./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b865bb4da04412be07ba7e2426d2224bb04a2953 .................................................................................................................................................................................................................................................... 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_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b865bb4da04412be07ba7e2426d2224bb04a2953 ................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:32:23,816 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:32:23,818 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:32:23,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:32:23,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:32:23,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:32:23,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:32:23,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:32:23,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:32:23,833 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:32:23,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:32:23,834 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:32:23,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:32:23,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:32:23,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:32:23,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:32:23,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:32:23,839 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:32:23,841 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:32:23,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:32:23,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:32:23,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:32:23,846 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:32:23,846 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:32:23,846 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:32:23,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:32:23,856 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:32:23,857 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:32:23,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:32:23,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:32:23,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:32:23,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:32:23,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:32:23,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:32:23,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:32:23,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:32:23,862 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:32:23,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:32:23,874 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:32:23,875 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:32:23,875 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:32:23,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:32:23,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:32:23,876 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:32:23,876 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:32:23,876 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:32:23,876 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:32:23,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:32:23,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:32:23,878 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:32:23,878 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:32:23,878 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:32:23,878 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:32:23,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:32:23,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:32:23,878 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:32:23,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:32:23,879 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:32:23,879 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:32:23,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:32:23,881 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_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak 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 -> Kojak 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 -> b865bb4da04412be07ba7e2426d2224bb04a2953 [2018-11-18 12:32:23,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:32:23,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:32:23,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:32:23,916 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:32:23,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:32:23,917 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c [2018-11-18 12:32:23,963 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/cc418e0bf/67ac0afa5f65473e95642f87e7203284/FLAG9fdb169ec [2018-11-18 12:32:24,339 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:32:24,340 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c [2018-11-18 12:32:24,345 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/cc418e0bf/67ac0afa5f65473e95642f87e7203284/FLAG9fdb169ec [2018-11-18 12:32:24,735 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/cc418e0bf/67ac0afa5f65473e95642f87e7203284 [2018-11-18 12:32:24,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:32:24,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:32:24,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:24,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:32:24,742 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:32:24,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eba7e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24, skipping insertion in model container [2018-11-18 12:32:24,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:32:24,766 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:32:24,897 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:24,900 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:32:24,918 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:24,937 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:32:24,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24 WrapperNode [2018-11-18 12:32:24,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:24,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:24,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:32:24,939 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:32:24,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:24,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:32:24,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:32:24,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:32:24,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:24,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:25,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:25,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... [2018-11-18 12:32:25,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:32:25,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:32:25,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:32:25,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:32:25,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-18 12:32:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-18 12:32:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-18 12:32:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:32:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:32:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:32:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:32:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:32:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:32:25,509 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:32:25,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:25 BoogieIcfgContainer [2018-11-18 12:32:25,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:32:25,511 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:32:25,511 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:32:25,522 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:32:25,522 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:25" (1/1) ... [2018-11-18 12:32:25,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:25,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-18 12:32:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-18 12:32:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:32:25,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-18 12:32:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-18 12:32:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:32:25,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:25,795 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 12:32:25,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:32:25 ImpRootNode [2018-11-18 12:32:25,819 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:32:25,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:32:25,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:32:25,819 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:32:25,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:25" (3/4) ... [2018-11-18 12:32:25,824 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:32:25,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:32:25,825 INFO L168 Benchmark]: Toolchain (without parser) took 1087.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:25,826 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:25,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 946.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:25,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.59 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:25,828 INFO L168 Benchmark]: Boogie Preprocessor took 73.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:25,828 INFO L168 Benchmark]: RCFGBuilder took 468.73 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:25,830 INFO L168 Benchmark]: CodeCheck took 308.46 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:25,830 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:25,833 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L61] double x = 0.0 / 0.0; [L62] double y = 0.0 / 0.0; [L63] CALL, EXPR fmin_double(x, y) [L45] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L18] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L21] FCALL ieee_double_shape_type ew_u; [L22] FCALL ew_u.value = (x) [L23] EXPR, FCALL ew_u.parts.msw [L23] (msw) = ew_u.parts.msw [L24] EXPR, FCALL ew_u.parts.lsw [L24] (lsw) = ew_u.parts.lsw [L25] COND FALSE !(0) VAL [\old(x)=1, lsw=1, msw=4293918720, x=1] [L27-L28] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L30-L31] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L33-L34] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L37-L38] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L41] RET return 0; [L45] EXPR __fpclassify_double(x) [L45] COND TRUE __fpclassify_double(x) == 0 [L46] RET return y; [L63] EXPR fmin_double(x, y) [L63] double res = fmin_double(x, y); [L65] CALL, EXPR isnan_double(res) [L16] RET return x != x; [L65] EXPR isnan_double(res) [L65] COND TRUE !isnan_double(res) [L66] __VERIFIER_error() * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 946.