./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f ............................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:35:40,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:35:40,737 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:35:40,743 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:35:40,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:35:40,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:35:40,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:35:40,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:35:40,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:35:40,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:35:40,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:35:40,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:35:40,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:35:40,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:35:40,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:35:40,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:35:40,749 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:35:40,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:35:40,751 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:35:40,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:35:40,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:35:40,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:35:40,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:35:40,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:35:40,754 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:35:40,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:35:40,755 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:35:40,755 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:35:40,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:35:40,756 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:35:40,756 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:35:40,757 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:35:40,757 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:35:40,757 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:35:40,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:35:40,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:35:40,758 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 03:35:40,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:35:40,765 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:35:40,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:35:40,766 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:35:40,766 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:35:40,766 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:35:40,766 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:35:40,766 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:35:40,766 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:35:40,766 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:35:40,767 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:35:40,767 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:35:40,768 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:35:40,768 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2018-12-02 03:35:40,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:35:40,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:35:40,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:35:40,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:35:40,800 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:35:40,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c [2018-12-02 03:35:40,843 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/a3306fba8/3fcd02c160cb485fbbdea329ece0f921/FLAG3d7f94397 [2018-12-02 03:35:41,150 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:35:41,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c [2018-12-02 03:35:41,154 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/a3306fba8/3fcd02c160cb485fbbdea329ece0f921/FLAG3d7f94397 [2018-12-02 03:35:41,577 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/a3306fba8/3fcd02c160cb485fbbdea329ece0f921 [2018-12-02 03:35:41,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:35:41,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:35:41,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:35:41,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:35:41,585 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:35:41,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79630fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41, skipping insertion in model container [2018-12-02 03:35:41,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:35:41,603 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:35:41,698 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:35:41,701 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:35:41,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:35:41,727 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:35:41,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41 WrapperNode [2018-12-02 03:35:41,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:35:41,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:35:41,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:35:41,728 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:35:41,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:35:41,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:35:41,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:35:41,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:35:41,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... [2018-12-02 03:35:41,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:35:41,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:35:41,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:35:41,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:35:41,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:35:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 03:35:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 03:35:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-02 03:35:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-02 03:35:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:35:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:35:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 03:35:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:35:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-02 03:35:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-02 03:35:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:35:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:35:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 03:35:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:35:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:35:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:35:41,947 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:35:41,948 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 03:35:41,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:35:41 BoogieIcfgContainer [2018-12-02 03:35:41,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:35:41,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:35:41,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:35:41,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:35:41,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:35:41" (1/3) ... [2018-12-02 03:35:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de97abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:35:41, skipping insertion in model container [2018-12-02 03:35:41,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:41" (2/3) ... [2018-12-02 03:35:41,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de97abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:35:41, skipping insertion in model container [2018-12-02 03:35:41,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:35:41" (3/3) ... [2018-12-02 03:35:41,952 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a_true-unreach-call.c [2018-12-02 03:35:41,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:35:41,962 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:35:41,970 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:35:41,986 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:35:41,987 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:35:41,987 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:35:41,987 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:35:41,987 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:35:41,987 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:35:41,987 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:35:41,987 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:35:41,987 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:35:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-12-02 03:35:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:35:42,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:35:42,003 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:35:42,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:35:42,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:35:42,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2010282984, now