./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_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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 [2018-12-02 13:44:52,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:44:52,799 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:44:52,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:44:52,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:44:52,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:44:52,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:44:52,808 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:44:52,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:44:52,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:44:52,810 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:44:52,810 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:44:52,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:44:52,811 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:44:52,812 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:44:52,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:44:52,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:44:52,814 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:44:52,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:44:52,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:44:52,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:44:52,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:44:52,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:44:52,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:44:52,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:44:52,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:44:52,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:44:52,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:44:52,820 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:44:52,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:44:52,821 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:44:52,821 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:44:52,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:44:52,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:44:52,822 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:44:52,822 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:44:52,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:44:52,830 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:44:52,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:44:52,831 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:44:52,831 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:44:52,831 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:44:52,832 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:44:52,832 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:44:52,832 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:44:52,832 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:44:52,832 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:44:52,832 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:44:52,832 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:44:52,833 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:44:52,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:44:52,833 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:44:52,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:44:52,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:44:52,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:44:52,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:44:52,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:44:52,835 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:44:52,835 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:44:52,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:44:52,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:44:52,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:44:52,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:44:52,835 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:44:52,836 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:44:52,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:44:52,836 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:44:52,836 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_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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 [2018-12-02 13:44:52,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:44:52,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:44:52,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:44:52,868 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:44:52,869 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:44:52,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-02 13:44:52,914 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/112d766cd/6ac979dc6e354651a2e2303393ed758e/FLAG294417dfd [2018-12-02 13:44:53,292 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:44:53,292 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-02 13:44:53,296 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/112d766cd/6ac979dc6e354651a2e2303393ed758e/FLAG294417dfd [2018-12-02 13:44:53,304 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/112d766cd/6ac979dc6e354651a2e2303393ed758e [2018-12-02 13:44:53,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:44:53,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:44:53,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:44:53,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:44:53,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:44:53,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2133b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53, skipping insertion in model container [2018-12-02 13:44:53,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:44:53,324 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:44:53,419 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:44:53,423 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:44:53,441 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:44:53,453 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:44:53,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53 WrapperNode [2018-12-02 13:44:53,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:44:53,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:44:53,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:44:53,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:44:53,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:44:53,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:44:53,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:44:53,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:44:53,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... [2018-12-02 13:44:53,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:44:53,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:44:53,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:44:53,531 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:44:53,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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 [2018-12-02 13:44:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:44:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-12-02 13:44:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:44:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-12-02 13:44:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-12-02 13:44:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:44:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:44:53,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-02 13:44:53,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 13:44:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 13:44:53,700 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:44:53,701 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 13:44:53,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:53 BoogieIcfgContainer [2018-12-02 13:44:53,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:44:53,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:44:53,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:44:53,704 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:44:53,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:44:53" (1/3) ... [2018-12-02 13:44:53,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5340c650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:53, skipping insertion in model container [2018-12-02 13:44:53,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:53" (2/3) ... [2018-12-02 13:44:53,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5340c650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:53, skipping insertion in model container [2018-12-02 13:44:53,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:53" (3/3) ... [2018-12-02 13:44:53,706 INFO L112 eAbstractionObserver]: Analyzing ICFG filter2_iterated_true-unreach-call.c [2018-12-02 13:44:53,712 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:44:53,717 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:44:53,727 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:44:53,745 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:44:53,745 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:44:53,745 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:44:53,745 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:44:53,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:44:53,745 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:44:53,745 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:44:53,745 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:44:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-12-02 13:44:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 13:44:53,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:44:53,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:44:53,761 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:44:53,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:44:53,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1347803043, now seen corresponding path program 1 times [2018-12-02 13:44:53,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:44:53,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:44:53,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:44:53,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:44:53,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:44:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:44:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 13:44:53,865 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 13:44:53,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:44:53 BoogieIcfgContainer [2018-12-02 13:44:53,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:44:53,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:44:53,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:44:53,886 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:44:53,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:53" (3/4) ... [2018-12-02 13:44:53,888 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 13:44:53,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:44:53,889 INFO L168 Benchmark]: Toolchain (without parser) took 582.