./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/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/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/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 0.1.24-6b5699a [2019-11-26 02:56:47,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:56:47,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:56:47,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:56:47,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:56:47,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:56:47,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:56:48,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:56:48,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:56:48,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:56:48,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:56:48,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:56:48,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:56:48,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:56:48,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:56:48,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:56:48,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:56:48,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:56:48,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:56:48,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:56:48,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:56:48,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:56:48,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:56:48,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:56:48,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:56:48,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:56:48,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:56:48,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:56:48,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:56:48,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:56:48,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:56:48,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:56:48,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:56:48,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:56:48,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:56:48,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:56:48,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:56:48,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:56:48,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:56:48,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:56:48,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:56:48,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:56:48,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:56:48,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:56:48,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:56:48,104 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:56:48,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:56:48,105 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:56:48,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:56:48,105 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:56:48,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:56:48,106 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:56:48,106 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:56:48,106 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:56:48,107 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:56:48,107 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:56:48,107 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:56:48,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:56:48,108 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:56:48,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:56:48,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:56:48,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:56:48,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:56:48,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:56:48,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:56:48,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:56:48,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:56:48,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:56:48,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:56:48,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:56:48,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:56:48,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:56:48,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:56:48,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:56:48,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:56:48,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:56:48,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:56:48,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:56:48,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:56:48,115 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/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/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 [2019-11-26 02:56:48,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:56:48,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:56:48,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:56:48,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:56:48,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:56:48,344 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-26 02:56:48,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/7f2a5d1f8/0f6f86cb64a64b2eaa7db993b6a13d74/FLAG268ae76d1 [2019-11-26 02:56:48,899 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:56:48,902 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-26 02:56:48,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/7f2a5d1f8/0f6f86cb64a64b2eaa7db993b6a13d74/FLAG268ae76d1 [2019-11-26 02:56:49,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/7f2a5d1f8/0f6f86cb64a64b2eaa7db993b6a13d74 [2019-11-26 02:56:49,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:56:49,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:56:49,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:49,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:56:49,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:56:49,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d04370a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49, skipping insertion in model container [2019-11-26 02:56:49,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:56:49,326 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:56:49,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:56:49,653 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:56:49,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:56:49,708 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:56:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49 WrapperNode [2019-11-26 02:56:49,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:49,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:56:49,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:56:49,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:56:49,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:56:49,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:56:49,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:56:49,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:56:49,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... [2019-11-26 02:56:49,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:56:49,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:56:49,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:56:49,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:56:49,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/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 [2019-11-26 02:56:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-26 02:56:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-26 02:56:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:56:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:56:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-26 02:56:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:56:50,699 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:56:50,699 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-26 02:56:50,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:56:50 BoogieIcfgContainer [2019-11-26 02:56:50,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:56:50,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:56:50,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:56:50,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:56:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:56:49" (1/3) ... [2019-11-26 02:56:50,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd46a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:56:50, skipping insertion in model container [2019-11-26 02:56:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:49" (2/3) ... [2019-11-26 02:56:50,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd46a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:56:50, skipping insertion in model container [2019-11-26 02:56:50,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:56:50" (3/3) ... [2019-11-26 02:56:50,707 INFO L109 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2019-11-26 02:56:50,716 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:56:50,721 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:56:50,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:56:50,749 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:56:50,749 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:56:50,750 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:56:50,750 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:56:50,750 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:56:50,750 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:56:50,750 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:56:50,750 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:56:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-26 02:56:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:56:50,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:56:50,766 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:56:50,767 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:56:50,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:56:50,773 INFO L82 PathProgramCache]: Analyzing trace with hash 2628656, now seen corresponding path program 1 times [2019-11-26 02:56:50,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:56:50,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84885898] [2019-11-26 02:56:50,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:56:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:56:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:56:51,090 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:56:51,090 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:56:51,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:56:51 BoogieIcfgContainer [2019-11-26 02:56:51,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:56:51,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:56:51,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:56:51,124 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:56:51,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:56:50" (3/4) ... [2019-11-26 02:56:51,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:56:51,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:56:51,130 INFO L168 Benchmark]: Toolchain (without parser) took 1860.