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.59 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 468.73 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * CodeCheck took 308.46 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 12:32:27,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:32:27,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:32:27,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:32:27,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:32:27,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:32:27,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:32:27,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:32:27,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:32:27,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:32:27,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:32:27,669 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:32:27,670 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:32:27,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:32:27,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:32:27,672 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:32:27,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:32:27,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:32:27,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:32:27,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:32:27,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:32:27,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:32:27,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:32:27,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:32:27,682 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:32:27,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:32:27,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:32:27,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:32:27,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:32:27,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:32:27,686 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:32:27,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:32:27,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:32:27,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:32:27,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:32:27,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:32:27,689 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 12:32:27,700 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:32:27,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:32:27,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:32:27,701 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:32:27,701 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:32:27,702 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:32:27,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:32:27,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:32:27,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:32:27,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:32:27,702 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:32:27,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:32:27,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:32:27,703 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:32:27,704 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:32:27,704 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:32:27,704 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:32:27,704 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:32:27,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:32:27,705 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:32:27,705 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:32:27,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:32:27,705 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:32:27,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:32:27,706 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:32:27,706 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:32:27,707 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_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak 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 -> Kojak 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 -> b865bb4da04412be07ba7e2426d2224bb04a2953 [2018-11-18 12:32:27,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:32:27,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:32:27,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:32:27,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:32:27,754 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:32:27,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c [2018-11-18 12:32:27,805 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/965b804b0/e7df5e078c334e6db395137984a879e7/FLAG1535d0c72 [2018-11-18 12:32:28,153 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:32:28,153 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/sv-benchmarks/c/float-newlib/double_req_bl_1230_true-unreach-call.c [2018-11-18 12:32:28,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/965b804b0/e7df5e078c334e6db395137984a879e7/FLAG1535d0c72 [2018-11-18 12:32:28,167 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/data/965b804b0/e7df5e078c334e6db395137984a879e7 [2018-11-18 12:32:28,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:32:28,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:32:28,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:28,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:32:28,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:32:28,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191c3942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28, skipping insertion in model container [2018-11-18 12:32:28,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:32:28,205 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:32:28,356 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:28,360 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:32:28,381 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:28,404 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:32:28,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28 WrapperNode [2018-11-18 12:32:28,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:28,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:28,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:32:28,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:32:28,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:28,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:32:28,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:32:28,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:32:28,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... [2018-11-18 12:32:28,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:32:28,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:32:28,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:32:28,464 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:32:28,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-18 12:32:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 12:32:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-11-18 12:32:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-11-18 12:32:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:32:28,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:32:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:32:28,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:32:28,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:32:28,686 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:32:29,023 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:32:29,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:29 BoogieIcfgContainer [2018-11-18 12:32:29,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:32:29,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:32:29,025 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:32:29,034 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:32:29,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:29" (1/1) ... [2018-11-18 12:32:29,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-18 12:32:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-18 12:32:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:32:29,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:29,113 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 12:32:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:29,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:29,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-18 12:32:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 12:32:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:32:29,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:29,176 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 12:32:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:29,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2018-11-18 12:32:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 12:32:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:32:29,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:29,506 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 12:32:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:29,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:32:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2018-11-18 12:32:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-18 12:32:29,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:32:29,834 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-11-18 12:32:29,841 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:32:29,866 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:32:29,868 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:32:29,868 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:32:29,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:32:29 ImpRootNode [2018-11-18 12:32:29,869 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:32:29,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:32:29,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:32:29,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:32:29,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:29" (3/4) ... [2018-11-18 12:32:29,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:32:29,876 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2018-11-18 12:32:29,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-18 12:32:29,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:32:29,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:32:29,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:32:29,916 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b5d52bb-60c5-498f-aad0-e10b23e3ce48/bin-2019/ukojak/witness.graphml [2018-11-18 12:32:29,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:32:29,917 INFO L168 Benchmark]: Toolchain (without parser) took 1747.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:29,917 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:29,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:29,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.66 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:29,919 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:29,919 INFO L168 Benchmark]: RCFGBuilder took 560.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:29,919 INFO L168 Benchmark]: CodeCheck took 844.33 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: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:29,920 INFO L168 Benchmark]: Witness Printer took 46.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:29,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 88 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 19 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 66]: 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.66 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 560.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 844.33 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: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...