./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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 0.1.23-1dbac8b [2018-11-10 13:36:05,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:36:05,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:36:05,793 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:36:05,793 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:36:05,793 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:36:05,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:36:05,795 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:36:05,796 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:36:05,797 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:36:05,797 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:36:05,798 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:36:05,799 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:36:05,799 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:36:05,800 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:36:05,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:36:05,801 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:36:05,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:36:05,804 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:36:05,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:36:05,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:36:05,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:36:05,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:36:05,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:36:05,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:36:05,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:36:05,810 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:36:05,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:36:05,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:36:05,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:36:05,812 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:36:05,812 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:36:05,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:36:05,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:36:05,813 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:36:05,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:36:05,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:36:05,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:36:05,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:36:05,824 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:36:05,824 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:36:05,824 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:36:05,824 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:36:05,824 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:36:05,824 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:36:05,825 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:36:05,825 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:36:05,825 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:36:05,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:36:05,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:36:05,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:36:05,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:36:05,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:36:05,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:36:05,827 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:36:05,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:36:05,828 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:36:05,828 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_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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 [2018-11-10 13:36:05,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:36:05,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:36:05,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:36:05,864 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:36:05,864 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:36:05,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-11-10 13:36:05,898 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/ad0824ec0/25e127c3522841f0b6f2c80679b8cd6b/FLAGfdc6ef05d [2018-11-10 13:36:06,303 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:36:06,304 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-11-10 13:36:06,308 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/ad0824ec0/25e127c3522841f0b6f2c80679b8cd6b/FLAGfdc6ef05d [2018-11-10 13:36:06,316 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/ad0824ec0/25e127c3522841f0b6f2c80679b8cd6b [2018-11-10 13:36:06,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:36:06,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:36:06,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:06,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:36:06,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:36:06,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fa7d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06, skipping insertion in model container [2018-11-10 13:36:06,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:36:06,349 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:36:06,468 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:06,473 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:36:06,498 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:06,515 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:36:06,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06 WrapperNode [2018-11-10 13:36:06,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:06,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:06,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:36:06,517 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:36:06,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:06,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:36:06,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:36:06,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:36:06,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... [2018-11-10 13:36:06,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:36:06,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:36:06,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:36:06,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:36:06,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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 [2018-11-10 13:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:36:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:36:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-11-10 13:36:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-11-10 13:36:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:36:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-11-10 13:36:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-11-10 13:36:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 13:36:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 13:36:06,952 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:36:06,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:06 BoogieIcfgContainer [2018-11-10 13:36:06,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:36:06,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:36:06,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:36:06,955 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:36:06,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:36:06" (1/3) ... [2018-11-10 13:36:06,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f33d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:36:06, skipping insertion in model container [2018-11-10 13:36:06,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:06" (2/3) ... [2018-11-10 13:36:06,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f33d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:36:06, skipping insertion in model container [2018-11-10 13:36:06,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:06" (3/3) ... [2018-11-10 13:36:06,957 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated_true-unreach-call.c [2018-11-10 13:36:06,963 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:36:06,968 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:36:06,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:36:06,995 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:36:06,995 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:36:06,995 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:36:06,995 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:36:06,995 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:36:06,995 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:36:06,995 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:36:06,995 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:36:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-11-10 13:36:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:36:07,008 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:36:07,009 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:36:07,010 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:36:07,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:36:07,013 INFO L82 PathProgramCache]: Analyzing trace with hash -57560247, now seen corresponding path program 1 times [2018-11-10 13:36:07,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:36:07,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:36:07,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:36:07,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:36:07,056 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:36:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:36:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:36:07,147 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:36:07,159 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:36:07,160 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:36:07,160 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:36:07,160 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:36:07,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:36:07 BoogieIcfgContainer [2018-11-10 13:36:07,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:36:07,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:36:07,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:36:07,179 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:36:07,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:36:06" (3/4) ... [2018-11-10 13:36:07,182 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 13:36:07,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:36:07,183 INFO L168 Benchmark]: Toolchain (without parser) took 865.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:07,184 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:07,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:07,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:07,185 INFO L168 Benchmark]: Boogie Preprocessor took 75.