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:51,130 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:56:51,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.2 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:51,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.41 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:51,132 INFO L168 Benchmark]: Boogie Preprocessor took 33.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:56:51,133 INFO L168 Benchmark]: RCFGBuilder took 907.80 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:51,134 INFO L168 Benchmark]: TraceAbstraction took 421.89 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:51,134 INFO L168 Benchmark]: Witness Printer took 4.22 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. [2019-11-26 02:56:51,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.2 MB in the beginning and 1.2 GB in the end (delta: -222.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.41 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: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 907.80 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 421.89 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.22 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 61, overapproximation of to_real at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L12] float X, P; [L11] BOOLEAN INIT1, INIT2; [L16] static float E[2], S[2]; [L36] static float E2[2], S2[2]; [L56] X = 0 [L57] INIT1 = TRUE [L58] INIT2 = TRUE VAL [E={3:0}, E2={2:0}, INIT1=1, INIT2=1, P=0, S={6:0}, S2={5:0}] [L59] COND TRUE \read(TRUE) [L60] X = 0.98*X + 85. [L61] COND FALSE !(X >= -400. && X <= 400.) [L66] COND TRUE X >= -800. && X <= 800. [L37] COND TRUE \read(INIT2) [L38] S2[0] = 0.5*X [L39] P = X [L40] E2[0] = 0.8*X [L41] E2[1] = 0. [L42] S2[1] = 0. [L68] X = X - 50. [L69] INIT2 = FALSE [L7] COND TRUE !(cond) VAL [E={3:0}, E2={2:0}, INIT1=1, INIT2=0, P=0, S={6:0}, S2={5:0}, X=0] [L7] __VERIFIER_error() VAL [E={3:0}, E2={2:0}, INIT1=1, INIT2=0, P=0, S={6:0}, S2={5:0}, X=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, 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=6occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 0.1.24-6b5699a [2019-11-26 02:56:53,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:56:53,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:56:53,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:56:53,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:56:53,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:56:53,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:56:53,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:56:53,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:56:53,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:56:53,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:56:53,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:56:53,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:56:53,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:56:53,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:56:53,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:56:53,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:56:53,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:56:53,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:56:53,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:56:53,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:56:53,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:56:53,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:56:53,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:56:53,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:56:53,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:56:53,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:56:53,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:56:53,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:56:53,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:56:53,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:56:53,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:56:53,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:56:53,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:56:53,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:56:53,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:56:53,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:56:53,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:56:53,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:56:53,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:56:53,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:56:53,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:56:53,174 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:56:53,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:56:53,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:56:53,175 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:56:53,176 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:56:53,176 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:56:53,177 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:56:53,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:56:53,177 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:56:53,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:56:53,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:56:53,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:56:53,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:56:53,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:56:53,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:56:53,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:56:53,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:56:53,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:56:53,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:56:53,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:56:53,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:56:53,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:56:53,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:56:53,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:56:53,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:56:53,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:56:53,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:56:53,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:56:53,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:56:53,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:56:53,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:56:53,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:56:53,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:56:53,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:56:53,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:56:53,186 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/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/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 [2019-11-26 02:56:53,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:56:53,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:56:53,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:56:53,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:56:53,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:56:53,575 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-26 02:56:53,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/d16375cc7/96547080cb8d400abc4b4302e981d934/FLAG8ba50f5af [2019-11-26 02:56:54,112 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:56:54,115 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/sv-benchmarks/c/float-benchs/filter2_iterated.c [2019-11-26 02:56:54,121 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/d16375cc7/96547080cb8d400abc4b4302e981d934/FLAG8ba50f5af [2019-11-26 02:56:54,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/bin/utaipan/data/d16375cc7/96547080cb8d400abc4b4302e981d934 [2019-11-26 02:56:54,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:56:54,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:56:54,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:54,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:56:54,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:56:54,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:54,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f736c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54, skipping insertion in model container [2019-11-26 02:56:54,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:54,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:56:54,503 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:56:54,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:56:54,743 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:56:54,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:56:54,920 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:56:54,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54 WrapperNode [2019-11-26 02:56:54,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:54,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:56:54,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:56:54,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:56:54,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:54,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:54,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:56:54,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:56:54,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:56:54,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:56:55,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... [2019-11-26 02:56:55,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:56:55,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:56:55,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:56:55,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:56:55,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c12901ce-7cec-472d-8f2f-9f5e7139227e/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 [2019-11-26 02:56:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-26 02:56:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:56:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:56:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-26 02:56:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:56:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-26 02:57:32,078 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-26 02:57:32,079 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:653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:567) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 26 more [2019-11-26 02:57:32,084 INFO L168 Benchmark]: Toolchain (without parser) took 37620.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -99.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:32,085 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:57:32,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:32,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:57:32,090 INFO L168 Benchmark]: Boogie Preprocessor took 40.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:32,091 INFO L168 Benchmark]: RCFGBuilder took 37044.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:32,096 INFO L335 ainManager$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 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37044.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 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...