./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan --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 Taipan --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: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan --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 Taipan --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 0.1.24-6b5699a [2019-11-26 02:30:17,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:30:17,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:30:17,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:30:17,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:30:17,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:30:17,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:30:17,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:30:17,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:30:17,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:30:17,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:30:17,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:30:17,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:30:17,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:30:17,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:30:17,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:30:17,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:30:17,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:30:17,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:30:17,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:30:17,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:30:17,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:30:17,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:30:17,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:30:17,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:30:17,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:30:17,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:30:17,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:30:17,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:30:17,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:30:17,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:30:17,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:30:17,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:30:17,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:30:17,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:30:17,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:30:17,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:30:17,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:30:17,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:30:17,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:30:17,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:30:17,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:30:17,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:30:17,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:30:17,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:30:17,597 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:30:17,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:30:17,598 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:30:17,598 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:30:17,598 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:30:17,598 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:30:17,598 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:30:17,599 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:30:17,599 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:30:17,599 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:30:17,599 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:30:17,599 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:30:17,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:30:17,600 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:30:17,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:30:17,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:30:17,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:30:17,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:30:17,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:30:17,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:30:17,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:30:17,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:30:17,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:30:17,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:30:17,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:30:17,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:30:17,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:30:17,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:30:17,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:30:17,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:30:17,603 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:30:17,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:30:17,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:30:17,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:30:17,604 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan 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 -> Taipan 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 [2019-11-26 02:30:17,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:30:17,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:30:17,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:30:17,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:30:17,761 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:30:17,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-26 02:30:17,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/5ffc7265e/b1ea46cc36ee4fc085018eb8fdd6b84f/FLAG7a29f6c79 [2019-11-26 02:30:18,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:30:18,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-26 02:30:18,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/5ffc7265e/b1ea46cc36ee4fc085018eb8fdd6b84f/FLAG7a29f6c79 [2019-11-26 02:30:18,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/5ffc7265e/b1ea46cc36ee4fc085018eb8fdd6b84f [2019-11-26 02:30:18,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:30:18,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:30:18,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:18,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:30:18,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:30:18,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a794ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18, skipping insertion in model container [2019-11-26 02:30:18,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:30:18,578 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:30:18,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:18,718 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:30:18,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:18,807 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:30:18,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18 WrapperNode [2019-11-26 02:30:18,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:18,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:18,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:30:18,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:30:18,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:18,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:30:18,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:30:18,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:30:18,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... [2019-11-26 02:30:18,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:30:18,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:30:18,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:30:18,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:30:18,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/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 [2019-11-26 02:30:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:30:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:30:19,044 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:30:19,045 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:30:19,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:19 BoogieIcfgContainer [2019-11-26 02:30:19,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:30:19,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:30:19,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:30:19,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:30:19,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:30:18" (1/3) ... [2019-11-26 02:30:19,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6579bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:30:19, skipping insertion in model container [2019-11-26 02:30:19,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:18" (2/3) ... [2019-11-26 02:30:19,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6579bba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:30:19, skipping insertion in model container [2019-11-26 02:30:19,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:19" (3/3) ... [2019-11-26 02:30:19,052 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2019-11-26 02:30:19,060 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:30:19,065 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:30:19,075 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:30:19,094 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:30:19,094 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:30:19,095 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:30:19,095 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:30:19,095 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:30:19,095 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:30:19,095 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:30:19,095 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:30:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-26 02:30:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:30:19,116 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:30:19,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-26 02:30:19,117 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:30:19,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:30:19,122 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-26 02:30:19,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:30:19,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368580169] [2019-11-26 02:30:19,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:30:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:19,228 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:30:19,229 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:30:19,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:30:19 BoogieIcfgContainer [2019-11-26 02:30:19,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:30:19,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:30:19,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:30:19,248 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:30:19,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:19" (3/4) ... [2019-11-26 02:30:19,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:30:19,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:30:19,254 INFO L168 Benchmark]: Toolchain (without parser) took 705.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:19,255 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:19,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:19,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.40 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. [2019-11-26 02:30:19,256 INFO L168 Benchmark]: Boogie Preprocessor took 15.75 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:19,257 INFO L168 Benchmark]: RCFGBuilder took 197.12 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:19,257 INFO L168 Benchmark]: TraceAbstraction took 200.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:19,258 INFO L168 Benchmark]: Witness Printer took 4.77 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. [2019-11-26 02:30:19,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.40 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. * Boogie Preprocessor took 15.75 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 197.12 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 200.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.77 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; [L13] COND TRUE !