./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.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_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/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 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ........................................................................................................................................................................................................................................................................................ 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_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/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 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 ........................................................................................................................................................................................................................................................................................ 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 [2018-12-03 03:44:21,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:44:21,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:44:21,508 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:44:21,508 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:44:21,509 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:44:21,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:44:21,511 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:44:21,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:44:21,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:44:21,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:44:21,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:44:21,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:44:21,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:44:21,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:44:21,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:44:21,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:44:21,518 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:44:21,519 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:44:21,520 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:44:21,521 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:44:21,522 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:44:21,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:44:21,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:44:21,524 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:44:21,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:44:21,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:44:21,526 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:44:21,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:44:21,527 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:44:21,527 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:44:21,528 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:44:21,528 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:44:21,528 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:44:21,529 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:44:21,529 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:44:21,529 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:44:21,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:44:21,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:44:21,541 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:44:21,541 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:44:21,541 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:44:21,541 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:44:21,541 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:44:21,541 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:44:21,541 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:44:21,542 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:44:21,542 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:44:21,542 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:44:21,542 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:44:21,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:44:21,542 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:44:21,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:44:21,543 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:44:21,544 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:44:21,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:44:21,544 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:44:21,545 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_1f7bf64c-df03-4e18-b5db-3d39055587e2/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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2018-12-03 03:44:21,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:44:21,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:44:21,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:44:21,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:44:21,577 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:44:21,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-03 03:44:21,615 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/774543cf2/0ee842b37166480bae25a69cec94a638/FLAG54cf20a71 [2018-12-03 03:44:22,050 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:44:22,051 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-03 03:44:22,054 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/774543cf2/0ee842b37166480bae25a69cec94a638/FLAG54cf20a71 [2018-12-03 03:44:22,064 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/774543cf2/0ee842b37166480bae25a69cec94a638 [2018-12-03 03:44:22,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:44:22,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:44:22,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:44:22,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:44:22,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:44:22,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c57853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22, skipping insertion in model container [2018-12-03 03:44:22,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:44:22,086 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:44:22,177 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:44:22,180 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:44:22,189 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:44:22,197 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:44:22,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22 WrapperNode [2018-12-03 03:44:22,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:44:22,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:44:22,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:44:22,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:44:22,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:44:22,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:44:22,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:44:22,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:44:22,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... [2018-12-03 03:44:22,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:44:22,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:44:22,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:44:22,221 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:44:22,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/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 [2018-12-03 03:44:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN [2018-12-03 03:44:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN [2018-12-03 03:44:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:44:22,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:44:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:44:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:44:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2018-12-03 03:44:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2018-12-03 03:44:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:44:22,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:44:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-03 03:44:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-03 03:44:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure PADE_2_2 [2018-12-03 03:44:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure PADE_2_2 [2018-12-03 03:44:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2018-12-03 