./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/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 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_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/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 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-cad4683 [2019-11-16 00:17:34,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:17:34,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:17:34,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:17:34,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:17:34,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:17:34,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:17:34,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:17:34,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:17:34,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:17:34,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:17:34,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:17:34,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:17:34,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:17:34,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:17:34,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:17:34,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:17:34,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:17:34,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:17:34,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:17:34,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:17:34,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:17:34,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:17:34,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:17:34,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:17:34,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:17:34,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:17:34,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:17:34,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:17:34,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:17:34,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:17:34,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:17:34,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:17:34,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:17:34,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:17:34,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:17:34,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:17:34,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:17:34,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:17:34,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:17:34,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:17:34,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:17:34,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:17:34,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:17:34,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:17:34,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:17:34,368 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:17:34,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:17:34,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:17:34,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:17:34,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:17:34,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:17:34,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:17:34,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:17:34,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:17:34,371 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:17:34,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:17:34,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:17:34,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:17:34,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:17:34,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:17:34,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:17:34,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:17:34,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:17:34,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:17:34,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:17:34,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:17:34,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:17:34,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:17:34,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:17:34,376 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_58257b52-ffbc-4118-9cd0-d56935711686/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2019-11-16 00:17:34,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:17:34,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:17:34,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:17:34,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:17:34,424 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:17:34,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-16 00:17:34,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/56c72c93d/a03e36cb7d984459acd541f571ca173d/FLAGec6358e1d [2019-11-16 00:17:34,891 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:17:34,892 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-16 00:17:34,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/56c72c93d/a03e36cb7d984459acd541f571ca173d/FLAGec6358e1d [2019-11-16 00:17:34,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/56c72c93d/a03e36cb7d984459acd541f571ca173d [2019-11-16 00:17:34,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:17:34,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:17:34,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:17:34,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:17:34,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:17:34,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:34" (1/1) ... [2019-11-16 00:17:34,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eed659a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:34, skipping insertion in model container [2019-11-16 00:17:34,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:34" (1/1) ... [2019-11-16 00:17:34,935 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:17:34,952 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:17:35,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:17:35,204 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:17:35,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:17:35,234 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:17:35,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35 WrapperNode [2019-11-16 00:17:35,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:17:35,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:17:35,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:17:35,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:17:35,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:17:35,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:17:35,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:17:35,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:17:35,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... [2019-11-16 00:17:35,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:17:35,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:17:35,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:17:35,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:17:35,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/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 [2019-11-16 00:17:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:17:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:17:35,478 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:17:35,478 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-16 00:17:35,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:35 BoogieIcfgContainer [2019-11-16 00:17:35,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:17:35,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:17:35,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:17:35,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:17:35,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:17:34" (1/3) ... [2019-11-16 00:17:35,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f1d436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:17:35, skipping insertion in model container [2019-11-16 00:17:35,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:35" (2/3) ... [2019-11-16 00:17:35,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f1d436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:17:35, skipping insertion in model container [2019-11-16 00:17:35,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:35" (3/3) ... [2019-11-16 00:17:35,487 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2019-11-16 00:17:35,497 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:17:35,503 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:17:35,515 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:17:35,537 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:17:35,537 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:17:35,538 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:17:35,538 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:17:35,538 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:17:35,538 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:17:35,539 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:17:35,539 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:17:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-16 00:17:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-16 00:17:35,562 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:17:35,563 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-16 00:17:35,565 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:17:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:17:35,570 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-16 00:17:35,578 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:17:35,578 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557999335] [2019-11-16 00:17:35,578 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:17:35,579 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:17:35,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:17:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:17:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:17:35,667 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:17:35,668 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:17:35,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:17:35 BoogieIcfgContainer [2019-11-16 00:17:35,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:17:35,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:17:35,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:17:35,684 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:17:35,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:35" (3/4) ... [2019-11-16 00:17:35,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:17:35,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:17:35,690 INFO L168 Benchmark]: Toolchain (without parser) took 772.