seen corresponding path program 1 times [2018-12-02 03:35:42,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:35:42,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:35:42,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:35:42,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:35:42,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:35:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:35:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:35:42,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:35:42,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:35:42,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:35:42,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:35:42,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:35:42,092 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2018-12-02 03:35:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:35:42,104 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2018-12-02 03:35:42,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:35:42,104 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-02 03:35:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:35:42,109 INFO L225 Difference]: With dead ends: 56 [2018-12-02 03:35:42,109 INFO L226 Difference]: Without dead ends: 28 [2018-12-02 03:35:42,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:35:42,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-02 03:35:42,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-02 03:35:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-02 03:35:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-12-02 03:35:42,132 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 17 [2018-12-02 03:35:42,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:35:42,132 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-12-02 03:35:42,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:35:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-12-02 03:35:42,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 03:35:42,132 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:35:42,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:35:42,133 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:35:42,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:35:42,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1410255941, now seen corresponding path program 1 times [2018-12-02 03:35:42,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:35:42,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:35:42,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:35:42,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:35:42,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:35:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:35:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:35:42,174 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 03:35:42,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:35:42 BoogieIcfgContainer [2018-12-02 03:35:42,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:35:42,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:35:42,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:35:42,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:35:42,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:35:41" (3/4) ... [2018-12-02 03:35:42,192 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 03:35:42,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:35:42,193 INFO L168 Benchmark]: Toolchain (without parser) took 613.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,194 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:35:42,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.73 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.26 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,195 INFO L168 Benchmark]: Boogie Preprocessor took 47.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,195 INFO L168 Benchmark]: RCFGBuilder took 158.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,195 INFO L168 Benchmark]: TraceAbstraction took 241.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,196 INFO L168 Benchmark]: Witness Printer took 2.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:42,198 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.73 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.26 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 158.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 241.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 52]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L47] double x = 0.0; VAL [x=0] [L48] CALL, EXPR fabs_double(x) VAL [\old(x)=0] [L26] __uint32_t high; VAL [\old(x)=0, x=0] [L28] ieee_double_shape_type gh_u; [L29] gh_u.value = (x) [L30] EXPR gh_u.parts.msw [L30] (high) = gh_u.parts.msw [L33] ieee_double_shape_type sh_u; [L34] sh_u.value = (x) [L35] sh_u.parts.msw = (high & 0x7fffffff) [L36] EXPR sh_u.value [L36] (x) = sh_u.value [L38] return x; VAL [\old(x)=0, \result=0, high=22, x=0] [L48] RET, EXPR fabs_double(x) VAL [fabs_double(x)=0, x=0] [L48] double res = fabs_double(x); [L51] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=0, res == 0.0 && __signbit_double(res) == 0=0, x=0] [L51] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L52] __VERIFIER_error() VAL [res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:35:43,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:35:43,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:35:43,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:35:43,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:35:43,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:35:43,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:35:43,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:35:43,510 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:35:43,511 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:35:43,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:35:43,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:35:43,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:35:43,513 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:35:43,514 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:35:43,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:35:43,515 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:35:43,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:35:43,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:35:43,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:35:43,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:35:43,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:35:43,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:35:43,522 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:35:43,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:35:43,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:35:43,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:35:43,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:35:43,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:35:43,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:35:43,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:35:43,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:35:43,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:35:43,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:35:43,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:35:43,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:35:43,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 03:35:43,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:35:43,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:35:43,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:35:43,538 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:35:43,539 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:35:43,539 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:35:43,539 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:35:43,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:35:43,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 03:35:43,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:35:43,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:35:43,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:35:43,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 03:35:43,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2018-12-02 03:35:43,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:35:43,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:35:43,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:35:43,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:35:43,579 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:35:43,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c [2018-12-02 03:35:43,619 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/3dc6af98d/7fbbc9cfc0be46c8bab99ccc58d55850/FLAGc91b65ab1 [2018-12-02 03:35:43,946 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:35:43,947 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/sv-benchmarks/c/float-newlib/double_req_bl_1011a_true-unreach-call.c [2018-12-02 