03:44:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2018-12-03 03:44:22,389 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:44:22,390 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 03:44:22,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:22 BoogieIcfgContainer [2018-12-03 03:44:22,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:44:22,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:44:22,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:44:22,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:44:22,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:44:22" (1/3) ... [2018-12-03 03:44:22,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e03d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:44:22, skipping insertion in model container [2018-12-03 03:44:22,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:22" (2/3) ... [2018-12-03 03:44:22,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e03d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:44:22, skipping insertion in model container [2018-12-03 03:44:22,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:22" (3/3) ... [2018-12-03 03:44:22,394 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2018-12-03 03:44:22,400 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:44:22,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:44:22,418 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:44:22,440 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:44:22,440 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:44:22,440 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:44:22,440 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:44:22,440 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:44:22,440 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:44:22,440 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:44:22,440 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:44:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-03 03:44:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 03:44:22,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:44:22,456 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:44:22,457 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:44:22,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:44:22,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1783113702, now seen corresponding path program 1 times [2018-12-03 03:44:22,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:44:22,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:44:22,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:44:22,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:44:22,489 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:44:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 03:44:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 03:44:22,535 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 03:44:22,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:44:22 BoogieIcfgContainer [2018-12-03 03:44:22,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:44:22,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:44:22,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:44:22,552 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:44:22,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:22" (3/4) ... [2018-12-03 03:44:22,555 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 03:44:22,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:44:22,555 INFO L168 Benchmark]: Toolchain (without parser) took 488.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:44:22,556 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:44:22,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:44:22,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.70 ms. Allocated memory is still 1.0 GB. Free memory is still 942.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:44:22,557 INFO L168 Benchmark]: Boogie Preprocessor took 11.24 ms. Allocated memory is still 1.0 GB. Free memory was 942.7 MB in the beginning and 937.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 03:44:22,557 INFO L168 Benchmark]: RCFGBuilder took 168.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 937.4 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-03 03:44:22,558 INFO L168 Benchmark]: TraceAbstraction took 161.29 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-12-03 03:44:22,558 INFO L168 Benchmark]: Witness Printer took 2.80 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. [2018-12-03 03:44:22,560 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.27 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.70 ms. Allocated memory is still 1.0 GB. Free memory is still 942.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.24 ms. Allocated memory is still 1.0 GB. Free memory was 942.7 MB in the beginning and 937.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 168.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 937.4 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 161.29 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 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: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 49, overapproximation of someUnaryDOUBLEoperation at line 36, overapproximation of someBinaryArithmeticDOUBLEoperation at line 30. Possible FailurePath: [L15] const double Pi=3.141592653589793238; VAL [\old(Pi)=8, Pi=1570796326794896619/500000000000000000] [L42] double a, r; [L44] a = __VERIFIER_nondet_double() [L47] CALL, EXPR ARCTAN(a) VAL [\old(x)=7, Pi=1570796326794896619/500000000000000000] [L36] COND TRUE x < 0 VAL [\old(x)=7, Pi=1570796326794896619/500000000000000000, x=7] [L36] CALL, EXPR ARCTAN_POS(-x) VAL [Pi=1570796326794896619/500000000000000000] [L30] COND TRUE x > 1. VAL [\old(x)=5, Pi=1570796326794896619/500000000000000000, x=5] [L30] CALL, EXPR ARCTAN_0_1(1. / x) VAL [Pi=1570796326794896619/500000000000000000] [L25] CALL, EXPR PADE_2_2(x) VAL [\old(x)=3, Pi=1570796326794896619/500000000000000000] [L19] double x_2 = x*x; [L20] return 1. - x_2 / (3. + 9./5.*x_2); VAL [\old(x)=3, Pi=1570796326794896619/500000000000000000, x=3] [L25] RET, EXPR PADE_2_2(x) VAL [\old(x)=3, PADE_2_2(x)=4, Pi=1570796326794896619/500000000000000000, x=3] [L25] return x*PADE_2_2(x); [L30] RET, EXPR ARCTAN_0_1(1. / x) VAL [\old(x)=5, ARCTAN_0_1(1. / x)=6, Pi=1570796326794896619/500000000000000000, x=5] [L30] return Pi / 2. - ARCTAN_0_1(1. / x); [L36] RET, EXPR ARCTAN_POS(-x) VAL [\old(x)=7, ARCTAN_POS(-x)=9, Pi=1570796326794896619/500000000000000000, x=7] [L36] return -ARCTAN_POS(-x); [L47] RET, EXPR ARCTAN(a) VAL [a=7, ARCTAN(a)=2, Pi=1570796326794896619/500000000000000000] [L47] r = ARCTAN(a) [L49] CALL __VERIFIER_assert(r >= -1.571 && r <= 1.571) VAL [\old(cond)=0, Pi=1570796326794896619/500000000000000000] [L12] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, Pi=1570796326794896619/500000000000000000] [L12] __VERIFIER_error() VAL [\old(cond)=0, cond=0, Pi=1570796326794896619/500000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 44 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=44occurred 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, 32 NumberOfCodeBlocks, 32 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 [2018-12-03 03:44:23,954 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:44:23,955 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:44:23,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:44:23,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:44:23,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:44:23,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:44:23,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:44:23,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:44:23,964 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:44:23,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:44:23,964 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:44:23,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:44:23,965 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:44:23,966 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:44:23,966 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:44:23,966 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:44:23,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:44:23,968 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:44:23,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:44:23,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:44:23,970 