./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i --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_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/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 8571d6e044ba86c3b82c24f6ff451bf497f2aedf ....................................................................................................................................................................................................................... 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_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/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 8571d6e044ba86c3b82c24f6ff451bf497f2aedf ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:44:23,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:44:23,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:44:23,734 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:44:23,735 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:44:23,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:44:23,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:44:23,737 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:44:23,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:44:23,739 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:44:23,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:44:23,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:44:23,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:44:23,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:44:23,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:44:23,743 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:44:23,743 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:44:23,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:44:23,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:44:23,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:44:23,747 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:44:23,748 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:44:23,750 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:44:23,750 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:44:23,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:44:23,751 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:44:23,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:44:23,752 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:44:23,752 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:44:23,753 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:44:23,753 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:44:23,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:44:23,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:44:23,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:44:23,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:44:23,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:44:23,756 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:44:23,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:44:23,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:44:23,766 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:44:23,766 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:44:23,767 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:44:23,767 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:44:23,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:44:23,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:44:23,768 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:44:23,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:44:23,769 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:44:23,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:44:23,769 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:44:23,769 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:44:23,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:44:23,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:44:23,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:44:23,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:44:23,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:44:23,770 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:44:23,770 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:44:23,770 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:44:23,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:44:23,771 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_e6f7b255-401b-4703-b7db-78961ee81fd1/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 -> 8571d6e044ba86c3b82c24f6ff451bf497f2aedf [2018-11-18 13:44:23,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:44:23,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:44:23,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:44:23,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:44:23,803 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:44:23,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i [2018-11-18 13:44:23,836 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/ed69a61b1/0a9867a7f31b4610855e00dead348dae/FLAGe5077bb31 [2018-11-18 13:44:24,225 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:44:24,226 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i [2018-11-18 13:44:24,229 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/ed69a61b1/0a9867a7f31b4610855e00dead348dae/FLAGe5077bb31 [2018-11-18 13:44:24,240 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/ed69a61b1/0a9867a7f31b4610855e00dead348dae [2018-11-18 13:44:24,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:44:24,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:44:24,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:44:24,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:44:24,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:44:24,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24, skipping insertion in model container [2018-11-18 13:44:24,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:44:24,264 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:44:24,364 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:44:24,367 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:44:24,375 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:44:24,383 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:44:24,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24 WrapperNode [2018-11-18 13:44:24,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:44:24,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:44:24,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:44:24,384 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:44:24,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:44:24,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:44:24,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:44:24,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:44:24,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:44:24,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:44:24,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:44:24,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:44:24,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/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 13:44:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:44:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:44:24,601 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:44:24,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:44:24 BoogieIcfgContainer [2018-11-18 13:44:24,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:44:24,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:44:24,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:44:24,609 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:44:24,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:44:24" (1/1) ... [2018-11-18 13:44:24,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:44:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:44:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 13:44:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 13:44:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 13:44:24,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:44:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:44:24,701 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 13:44:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:44:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 13:44:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 13:44:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:44:24,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:44:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:44:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:44:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:44:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:44:24,738 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 13:44:24,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:44:24 ImpRootNode [2018-11-18 13:44:24,753 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:44:24,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:44:24,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:44:24,753 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:44:24,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:44:24" (3/4) ... [2018-11-18 13:44:24,757 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:44:24,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:44:24,758 INFO L168 Benchmark]: Toolchain (without parser) took 515.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:44:24,759 INFO L168 Benchmark]: CDTParser took 0.10 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 13:44:24,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.59 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:24,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.46 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:24,761 INFO L168 Benchmark]: Boogie Preprocessor took 45.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:24,761 INFO L168 Benchmark]: RCFGBuilder took 153.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:24,762 INFO L168 Benchmark]: CodeCheck took 150.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:24,762 INFO L168 Benchmark]: Witness Printer took 3.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:24,766 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 1 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L9] double x = 1.0; [L10] double x1 = x/2.5; [L12] COND FALSE !(x1 != x) [L18] CALL __VERIFIER_assert(x == 0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 140.59 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 18.46 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 153.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * CodeCheck took 150.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. 