03:35:43,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/3dc6af98d/7fbbc9cfc0be46c8bab99ccc58d55850/FLAGc91b65ab1 [2018-12-02 03:35:44,360 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/data/3dc6af98d/7fbbc9cfc0be46c8bab99ccc58d55850 [2018-12-02 03:35:44,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:35:44,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:35:44,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:35:44,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:35:44,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:35:44,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44, skipping insertion in model container [2018-12-02 03:35:44,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:35:44,383 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:35:44,476 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:35:44,479 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:35:44,494 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:35:44,509 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:35:44,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44 WrapperNode [2018-12-02 03:35:44,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:35:44,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:35:44,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:35:44,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:35:44,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:35:44,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:35:44,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:35:44,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:35:44,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... [2018-12-02 03:35:44,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:35:44,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:35:44,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:35:44,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:35:44,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-12-02 03:35:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:35:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-02 03:35:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:35:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:35:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:35:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:35:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 03:35:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:35:44,699 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:35:44,717 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:35:44,735 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:35:44,754 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:35:44,754 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 03:35:44,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:35:44 BoogieIcfgContainer [2018-12-02 03:35:44,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:35:44,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:35:44,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:35:44,757 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:35:44,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:35:44" (1/3) ... [2018-12-02 03:35:44,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68076dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:35:44, skipping insertion in model container [2018-12-02 03:35:44,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:44" (2/3) ... [2018-12-02 03:35:44,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68076dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:35:44, skipping insertion in model container [2018-12-02 03:35:44,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:35:44" (3/3) ... [2018-12-02 03:35:44,759 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a_true-unreach-call.c [2018-12-02 03:35:44,764 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:35:44,768 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:35:44,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:35:44,794 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:35:44,794 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:35:44,794 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:35:44,794 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:35:44,795 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:35:44,795 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:35:44,795 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:35:44,795 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:35:44,795 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:35:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-12-02 03:35:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:35:44,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:35:44,808 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:35:44,809 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:35:44,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:35:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash -2010282984, now seen corresponding path program 1 times [2018-12-02 03:35:44,814 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:35:44,815 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 03:35:44,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:35:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:35:44,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:35:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:35:44,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:35:44,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:35:44,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:35:44,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:35:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:35:44,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:35:44,884 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2018-12-02 03:35:44,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:35:44,896 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2018-12-02 03:35:44,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:35:44,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-02 03:35:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:35:44,901 INFO L225 Difference]: With dead ends: 56 [2018-12-02 03:35:44,901 INFO L226 Difference]: Without dead ends: 28 [2018-12-02 03:35:44,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:35:44,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-02 03:35:44,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-02 03:35:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-02 03:35:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-12-02 03:35:44,924 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 17 [2018-12-02 03:35:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:35:44,924 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-12-02 03:35:44,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:35:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-12-02 03:35:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 03:35:44,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:35:44,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:35:44,925 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:35:44,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:35:44,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1410255941, now seen corresponding path program 1 times [2018-12-02 03:35:44,926 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:35:44,926 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 03:35:44,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:35:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:35:44,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:35:45,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-12-02 03:35:45,081 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2018-12-02 03:35:45,096 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-12-02 03:35:45,097 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 03:35:45,102 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:35:45,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:35:45,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 03:35:45,124 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:91, output treesize:52 [2018-12-02 03:35:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:35:45,282 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:35:45,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:35:45,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 03:35:45,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:35:45,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:35:45,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:35:45,291 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 9 states. [2018-12-02 03:35:45,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:35:45,734 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-12-02 03:35:45,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 03:35:45,735 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-12-02 03:35:45,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:35:45,735 INFO L225 Difference]: With dead ends: 