b0bf8e96-f9b1-461e-973c-734fa517bb97/bin/uautomizer/witness.graphml [2019-12-07 18:49:29,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:49:29,531 INFO L168 Benchmark]: Toolchain (without parser) took 353904.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:29,531 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:49:29,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.65 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:29,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:29,532 INFO L168 Benchmark]: Boogie Preprocessor took 19.37 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:29,533 INFO L168 Benchmark]: RCFGBuilder took 2950.37 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:29,534 INFO L168 Benchmark]: TraceAbstraction took 350702.87 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:49:29,534 INFO L168 Benchmark]: Witness Printer took 28.83 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. [2019-12-07 18:49:29,536 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.65 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -188.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.37 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2950.37 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 350702.87 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Witness Printer took 28.83 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; [L13] COND TRUE !(result <= 1.001f && result >= -1.001f) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: UNSAFE, OverallTime: 350.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 342.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...