./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/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: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/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 0.1.23-635dfa2 [2018-12-09 19:45:32,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:45:32,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:45:32,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:45:32,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:45:32,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:45:32,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:45:32,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:45:32,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:45:32,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:45:32,240 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:45:32,240 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:45:32,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:45:32,241 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:45:32,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:45:32,242 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:45:32,243 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:45:32,244 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:45:32,245 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:45:32,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:45:32,246 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:45:32,247 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:45:32,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:45:32,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:45:32,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:45:32,248 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:45:32,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:45:32,249 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:45:32,250 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:45:32,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:45:32,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:45:32,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:45:32,251 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:45:32,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:45:32,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:45:32,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:45:32,252 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:45:32,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:45:32,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:45:32,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:45:32,261 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:45:32,261 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:45:32,261 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:45:32,261 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:45:32,261 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:45:32,261 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:45:32,261 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:45:32,262 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:45:32,262 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:45:32,262 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:45:32,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:45:32,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:45:32,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:45:32,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:45:32,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:45:32,264 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:45:32,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:45:32,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:45:32,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:45:32,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:45:32,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:45:32,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:45:32,265 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:45:32,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:45:32,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:45:32,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:45:32,265 INFO L133 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_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/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 [2018-12-09 19:45:32,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:45:32,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:45:32,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:45:32,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:45:32,293 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:45:32,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-09 19:45:32,328 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/93edd06f8/2e78ab6e071a46b0b1cbf74dc0c4e024/FLAG6cbbf2d24 [2018-12-09 19:45:32,745 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:45:32,745 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-09 19:45:32,749 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/93edd06f8/2e78ab6e071a46b0b1cbf74dc0c4e024/FLAG6cbbf2d24 [2018-12-09 19:45:32,757 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/93edd06f8/2e78ab6e071a46b0b1cbf74dc0c4e024 [2018-12-09 19:45:32,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:45:32,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:45:32,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:32,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:45:32,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:45:32,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99c7103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32, skipping insertion in model container [2018-12-09 19:45:32,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:45:32,778 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:45:32,873 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:45:32,877 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:45:32,894 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:45:32,907 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:45:32,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32 WrapperNode [2018-12-09 19:45:32,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:32,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:45:32,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:45:32,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:45:32,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:45:32,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:45:32,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:45:32,952 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:45:32,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... [2018-12-09 19:45:32,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:45:32,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:45:32,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:45:32,972 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:45:32,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/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 [2018-12-09 19:45:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:45:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-12-09 19:45:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:45:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-12-09 19:45:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:45:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-09 19:45:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 19:45:33,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 19:45:33,138 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:45:33,138 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:45:33,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:45:33 BoogieIcfgContainer [2018-12-09 19:45:33,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:45:33,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:45:33,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:45:33,141 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:45:33,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:45:32" (1/3) ... [2018-12-09 19:45:33,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56eb23c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:45:33, skipping insertion in model container [2018-12-09 19:45:33,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:32" (2/3) ... [2018-12-09 19:45:33,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56eb23c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:45:33, skipping insertion in model container [2018-12-09 19:45:33,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:45:33" (3/3) ... [2018-12-09 19:45:33,143 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated_true-unreach-call.c [2018-12-09 19:45:33,149 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:45:33,154 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:45:33,164 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:45:33,182 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:45:33,183 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:45:33,183 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:45:33,183 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:45:33,183 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:45:33,183 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:45:33,183 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:45:33,183 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:45:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-12-09 19:45:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 19:45:33,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:45:33,199 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:45:33,200 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:45:33,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:45:33,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1347803043, now seen corresponding path program 1 times [2018-12-09 19:45:33,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:45:33,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:45:33,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:45:33,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:45:33,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:45:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:45:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 19:45:33,301 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 19:45:33,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:45:33 BoogieIcfgContainer [2018-12-09 19:45:33,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:45:33,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:45:33,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:45:33,321 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:45:33,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:45:33" (3/4) ... [2018-12-09 19:45:33,324 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 19:45:33,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:45:33,325 INFO L168 Benchmark]: Toolchain (without parser) took 565.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -104.