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:44:23,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:44:23,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:44:23,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:44:23,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:44:23,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:44:23,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:44:23,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:44:23,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:44:23,973 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:44:23,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:44:23,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:44:23,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:44:23,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:44:23,974 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:44:23,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 03:44:23,981 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:44:23,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:44:23,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:44:23,982 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:44:23,982 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:44:23,982 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:44:23,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:44:23,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:44:23,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:44:23,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:44:23,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 03:44:23,985 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 03:44:23,985 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_1f7bf64c-df03-4e18-b5db-3d39055587e2/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 -> 8df1e49a9eb646d8ac7821b53cc17b33c788acf9 [2018-12-03 03:44:24,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:44:24,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:44:24,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:44:24,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:44:24,017 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:44:24,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-03 03:44:24,062 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/a078345ef/6b5111b6f0054becb85912b53f81329d/FLAG5ce367f7d [2018-12-03 03:44:24,446 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:44:24,446 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-03 03:44:24,451 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/a078345ef/6b5111b6f0054becb85912b53f81329d/FLAG5ce367f7d [2018-12-03 03:44:24,459 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/data/a078345ef/6b5111b6f0054becb85912b53f81329d [2018-12-03 03:44:24,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:44:24,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:44:24,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:44:24,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:44:24,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:44:24,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35441f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24, skipping insertion in model container [2018-12-03 03:44:24,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:44:24,485 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:44:24,584 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:44:24,587 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:44:24,599 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:44:24,608 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:44:24,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24 WrapperNode [2018-12-03 03:44:24,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:44:24,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:44:24,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:44:24,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:44:24,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:44:24,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:44:24,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:44:24,623 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:44:24,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... [2018-12-03 03:44:24,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:44:24,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:44:24,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:44:24,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:44:24,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/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 [2018-12-03 03:44:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN [2018-12-03 03:44:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN [2018-12-03 03:44:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:44:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:44:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:44:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:44:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2018-12-03 03:44:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2018-12-03 03:44:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:44:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:44:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-03 03:44:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-03 03:44:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure PADE_2_2 [2018-12-03 03:44:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure PADE_2_2 [2018-12-03 03:44:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2018-12-03 03:44:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2018-12-03 03:44:27,925 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:44:27,925 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 03:44:27,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:27 BoogieIcfgContainer [2018-12-03 03:44:27,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:44:27,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:44:27,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:44:27,929 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:44:27,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:44:24" (1/3) ... [2018-12-03 03:44:27,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616a9ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:44:27, skipping insertion in model container [2018-12-03 03:44:27,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:44:24" (2/3) ... [2018-12-03 03:44:27,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616a9ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:44:27, skipping insertion in model container [2018-12-03 03:44:27,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:44:27" (3/3) ... [2018-12-03 03:44:27,932 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2018-12-03 03:44:27,941 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:44:27,945 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:44:27,954 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:44:27,975 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 03:44:27,976 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:44:27,976 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:44:27,976 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:44:27,976 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:44:27,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:44:27,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:44:27,977 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:44:27,977 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:44:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-03 03:44:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 03:44:27,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:44:27,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:44:27,992 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:44:27,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:44:27,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1783113702, now seen corresponding path program 1 times [2018-12-03 03:44:27,998 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 03:44:27,998 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f7bf64c-df03-4e18-b5db-3d39055587e2/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-03 03:44:28,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:45:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:45:14,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:45:17,002 