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -159.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:44:53,890 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:44:53,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.20 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 941.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:44:53,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 941.7 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:44:53,891 INFO L168 Benchmark]: Boogie Preprocessor took 26.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-02 13:44:53,891 INFO L168 Benchmark]: RCFGBuilder took 170.39 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-12-02 13:44:53,892 INFO L168 Benchmark]: TraceAbstraction took 183.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:44:53,892 INFO L168 Benchmark]: Witness Printer took 2.91 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. [2018-12-02 13:44:53,894 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.20 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 941.7 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 49.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 941.7 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 170.39 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 183.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of to_real at line 56, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L11] BOOLEAN INIT1, INIT2; [L12] float X, P; [L16] static float E[2], S[2]; [L36] static float E2[2], S2[2]; VAL [\old(E)=20, \old(E)=12, \old(E2)=17, \old(E2)=25, \old(INIT1)=15, \old(INIT2)=24, \old(P)=23, \old(S)=9, \old(S)=19, \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 [2018-12-02 13:44:55,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:44:55,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:44:55,284 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:44:55,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:44:55,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:44:55,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:44:55,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:44:55,287 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:44:55,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:44:55,288 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:44:55,288 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:44:55,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:44:55,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:44:55,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:44:55,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:44:55,290 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:44:55,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:44:55,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:44:55,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:44:55,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:44:55,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:44:55,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:44:55,295 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:44:55,295 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:44:55,296 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:44:55,296 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:44:55,297 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:44:55,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:44:55,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:44:55,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:44:55,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:44:55,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:44:55,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:44:55,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:44:55,299 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:44:55,299 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 13:44:55,307 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:44:55,307 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:44:55,307 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:44:55,308 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:44:55,308 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:44:55,308 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:44:55,308 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:44:55,308 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:44:55,308 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:44:55,308 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:44:55,309 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:44:55,309 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:44:55,309 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:44:55,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:44:55,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:44:55,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:44:55,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:44:55,310 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 13:44:55,310 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 13:44:55,310 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:44:55,310 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:44:55,310 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 13:44:55,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:44:55,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:44:55,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:44:55,311 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 13:44:55,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:44:55,312 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 13:44:55,312 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 13:44:55,312 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_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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 [2018-12-02 13:44:55,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:44:55,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:44:55,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:44:55,340 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:44:55,341 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:44:55,341 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-02 13:44:55,376 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/6ded2997a/67c46b8ea56f42a080d37569dd486232/FLAGdf1899796 [2018-12-02 13:44:55,814 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:44:55,815 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/sv-benchmarks/c/float-benchs/filter2_iterated_true-unreach-call.c [2018-12-02 13:44:55,819 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/6ded2997a/67c46b8ea56f42a080d37569dd486232/FLAGdf1899796 [2018-12-02 13:44:55,828 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/bin-2019/utaipan/data/6ded2997a/67c46b8ea56f42a080d37569dd486232 [2018-12-02 13:44:55,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:44:55,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:44:55,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:44:55,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:44:55,834 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:44:55,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:55" (1/1) ... [2018-12-02 13:44:55,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c435b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:55, skipping insertion in model container [2018-12-02 13:44:55,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:55" (1/1) ... [2018-12-02 13:44:55,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:44:55,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:44:55,970 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:44:55,978 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:44:56,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:44:56,028 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:44:56,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56 WrapperNode [2018-12-02 13:44:56,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:44:56,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:44:56,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:44:56,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:44:56,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:44:56,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:44:56,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:44:56,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:44:56,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... [2018-12-02 13:44:56,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:44:56,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:44:56,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:44:56,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:44:56,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c3fb1e4-0ca5-4ebf-a65d-a6dbd4a79740/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 [2018-12-02 13:44:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:44:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:44:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure filter1 [2018-12-02 13:44:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure filter1 [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:44:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure filter2 [2018-12-02 13:44:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure filter2 [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:44:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 13:44:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 13:44:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 13:44:56,220 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:44:56,251 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:45:21,201 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 13:45:22,369 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-02 13:45:22,370 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$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 25 more [2018-12-02 13:45:22,372 INFO L168 Benchmark]: Toolchain (without parser) took 26542.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:45:22,373 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:45:22,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.55 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 13:45:22,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.88 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:45:22,374 INFO L168 Benchmark]: Boogie Preprocessor took 53.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -209.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:45:22,375 INFO L168 Benchmark]: RCFGBuilder took 26272.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:45:22,377 INFO L336 ainManager$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 197.55 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 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 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -209.1 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 26272.41 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: 32.2 MB). Peak memory consumption was 32.2 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...