./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e71375352cb0ad247550ffa746935e0806d4b0b5 ................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e71375352cb0ad247550ffa746935e0806d4b0b5 ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:03,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:03,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:03,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:03,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:03,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:03,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:03,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:03,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:03,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:03,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:03,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:03,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:03,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:03,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:03,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:03,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:03,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:03,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:03,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:03,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:03,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:03,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:03,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:03,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:03,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:03,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:03,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:03,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:03,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:03,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:03,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:03,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:03,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:03,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:03,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:03,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:03,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:03,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:03,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:03,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:03,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:03,687 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:03,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:03,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:03,688 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:03,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:03,689 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:03,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:03,689 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:03,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:03,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:03,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:03,690 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:03,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:03,691 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:03,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:03,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:03,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:03,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:03,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:03,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:03,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:03,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:03,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:03,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:03,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:03,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:03,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:03,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:03,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:03,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:03,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:03,694 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:03,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:03,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:03,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:03,695 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan 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 -> Taipan 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-10-22 11:23:03,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:03,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:03,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:03,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:03,742 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:03,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-10-22 11:23:03,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/81737f9bd/17a13e2587bc41659ae379586db81b9a/FLAG25da61c3f [2019-10-22 11:23:04,182 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:04,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-10-22 11:23:04,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/81737f9bd/17a13e2587bc41659ae379586db81b9a/FLAG25da61c3f [2019-10-22 11:23:04,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/81737f9bd/17a13e2587bc41659ae379586db81b9a [2019-10-22 11:23:04,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:04,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:04,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:04,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:04,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:04,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51cfaec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04, skipping insertion in model container [2019-10-22 11:23:04,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,224 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:04,242 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:04,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:04,547 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:04,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:04,600 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:04,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04 WrapperNode [2019-10-22 11:23:04,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:04,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:04,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:04,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:04,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:04,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:04,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:04,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:04,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... [2019-10-22 11:23:04,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:04,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:04,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:04,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:04,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 11:23:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 11:23:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-10-22 11:23:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:04,963 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:04,963 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-10-22 11:23:04,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:04 BoogieIcfgContainer [2019-10-22 11:23:04,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:04,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:04,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:04,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:04,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:04" (1/3) ... [2019-10-22 11:23:04,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb558ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:04, skipping insertion in model container [2019-10-22 11:23:04,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:04" (2/3) ... [2019-10-22 11:23:04,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb558ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:04, skipping insertion in model container [2019-10-22 11:23:04,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:04" (3/3) ... [2019-10-22 11:23:04,972 INFO L109 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2019-10-22 11:23:04,982 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:04,998 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:05,018 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:05,065 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:05,065 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:05,065 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:05,065 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:05,065 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:05,065 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:05,065 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:05,066 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-22 11:23:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:23:05,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:05,102 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:05,104 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:05,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:05,119 INFO L82 PathProgramCache]: Analyzing trace with hash 304794067, now seen corresponding path program 1 times [2019-10-22 11:23:05,129 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:05,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331405157] [2019-10-22 11:23:05,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:05,129 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:05,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:05,340 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:23:05,340 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:23:05,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:05 BoogieIcfgContainer [2019-10-22 11:23:05,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:05,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:05,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:05,364 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:05,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:04" (3/4) ... [2019-10-22 11:23:05,367 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:23:05,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:05,369 INFO L168 Benchmark]: Toolchain (without parser) took 1164.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:05,370 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:05,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:05,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:05,372 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:05,373 INFO L168 Benchmark]: RCFGBuilder took 282.42 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:05,374 INFO L168 Benchmark]: TraceAbstraction took 397.49 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:05,374 INFO L168 Benchmark]: Witness Printer took 3.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:05,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.72 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 282.42 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 397.49 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of to_real at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L11] BOOLEAN INIT1, INIT2; [L12] float X, P; [L16] static float E[2], S[2]; [L36] static float E2[2], S2[2]; VAL [E={1:0}, E2={2:0}, INIT1=0, INIT2=0, P=0, S={-1:0}, S2={-2:0}, X=0] [L56] X = 0 [L57] INIT1 = TRUE [L58] INIT2 = TRUE VAL [E={1:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={-1:0}, S2={-2:0}] [L59] COND TRUE \read(TRUE) [L60] X = 0.98*X + 85. VAL [E={1:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={-1:0}, S2={-2:0}] [L61] COND FALSE !(X >= -400. && X <= 400.) VAL [E={1:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={-1:0}, S2={-2:0}] [L66] COND FALSE !(X >= -800. && X <= 800.) VAL [E={1:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={-1:0}, S2={-2:0}] [L7] COND TRUE !(cond) VAL [E={1:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={-1:0}, S2={-2:0}] [L7] __VERIFIER_error() VAL [E={1:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={-1:0}, S2={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:07,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:07,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:07,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:07,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:07,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:07,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:07,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:07,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:07,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:07,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:07,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:07,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:07,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:07,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:07,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:07,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:07,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:07,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:07,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:07,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:07,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:07,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:07,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:07,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:07,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:07,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:07,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:07,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:07,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:07,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:07,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:07,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:07,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:07,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:07,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:07,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:07,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:07,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:07,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:07,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:07,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:07,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:07,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:07,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:07,503 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:07,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:07,503 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:07,503 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:07,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:07,504 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:07,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:07,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:07,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:07,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:07,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:07,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:07,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:07,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:07,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:07,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:07,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:07,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:07,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:07,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:07,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:07,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:07,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:07,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:07,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:07,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:07,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:07,513 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:07,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:07,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:07,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:07,514 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan 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 -> Taipan 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 -> e71375352cb0ad247550ffa746935e0806d4b0b5 [2019-10-22 11:23:07,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:07,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:07,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:07,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:07,570 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:07,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-10-22 11:23:07,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/0fdfd2ba8/85572570e5764dfab57817b72e609cd3/FLAG317f4ae63 [2019-10-22 11:23:08,057 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:08,057 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-10-22 11:23:08,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/0fdfd2ba8/85572570e5764dfab57817b72e609cd3/FLAG317f4ae63 [2019-10-22 11:23:08,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/data/0fdfd2ba8/85572570e5764dfab57817b72e609cd3 [2019-10-22 11:23:08,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:08,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:08,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:08,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:08,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:08,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9050e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08, skipping insertion in model container [2019-10-22 11:23:08,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,438 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:08,458 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:08,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:08,701 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:08,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:08,790 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:08,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08 WrapperNode [2019-10-22 11:23:08,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:08,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:08,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:08,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:08,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:08,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:08,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:08,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:08,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... [2019-10-22 11:23:08,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:08,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:08,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:08,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:08,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdba1c0e-0f77-4e13-a360-b4fef0fd91b1/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-10-22 11:23:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-10-22 11:23:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-10-22 11:23:19,895 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-10-22 11:23:19,897 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:214) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:722) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:650) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 26 more [2019-10-22 11:23:19,902 INFO L168 Benchmark]: Toolchain (without parser) took 11479.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:19,903 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:19,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.06 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 932.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:19,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 932.2 MB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:19,908 INFO L168 Benchmark]: Boogie Preprocessor took 35.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:19,909 INFO L168 Benchmark]: RCFGBuilder took 10954.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:19,913 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.06 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 932.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 932.2 MB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10954.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...