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:17:35,691 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:17:35,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:17:35,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.94 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. [2019-11-16 00:17:35,693 INFO L168 Benchmark]: Boogie Preprocessor took 18.06 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. [2019-11-16 00:17:35,693 INFO L168 Benchmark]: RCFGBuilder took 193.45 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:17:35,694 INFO L168 Benchmark]: TraceAbstraction took 202.66 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:17:35,694 INFO L168 Benchmark]: Witness Printer took 4.81 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. [2019-11-16 00:17:35,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.94 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 18.06 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. * RCFGBuilder took 193.45 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 202.66 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.81 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, 8 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=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 0.1.24-cad4683 [2019-11-16 00:17:37,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:17:37,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:17:37,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:17:37,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:17:37,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:17:37,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:17:37,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:17:37,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:17:37,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:17:37,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:17:37,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:17:37,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:17:37,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:17:37,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:17:37,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:17:37,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:17:37,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:17:37,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:17:37,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:17:37,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:17:37,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:17:37,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:17:37,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:17:37,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:17:37,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:17:37,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:17:37,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:17:37,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:17:37,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:17:37,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:17:37,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:17:37,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:17:37,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:17:37,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:17:37,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:17:37,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:17:37,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:17:37,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:17:37,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:17:37,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:17:37,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 00:17:37,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:17:37,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:17:37,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:17:37,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:17:37,794 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:17:37,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:17:37,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:17:37,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:17:37,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:17:37,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:17:37,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:17:37,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:17:37,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:17:37,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:17:37,796 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:17:37,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:17:37,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:17:37,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:17:37,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:17:37,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:17:37,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:17:37,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:17:37,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:17:37,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:17:37,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:17:37,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:17:37,799 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:17:37,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:17:37,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:17:37,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:17:37,800 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_58257b52-ffbc-4118-9cd0-d56935711686/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 -> 4402e33c41c1296b5e4b682ed26fe5ca3b275006 [2019-11-16 00:17:37,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:17:37,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:17:37,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:17:37,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:17:37,845 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:17:37,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/../../sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-16 00:17:37,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/33ec81e46/47ff6bf7884d4e3a943afac78a7dfa88/FLAGcf2a031b3 [2019-11-16 00:17:38,262 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:17:38,262 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/sv-benchmarks/c/floats-cdfpl/sine_1.i [2019-11-16 00:17:38,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/33ec81e46/47ff6bf7884d4e3a943afac78a7dfa88/FLAGcf2a031b3 [2019-11-16 00:17:38,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/data/33ec81e46/47ff6bf7884d4e3a943afac78a7dfa88 [2019-11-16 00:17:38,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:17:38,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:17:38,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:17:38,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:17:38,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:17:38,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:38,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c73af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38, skipping insertion in model container [2019-11-16 00:17:38,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:38,659 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:17:38,676 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:17:38,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:17:38,874 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:17:38,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:17:38,918 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:17:38,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38 WrapperNode [2019-11-16 00:17:38,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:17:38,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:17:38,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:17:38,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:17:38,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:38,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:17:39,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:17:39,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:17:39,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:17:39,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... [2019-11-16 00:17:39,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:17:39,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:17:39,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:17:39,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:17:39,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/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 [2019-11-16 00:17:39,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:17:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:17:41,793 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:17:41,794 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-16 00:17:41,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:41 BoogieIcfgContainer [2019-11-16 00:17:41,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:17:41,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:17:41,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:17:41,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:17:41,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:17:38" (1/3) ... [2019-11-16 00:17:41,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22126541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:17:41, skipping insertion in model container [2019-11-16 00:17:41,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:38" (2/3) ... [2019-11-16 00:17:41,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22126541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:17:41, skipping insertion in model container [2019-11-16 00:17:41,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:41" (3/3) ... [2019-11-16 00:17:41,806 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2019-11-16 00:17:41,813 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:17:41,819 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:17:41,829 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:17:41,852 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:17:41,852 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:17:41,852 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:17:41,852 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:17:41,853 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:17:41,853 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:17:41,853 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:17:41,853 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:17:41,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-16 00:17:41,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-16 00:17:41,870 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:17:41,871 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-16 00:17:41,872 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:17:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:17:41,882 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-16 00:17:41,889 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:17:41,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526831784] [2019-11-16 00:17:41,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/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 [2019-11-16 00:25:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:25:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:25:35,562 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-16 00:25:35,563 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:25:35,764 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:25:35,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:25:35 BoogieIcfgContainer [2019-11-16 00:25:35,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:25:35,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:25:35,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:25:35,780 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:25:35,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:41" (3/4) ... [2019-11-16 00:25:35,783 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-16 00:25:35,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_58257b52-ffbc-4118-9cd0-d56935711686/bin/uautomizer/witness.graphml [2019-11-16 00:25:35,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:25:35,814 INFO L168 Benchmark]: Toolchain (without parser) took 477170.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:25:35,815 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:25:35,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.31 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 930.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:25:35,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 930.9 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:25:35,817 INFO L168 Benchmark]: Boogie Preprocessor took 22.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:25:35,817 INFO L168 Benchmark]: RCFGBuilder took 2760.92 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:25:35,818 INFO L168 Benchmark]: TraceAbstraction took 473983.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:25:35,819 INFO L168 Benchmark]: Witness Printer took 32.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:25:35,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.31 ms. Allocated memory is still 1.0 GB. Free memory was 941.6 MB in the beginning and 930.9 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 91.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 930.9 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2760.92 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 473983.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 32.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 473.9s, 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, 470.6s 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 proved your program to be incorrect! Received shutdown request...