WARN L832 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (= |c_PADE_2_2_#res| (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse0 (fp.mul roundNearestTiesToEven |c_PADE_2_2_#in~x| |c_PADE_2_2_#in~x|))) (fp.div roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse0))))))) is different from false [2018-12-03 03:45:19,344 WARN L832 $PredicateComparison]: unable to prove that (and (= c_ARCTAN_0_1_~x |c_ARCTAN_0_1_#in~x|) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (= (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse0 (fp.mul roundNearestTiesToEven c_ARCTAN_0_1_~x c_ARCTAN_0_1_~x))) (fp.div roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse0))))) |c_ARCTAN_0_1_#t~ret0|)) is different from false [2018-12-03 03:45:21,723 WARN L832 $PredicateComparison]: unable to prove that (and (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (= (fp.mul roundNearestTiesToEven |c_ARCTAN_0_1_#in~x| (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse0 (fp.mul roundNearestTiesToEven |c_ARCTAN_0_1_#in~x| |c_ARCTAN_0_1_#in~x|))) (fp.div roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse0)))))) |c_ARCTAN_0_1_#res|)) is different from false [2018-12-03 03:45:24,385 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.gt |c_ARCTAN_POS_#in~x| .cse0) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (= |c_ARCTAN_POS_#t~ret1| (let ((.cse1 (fp.div roundNearestTiesToEven .cse0 |c_ARCTAN_POS_#in~x|))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven .cse0 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))))) is different from false [2018-12-03 03:45:27,084 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (fp.gt |c_ARCTAN_POS_#in~x| .cse0) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (= |c_ARCTAN_POS_#res| (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse1 (fp.div roundNearestTiesToEven .cse0 |c_ARCTAN_POS_#in~x|))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven .cse0 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2))))))))))) is different from false [2018-12-03 03:45:29,837 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse3 (fp.neg |c_ARCTAN_#in~x|)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))) |c_ARCTAN_#t~ret3|) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (fp.lt |c_ARCTAN_#in~x| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.gt .cse3 .cse1))) is different from false [2018-12-03 03:45:32,659 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (fp.neg |c_ARCTAN_#in~x|)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2)))))))) |c_ARCTAN_#t~ret3|) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (fp.lt |c_ARCTAN_#in~x| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.gt .cse3 .cse1))) is different from true [2018-12-03 03:45:35,405 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse3 (fp.neg |c_ARCTAN_#in~x|)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2))))))))) |c_ARCTAN_#res|) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (fp.lt |c_ARCTAN_#in~x| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.gt .cse3 .cse1))) is different from false [2018-12-03 03:45:38,156 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (fp.neg |c_ARCTAN_#in~x|)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (and (= (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse0 (fp.div roundNearestTiesToEven .cse1 .cse3))) (fp.mul roundNearestTiesToEven .cse0 (fp.sub roundNearestTiesToEven .cse1 (let ((.cse2 (fp.mul roundNearestTiesToEven .cse0 .cse0))) (fp.div roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse2))))))))) |c_ARCTAN_#res|) (= c_~Pi~0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0))) (fp.lt |c_ARCTAN_#in~x| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.gt .cse3 .cse1))) is different from true [2018-12-03 03:45:40,914 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~a~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse1 (fp.neg main_~a~0))) (and (fp.lt main_~a~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.leq main_~a~0 .cse0) (fp.geq main_~a~0 (fp.neg .cse0)) (fp.gt .cse1 .cse2) (= (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse3 (fp.div roundNearestTiesToEven .cse2 .cse1))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven .cse2 (let ((.cse4 (fp.mul roundNearestTiesToEven .cse3 .cse3))) (fp.div roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse4))))))))) |c_main_#t~ret6|)))) is different from false [2018-12-03 03:45:43,494 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~a~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse1 (fp.neg main_~a~0))) (and (fp.lt main_~a~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.leq main_~a~0 .cse0) (fp.geq main_~a~0 (fp.neg .cse0)) (fp.gt .cse1 .cse2) (= (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse3 (fp.div roundNearestTiesToEven .cse2 .cse1))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven .cse2 (let ((.cse4 (fp.mul roundNearestTiesToEven .cse3 .cse3))) (fp.div roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse4))))))))) |c_main_#t~ret6|)))) is different from true [2018-12-03 03:45:46,263 WARN L832 $PredicateComparison]: unable to prove that (exists ((main_~a~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse1 (fp.neg main_~a~0))) (and (fp.lt main_~a~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.leq main_~a~0 .cse0) (fp.geq main_~a~0 (fp.neg .cse0)) (fp.gt .cse1 .cse2) (= (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse3 (fp.div roundNearestTiesToEven .cse2 .cse1))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven .cse2 (let ((.cse4 (fp.mul roundNearestTiesToEven .cse3 .cse3))) (fp.div roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse4))))))))) c_main_~r~0)))) is different from false [2018-12-03 03:45:48,869 WARN L854 $PredicateComparison]: unable to prove that (exists ((main_~a~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse1 (fp.neg main_~a~0))) (and (fp.lt main_~a~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (fp.leq main_~a~0 .cse0) (fp.geq main_~a~0 (fp.neg .cse0)) (fp.gt .cse1 .cse2) (= (fp.neg (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1570796326794896619.0 500000000000000000.0)) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (let ((.cse3 (fp.div roundNearestTiesToEven .cse2 .cse1))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven .cse2 (let ((.cse4 (fp.mul roundNearestTiesToEven .cse3 .cse3))) (fp.div roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 3.0) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 9.0) ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) .cse4))))))))) c_main_~r~0)))) is different from true [2018-12-03 03:46:09,846 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-03 03:46:10,048 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2018-12-03 03:46:10,049 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.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:823) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) ... 39 more [2018-12-03 03:46:10,056 INFO L168 Benchmark]: Toolchain (without parser) took 105593.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -120.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-12-03 03:46:10,058 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-03 03:46:10,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.24 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:46:10,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.01 ms. Allocated memory is still 1.0 GB. Free memory is still 931.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:46:10,060 INFO L168 Benchmark]: Boogie Preprocessor took 15.73 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 03:46:10,060 INFO L168 Benchmark]: RCFGBuilder took 3286.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-03 03:46:10,061 INFO L168 Benchmark]: TraceAbstraction took 102127.77 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:46:10,063 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.24 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.01 ms. Allocated memory is still 1.0 GB. Free memory is still 931.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.73 ms. Allocated memory is still 1.0 GB. Free memory was 931.3 MB in the beginning and 925.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3286.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102127.77 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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.traceabstraction: 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...