31 [2018-12-02 03:35:45,735 INFO L226 Difference]: Without dead ends: 28 [2018-12-02 03:35:45,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-12-02 03:35:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-02 03:35:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-02 03:35:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-02 03:35:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-12-02 03:35:45,739 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 19 [2018-12-02 03:35:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:35:45,739 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-12-02 03:35:45,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:35:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-12-02 03:35:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 03:35:45,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:35:45,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:35:45,740 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:35:45,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:35:45,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1929382976, now seen corresponding path program 1 times [2018-12-02 03:35:45,740 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:35:45,741 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 03:35:45,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:35:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:35:45,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:35:45,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-12-02 03:35:45,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-12-02 03:35:45,833 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 03:35:45,837 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 03:35:45,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 03:35:45,849 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2018-12-02 03:35:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:35:46,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:35:46,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:35:46,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-02 03:35:46,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 03:35:46,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 03:35:46,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-12-02 03:35:46,252 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 14 states. [2018-12-02 03:35:47,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:35:47,380 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2018-12-02 03:35:47,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 03:35:47,381 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-12-02 03:35:47,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:35:47,381 INFO L225 Difference]: With dead ends: 28 [2018-12-02 03:35:47,381 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 03:35:47,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2018-12-02 03:35:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 03:35:47,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 03:35:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 03:35:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 03:35:47,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-12-02 03:35:47,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:35:47,383 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 03:35:47,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 03:35:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 03:35:47,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:35:47,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 03:35:47,433 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L444 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: (= |fabs_double_#in~x| fabs_double_~x) [2018-12-02 03:35:47,434 INFO L448 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 25 39) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L451 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 25 39) the Hoare annotation is: true [2018-12-02 03:35:47,434 INFO L448 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 25 39) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:35:47,434 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 14 24) no Hoare annotation was computed. [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 14 24) no Hoare annotation was computed. [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-12-02 03:35:47,435 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (= |__signbit_double_#in~x| __signbit_double_~x) [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-12-02 03:35:47,435 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 14 24) the Hoare annotation is: true [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:35:47,435 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 03:35:47,435 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:35:47,435 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 41 56) the Hoare annotation is: true [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 41 56) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L444 ceAbstractionStarter]: At program point L51-1(line 51) the Hoare annotation is: (and |main_#t~short8| (= (_ +zero 11 53) main_~x~0) (exists ((v_prenex_6 (_ BitVec 64)) (v_arrayElimCell_3 (_ BitVec 32))) (and (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) (_ +zero 11 53)) (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) v_prenex_6)) v_arrayElimCell_3))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) main_~res~0)))) [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L444 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: (= (_ +zero 11 53) main_~x~0) [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point L51-4(lines 51 54) no Hoare annotation was computed. [2018-12-02 03:35:47,436 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 41 56) no Hoare annotation was computed. [2018-12-02 03:35:47,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:35:47 BoogieIcfgContainer [2018-12-02 03:35:47,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:35:47,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:35:47,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:35:47,445 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:35:47,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:35:44" (3/4) ... [2018-12-02 03:35:47,448 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:35:47,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-12-02 03:35:47,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 03:35:47,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-02 03:35:47,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 03:35:47,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-02 03:35:47,459 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 03:35:47,459 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:35:47,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 03:35:47,476 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 03:35:47,487 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3e16c9e-8cc3-4a0b-a0de-b9991bec7520/bin-2019/uautomizer/witness.graphml [2018-12-02 03:35:47,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:35:47,487 INFO L168 Benchmark]: Toolchain (without parser) took 3124.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 943.4 MB in the beginning and 928.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 151.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:47,488 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:35:47,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:47,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.61 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:47,489 INFO L168 Benchmark]: Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:35:47,489 INFO L168 Benchmark]: RCFGBuilder took 209.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:47,489 INFO L168 Benchmark]: TraceAbstraction took 2689.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.7 MB in the end (delta: 165.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:47,490 INFO L168 Benchmark]: Witness Printer took 42.62 ms. Allocated memory is still 1.2 GB. Free memory was 934.7 MB in the beginning and 928.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:35:47,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.58 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.61 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.52 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 209.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2689.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.7 MB in the end (delta: 165.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 11.5 GB. * Witness Printer took 42.62 ms. Allocated memory is still 1.2 GB. Free memory was 934.7 MB in the beginning and 928.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 SDtfs, 23 SDslu, 288 SDs, 0 SdLazy, 151 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 55 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 20 QuantifiedInterpolants, 16848 SizeOfPredicates, 12 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...