(result <= 0.99 && result >= -0.99) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, 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=6occurred 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 0.1.24-6b5699a [2019-11-26 02:30:20,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:30:20,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:30:21,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:30:21,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:30:21,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:30:21,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:30:21,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:30:21,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:30:21,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:30:21,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:30:21,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:30:21,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:30:21,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:30:21,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:30:21,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:30:21,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:30:21,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:30:21,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:30:21,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:30:21,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:30:21,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:30:21,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:30:21,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:30:21,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:30:21,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:30:21,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:30:21,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:30:21,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:30:21,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:30:21,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:30:21,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:30:21,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:30:21,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:30:21,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:30:21,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:30:21,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:30:21,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:30:21,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:30:21,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:30:21,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:30:21,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:30:21,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:30:21,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:30:21,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:30:21,101 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:30:21,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:30:21,101 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:30:21,101 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:30:21,102 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:30:21,102 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:30:21,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:30:21,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:30:21,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:30:21,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:30:21,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:30:21,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:30:21,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:30:21,105 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:30:21,105 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:30:21,105 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:30:21,106 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:30:21,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:30:21,106 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:30:21,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:30:21,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:30:21,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:30:21,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:30:21,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:30:21,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:30:21,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:30:21,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:30:21,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:30:21,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:30:21,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:30:21,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:30:21,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:30:21,110 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_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan 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 -> Taipan 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 [2019-11-26 02:30:21,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:30:21,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:30:21,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:30:21,432 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:30:21,432 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:30:21,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-26 02:30:21,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/2e07dcd69/ee14638432b7440d9938c49e661f0cf6/FLAG8dc472556 [2019-11-26 02:30:21,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:30:21,829 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-26 02:30:21,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/2e07dcd69/ee14638432b7440d9938c49e661f0cf6/FLAG8dc472556 [2019-11-26 02:30:22,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/data/2e07dcd69/ee14638432b7440d9938c49e661f0cf6 [2019-11-26 02:30:22,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:30:22,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:30:22,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:22,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:30:22,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:30:22,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ff811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22, skipping insertion in model container [2019-11-26 02:30:22,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:30:22,233 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:30:22,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:22,429 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:30:22,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:30:22,471 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:30:22,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22 WrapperNode [2019-11-26 02:30:22,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:30:22,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:22,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:30:22,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:30:22,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:30:22,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:30:22,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:30:22,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:30:22,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... [2019-11-26 02:30:22,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:30:22,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:30:22,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:30:22,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:30:22,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/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 [2019-11-26 02:30:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:30:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:30:25,662 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:30:25,662 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:30:25,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:25 BoogieIcfgContainer [2019-11-26 02:30:25,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:30:25,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:30:25,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:30:25,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:30:25,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:30:22" (1/3) ... [2019-11-26 02:30:25,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da619e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:30:25, skipping insertion in model container [2019-11-26 02:30:25,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:30:22" (2/3) ... [2019-11-26 02:30:25,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da619e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:30:25, skipping insertion in model container [2019-11-26 02:30:25,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:25" (3/3) ... [2019-11-26 02:30:25,676 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2019-11-26 02:30:25,682 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:30:25,689 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:30:25,699 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:30:25,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:30:25,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:30:25,719 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:30:25,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:30:25,719 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:30:25,719 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:30:25,719 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:30:25,719 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:30:25,729 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-26 02:30:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:30:25,733 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:30:25,734 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:30:25,734 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:30:25,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:30:25,739 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-26 02:30:25,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:30:25,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674965659] [2019-11-26 02:30:25,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/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 [2019-11-26 02:30:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:30:57,102 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-11-26 02:30:57,103 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:30:57,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:30:57,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:30:57 BoogieIcfgContainer [2019-11-26 02:30:57,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:30:57,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:30:57,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:30:57,320 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:30:57,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:30:25" (3/4) ... [2019-11-26 02:30:57,323 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:30:57,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b5eb4407-59c9-44c3-865d-cfb5bd668e77/bin/utaipan/witness.graphml [2019-11-26 02:30:57,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:30:57,361 INFO L168 Benchmark]: Toolchain (without parser) took 35155.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 3.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:57,361 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:30:57,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.34 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:57,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.40 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 944.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:57,363 INFO L168 Benchmark]: Boogie Preprocessor took 72.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:57,370 INFO L168 Benchmark]: RCFGBuilder took 3082.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:57,370 INFO L168 Benchmark]: TraceAbstraction took 31654.99 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:30:57,371 INFO L168 Benchmark]: Witness Printer took 38.57 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. [2019-11-26 02:30:57,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.34 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 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 35.40 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 944.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3082.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31654.99 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: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 38.57 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 <= 0.99 && result >= -0.99) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: UNSAFE, OverallTime: 31.5s, 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, 12.9s 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...