./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.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_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/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 847ec304644081d839ca7e80209d45b391ec9937 ................................................................................................................................................................................................................... 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_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/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 847ec304644081d839ca7e80209d45b391ec9937 ............................................................................................................................................................................................ 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 19:23:09,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:23:09,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:23:09,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:23:09,686 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:23:09,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:23:09,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:23:09,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:23:09,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:23:09,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:23:09,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:23:09,691 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:23:09,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:23:09,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:23:09,693 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:23:09,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:23:09,694 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:23:09,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:23:09,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:23:09,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:23:09,698 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:23:09,699 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:23:09,701 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:23:09,701 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:23:09,701 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:23:09,702 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:23:09,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:23:09,703 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:23:09,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:23:09,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:23:09,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:23:09,705 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:23:09,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:23:09,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:23:09,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:23:09,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:23:09,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:23:09,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:23:09,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:23:09,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:23:09,717 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:23:09,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:23:09,718 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:23:09,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:23:09,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:23:09,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:23:09,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:23:09,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:23:09,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:23:09,719 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:23:09,719 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:23:09,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:23:09,720 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:23:09,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:23:09,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:23:09,720 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:23:09,720 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:23:09,720 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:23:09,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:23:09,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:23:09,721 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_92df8baf-9534-45d9-86b9-90ec50c0f162/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 -> 847ec304644081d839ca7e80209d45b391ec9937 [2018-11-18 19:23:09,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:23:09,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:23:09,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:23:09,766 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:23:09,767 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:23:09,767 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/../../sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.i [2018-11-18 19:23:09,811 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/b75db6261/a1ff75cdc3e94f74a7ee459873e5bf90/FLAGfa7726816 [2018-11-18 19:23:10,139 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:23:10,139 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.i [2018-11-18 19:23:10,143 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/b75db6261/a1ff75cdc3e94f74a7ee459873e5bf90/FLAGfa7726816 [2018-11-18 19:23:10,575 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/b75db6261/a1ff75cdc3e94f74a7ee459873e5bf90 [2018-11-18 19:23:10,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:23:10,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:23:10,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:23:10,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:23:10,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:23:10,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e791d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10, skipping insertion in model container [2018-11-18 19:23:10,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:23:10,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:23:10,705 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:23:10,707 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:23:10,716 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:23:10,723 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:23:10,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10 WrapperNode [2018-11-18 19:23:10,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:23:10,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:23:10,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:23:10,724 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:23:10,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:23:10,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:23:10,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:23:10,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:23:10,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:23:10,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:23:10,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:23:10,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:23:10,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/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 19:23:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:23:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:23:10,919 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:23:10,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:23:10 BoogieIcfgContainer [2018-11-18 19:23:10,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:23:10,920 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:23:10,920 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:23:10,928 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:23:10,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:23:10" (1/1) ... [2018-11-18 19:23:10,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:23:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:23:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 19:23:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 19:23:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 19:23:10,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:23:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 19:23:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 19:23:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 19:23:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 19:23:11,067 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 19:23:11,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:23:11 ImpRootNode [2018-11-18 19:23:11,078 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:23:11,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:23:11,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:23:11,078 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:23:11,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:23:10" (3/4) ... [2018-11-18 19:23:11,081 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 19:23:11,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:23:11,081 INFO L168 Benchmark]: Toolchain (without parser) took 503.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:23:11,082 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:23:11,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.27 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:23:11,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.61 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:23:11,084 INFO L168 Benchmark]: Boogie Preprocessor took 10.85 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:23:11,085 INFO L168 Benchmark]: RCFGBuilder took 166.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 19:23:11,086 INFO L168 Benchmark]: CodeCheck took 158.22 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:23:11,086 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:23:11,091 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, 9 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 12. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L14] COND TRUE !(result >= 0.0f && result < 1.5f) [L15] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.27 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 17.61 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.85 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 166.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * CodeCheck took 158.22 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: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. 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 19:23:12,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:23:12,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:23:12,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:23:12,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:23:12,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:23:12,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:23:12,540 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:23:12,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:23:12,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:23:12,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:23:12,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:23:12,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:23:12,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:23:12,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:23:12,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:23:12,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:23:12,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:23:12,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:23:12,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:23:12,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:23:12,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:23:12,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:23:12,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:23:12,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:23:12,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:23:12,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:23:12,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:23:12,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:23:12,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:23:12,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:23:12,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:23:12,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:23:12,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:23:12,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:23:12,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:23:12,558 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 19:23:12,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:23:12,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:23:12,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:23:12,569 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:23:12,569 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:23:12,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:23:12,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:23:12,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:23:12,570 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:23:12,570 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:23:12,570 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:23:12,570 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:23:12,571 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:23:12,571 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:23:12,572 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:23:12,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:23:12,572 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:23:12,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:23:12,572 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:23:12,572 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:23:12,573 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:23:12,573 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 19:23:12,573 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 19:23:12,573 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:23:12,573 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 19:23:12,573 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 19:23:12,573 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_92df8baf-9534-45d9-86b9-90ec50c0f162/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 -> 847ec304644081d839ca7e80209d45b391ec9937 [2018-11-18 19:23:12,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:23:12,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:23:12,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:23:12,614 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:23:12,614 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:23:12,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/../../sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.i [2018-11-18 19:23:12,659 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/f3444b296/108fdb52be97448e827cbe16be18f255/FLAG7e8de96f6 [2018-11-18 19:23:12,994 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:23:12,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/sv-benchmarks/c/floats-cdfpl/square_8_true-unreach-call_true-termination.i [2018-11-18 19:23:12,998 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/f3444b296/108fdb52be97448e827cbe16be18f255/FLAG7e8de96f6 [2018-11-18 19:23:13,433 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/bin-2019/ukojak/data/f3444b296/108fdb52be97448e827cbe16be18f255 [2018-11-18 19:23:13,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:23:13,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:23:13,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:23:13,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:23:13,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:23:13,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db1d14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13, skipping insertion in model container [2018-11-18 19:23:13,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:23:13,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:23:13,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:23:13,591 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:23:13,601 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:23:13,611 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:23:13,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13 WrapperNode [2018-11-18 19:23:13,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:23:13,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:23:13,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:23:13,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:23:13,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:23:13,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:23:13,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:23:13,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:23:13,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... [2018-11-18 19:23:13,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:23:13,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:23:13,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:23:13,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:23:13,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:23:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92df8baf-9534-45d9-86b9-90ec50c0f162/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 19:23:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:23:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:23:35,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:23:35,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:23:35 BoogieIcfgContainer [2018-11-18 19:23:35,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:23:35,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:23:35,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:23:35,933 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:23:35,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:23:35" (1/1) ... [2018-11-18 19:23:35,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:23:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:23:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 19:23:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 19:23:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 19:23:35,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:23:36,001 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 19:23:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 19:23:46,261 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 19:23:46,263 INFO L168 Benchmark]: Toolchain (without parser) took 32827.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:23:46,265 INFO L168 Benchmark]: CDTParser took 0.15 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 19:23:46,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.40 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 19:23:46,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.76 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 19:23:46,267 INFO L168 Benchmark]: Boogie Preprocessor took 13.82 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 19:23:46,267 INFO L168 Benchmark]: RCFGBuilder took 22281.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 19:23:46,268 INFO L168 Benchmark]: CodeCheck took 10335.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:23:46,272 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 0.15 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 174.40 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 18.76 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 13.82 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 22281.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * CodeCheck took 10335.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...