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 13:44:26,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:44:26,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:44:26,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:44:26,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:44:26,181 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:44:26,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:44:26,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:44:26,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:44:26,184 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:44:26,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:44:26,185 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:44:26,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:44:26,186 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:44:26,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:44:26,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:44:26,188 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:44:26,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:44:26,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:44:26,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:44:26,192 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:44:26,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:44:26,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:44:26,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:44:26,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:44:26,196 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:44:26,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:44:26,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:44:26,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:44:26,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:44:26,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:44:26,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:44:26,199 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:44:26,199 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:44:26,200 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:44:26,200 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:44:26,200 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 13:44:26,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:44:26,211 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:44:26,211 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:44:26,211 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:44:26,212 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:44:26,212 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:44:26,212 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:44:26,212 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:44:26,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:44:26,212 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:44:26,213 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:44:26,214 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:44:26,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:44:26,214 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:44:26,214 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:44:26,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:44:26,214 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:44:26,214 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:44:26,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:44:26,215 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:44:26,216 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_e6f7b255-401b-4703-b7db-78961ee81fd1/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 -> 8571d6e044ba86c3b82c24f6ff451bf497f2aedf [2018-11-18 13:44:26,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:44:26,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:44:26,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:44:26,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:44:26,253 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:44:26,254 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i [2018-11-18 13:44:26,289 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/eb715be81/f9f610471ad345478049dad8af73e5fe/FLAG1417e3612 [2018-11-18 13:44:26,609 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:44:26,609 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/sv-benchmarks/c/floats-esbmc-regression/Double_div_true-unreach-call.i [2018-11-18 13:44:26,612 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/eb715be81/f9f610471ad345478049dad8af73e5fe/FLAG1417e3612 [2018-11-18 13:44:27,046 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/bin-2019/ukojak/data/eb715be81/f9f610471ad345478049dad8af73e5fe [2018-11-18 13:44:27,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:44:27,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:44:27,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:44:27,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:44:27,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:44:27,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205badb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27, skipping insertion in model container [2018-11-18 13:44:27,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:44:27,071 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:44:27,177 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:44:27,182 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:44:27,190 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:44:27,200 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:44:27,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27 WrapperNode [2018-11-18 13:44:27,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:44:27,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:44:27,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:44:27,201 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:44:27,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:44:27,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:44:27,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:44:27,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:44:27,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... [2018-11-18 13:44:27,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:44:27,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:44:27,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:44:27,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:44:27,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:44:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6f7b255-401b-4703-b7db-78961ee81fd1/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 13:44:27,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:44:27,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:44:28,012 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:44:28,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:44:28 BoogieIcfgContainer [2018-11-18 13:44:28,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:44:28,013 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:44:28,013 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:44:28,021 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:44:28,021 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:44:28" (1/1) ... [2018-11-18 13:44:28,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:44:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:44:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 13:44:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 13:44:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 13:44:28,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:44:28,085 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 13:44:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:44:28,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:44:28,104 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 13:44:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:44:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 13:44:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 13:44:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:44:28,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:44:28,111 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 13:44:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:44:29,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:44:31,383 WARN L180 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 13:44:31,390 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 13:44:33,156 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 13:45:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:45:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 13:45:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 13:45:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 13:45:00,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:45:00,545 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 13:45:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:45:07,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:45:11,425 WARN L180 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 13:45:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:45:18,024 WARN L180 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 13 [2018-11-18 13:45:31,185 WARN L180 SmtUtils]: Spent 10.18 s on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 13:45:50,154 WARN L180 SmtUtils]: Spent 10.62 s on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 13:46:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:46:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-18 13:46:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-18 13:46:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 13:46:17,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:46:17,594 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 13:46:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 13:46:29,436 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 13:46:29,439 INFO L168 Benchmark]: Toolchain (without parser) took 122389.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -124.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:29,440 INFO L168 Benchmark]: CDTParser took 0.13 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 13:46:29,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.06 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:29,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:29,441 INFO L168 Benchmark]: Boogie Preprocessor took 15.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:46:29,441 INFO L168 Benchmark]: RCFGBuilder took 777.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:29,442 INFO L168 Benchmark]: CodeCheck took 121425.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:46:29,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.06 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 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 18.59 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 777.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 121425.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...