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 943.0 MB in the beginning and 1.2 GB in the end (delta: -222.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:07,186 INFO L168 Benchmark]: RCFGBuilder took 323.12 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:07,186 INFO L168 Benchmark]: TraceAbstraction took 225.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:07,187 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:07,189 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 943.0 MB in the beginning and 1.2 GB in the end (delta: -222.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.12 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.85 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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 66, overapproximation of to_real at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L12] float X, P; [L11] BOOLEAN INIT1, INIT2; [L16] CALL static float E[2], S[2]; [L16] RET static float E[2], S[2]; [L16] RET static float E[2], S[2]; [L16] RET static float E[2], S[2]; [L16] RET static float E[2], S[2]; [L16] RET static float E[2], S[2]; [L16] RET static float E[2], S[2]; [L36] CALL static float E2[2], S2[2]; [L36] RET static float E2[2], S2[2]; [L36] RET static float E2[2], S2[2]; [L36] RET static float E2[2], S2[2]; [L36] RET static float E2[2], S2[2]; [L36] RET static float E2[2], S2[2]; [L36] RET static float E2[2], S2[2]; [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, 32 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=32occurred 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, 14 NumberOfCodeBlocks, 14 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 0.1.23-1dbac8b [2018-11-10 13:36:08,605 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:36:08,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:36:08,615 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:36:08,615 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:36:08,616 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:36:08,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:36:08,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:36:08,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:36:08,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:36:08,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:36:08,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:36:08,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:36:08,621 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:36:08,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:36:08,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:36:08,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:36:08,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:36:08,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:36:08,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:36:08,627 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:36:08,628 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:36:08,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:36:08,629 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:36:08,629 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:36:08,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:36:08,631 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:36:08,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:36:08,632 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:36:08,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:36:08,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:36:08,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:36:08,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:36:08,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:36:08,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:36:08,634 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:36:08,634 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 13:36:08,644 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:36:08,644 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:36:08,645 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:36:08,645 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:36:08,645 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:36:08,645 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:36:08,645 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:36:08,645 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:36:08,646 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:36:08,646 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:36:08,646 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:36:08,646 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:36:08,647 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:36:08,647 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:36:08,648 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:36:08,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:36:08,648 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:36:08,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:36:08,648 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:36:08,648 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:36:08,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:36:08,649 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 13:36:08,649 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:36:08,649 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 13:36:08,649 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 13:36:08,649 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_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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 [2018-11-10 13:36:08,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:36:08,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:36:08,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:36:08,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:36:08,691 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:36:08,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-11-10 13:36:08,728 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/e09d001a0/f806bcd5bd484abb9624fee68235c2ea/FLAG1793822dd [2018-11-10 13:36:09,051 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:36:09,052 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-11-10 13:36:09,058 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/e09d001a0/f806bcd5bd484abb9624fee68235c2ea/FLAG1793822dd [2018-11-10 13:36:09,067 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/bin-2019/utaipan/data/e09d001a0/f806bcd5bd484abb9624fee68235c2ea [2018-11-10 13:36:09,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:36:09,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:36:09,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:09,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:36:09,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:36:09,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f260e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09, skipping insertion in model container [2018-11-10 13:36:09,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:36:09,095 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:36:09,216 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:09,222 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:36:09,257 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:36:09,274 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:36:09,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09 WrapperNode [2018-11-10 13:36:09,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:36:09,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:09,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:36:09,275 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:36:09,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:36:09,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:36:09,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:36:09,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:36:09,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... [2018-11-10 13:36:09,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:36:09,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:36:09,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:36:09,352 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:36:09,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:36:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8fa5f1f8-202a-4e56-8ab2-8a88a3440cfd/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 [2018-11-10 13:36:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:36:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:36:09,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:36:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:36:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-11-10 13:36:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-11-10 13:36:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:36:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:36:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-11-10 13:36:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-11-10 13:36:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 13:36:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 13:36:09,603 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:36:09,647 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:36:35,074 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 13:36:41,870 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-10 13:36:41,870 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:213) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:173) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:719) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 25 more [2018-11-10 13:36:41,873 INFO L168 Benchmark]: Toolchain (without parser) took 32803.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 949.8 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:41,874 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:41,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.94 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:41,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.52 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:41,876 INFO L168 Benchmark]: Boogie Preprocessor took 36.88 ms. Allocated memory is still 1.0 GB. Free memory is still 927.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:36:41,876 INFO L168 Benchmark]: RCFGBuilder took 32520.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:36:41,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.94 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 932.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.52 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.88 ms. Allocated memory is still 1.0 GB. Free memory is still 927.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 32520.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 17.9 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...