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:33,326 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:33,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.80 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 941.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:33,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:33,327 INFO L168 Benchmark]: Boogie Preprocessor took 20.05 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:33,327 INFO L168 Benchmark]: RCFGBuilder took 167.07 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:33,327 INFO L168 Benchmark]: TraceAbstraction took 181.85 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:45:33,328 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:45:33,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.80 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 941.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.05 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 167.07 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 181.85 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 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. * 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 [\old(E)=20, \old(E)=12, \old(E2)=17, \old(E2)=25, \old(INIT1)=15, \old(INIT2)=24, \old(P)=23, \old(S)=19, \old(S)=9, \old(S2)=13, \old(S2)=21, \old(X)=14, E={22:0}, E2={26:0}, INIT1=0, INIT2=0, P=0, S={11:0}, S2={16:0}, X=0] [L56] X = 0 [L57] INIT1 = TRUE [L58] INIT2 = TRUE VAL [\old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] [L59] COND TRUE \read(TRUE) [L60] X = 0.98*X + 85. VAL [\old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] [L61] COND FALSE !(X >= -400. && X <= 400.) VAL [\old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] [L66] COND FALSE !(X >= -800. && X <= 800.) VAL [\old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] [L72] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) VAL [\old(cond)=0, \old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] [L7] COND TRUE !(cond) VAL [\old(cond)=0, \old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, cond=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] [L7] __VERIFIER_error() VAL [\old(cond)=0, \old(INIT1)=0, \old(INIT2)=0, \old(P)=0, \old(X)=0, cond=0, E={22:0}, E2={26:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-635dfa2 [2018-12-09 19:45:34,638 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:45:34,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:45:34,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:45:34,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:45:34,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:45:34,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:45:34,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:45:34,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:45:34,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:45:34,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:45:34,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:45:34,650 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:45:34,651 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:45:34,651 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:45:34,652 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:45:34,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:45:34,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:45:34,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:45:34,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:45:34,655 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:45:34,656 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:45:34,657 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:45:34,657 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:45:34,657 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:45:34,658 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:45:34,658 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:45:34,659 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:45:34,659 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:45:34,660 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:45:34,660 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:45:34,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:45:34,661 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:45:34,661 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:45:34,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:45:34,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:45:34,662 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:45:34,669 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:45:34,669 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:45:34,670 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:45:34,670 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:45:34,670 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:45:34,670 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:45:34,670 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:45:34,671 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:45:34,671 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:45:34,671 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:45:34,671 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:45:34,671 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:45:34,672 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:45:34,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:45:34,673 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:45:34,673 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:45:34,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:45:34,673 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:45:34,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:45:34,673 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:45:34,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:45:34,674 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:45:34,675 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/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 [2018-12-09 19:45:34,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:45:34,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:45:34,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:45:34,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:45:34,703 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:45:34,703 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-09 19:45:34,739 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/42bd0ddcc/1334c731b4794029b5d975b4f1e924c1/FLAG045b7e56e [2018-12-09 19:45:35,153 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:45:35,153 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-09 19:45:35,157 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/42bd0ddcc/1334c731b4794029b5d975b4f1e924c1/FLAG045b7e56e [2018-12-09 19:45:35,165 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/utaipan/data/42bd0ddcc/1334c731b4794029b5d975b4f1e924c1 [2018-12-09 19:45:35,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:45:35,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:45:35,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:35,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:45:35,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:45:35,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c3bafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35, skipping insertion in model container [2018-12-09 19:45:35,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:45:35,192 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:45:35,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:45:35,309 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:45:35,336 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:45:35,352 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:45:35,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35 WrapperNode [2018-12-09 19:45:35,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:45:35,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:45:35,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:45:35,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:45:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:45:35,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:45:35,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:45:35,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:45:35,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... [2018-12-09 19:45:35,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:45:35,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:45:35,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:45:35,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:45:35,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:45:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a839d153-de1e-4976-bbdc-ead2a052e0f3/bin-2019/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 [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:45:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-12-09 19:45:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:45:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-12-09 19:45:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-12-09 19:45:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 19:45:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:45:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:45:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 19:45:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 19:45:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 19:45:35,558 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:45:35,581 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:46:00,440 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 19:46:01,578 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-09 19:46:01,579 FATAL L265 ToolchainWalker]: 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:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:213) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:173) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:715) 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$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:719) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:553) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 25 more [2018-12-09 19:46:01,581 INFO L168 Benchmark]: Toolchain (without parser) took 26414.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:46:01,583 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:46:01,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:46:01,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.88 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:46:01,584 INFO L168 Benchmark]: Boogie Preprocessor took 59.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:46:01,584 INFO L168 Benchmark]: RCFGBuilder took 26150.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:46:01,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.83 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 16.88 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 26150.93 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: 27.8 MB). Peak memory consumption was 27.8 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...