./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_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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 [2018-12-08 19:27:15,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:27:15,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:27:15,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:27:15,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:27:15,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:27:15,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:27:15,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:27:15,101 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:27:15,102 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:27:15,102 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:27:15,102 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:27:15,103 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:27:15,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:27:15,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:27:15,104 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:27:15,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:27:15,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:27:15,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:27:15,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:27:15,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:27:15,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:27:15,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:27:15,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:27:15,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:27:15,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:27:15,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:27:15,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:27:15,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:27:15,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:27:15,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:27:15,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:27:15,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:27:15,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:27:15,113 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:27:15,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:27:15,113 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 19:27:15,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:27:15,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:27:15,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:27:15,121 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:27:15,121 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:27:15,121 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:27:15,121 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:27:15,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:27:15,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:27:15,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:27:15,123 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:27:15,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:27:15,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:27:15,124 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 19:27:15,124 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_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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 [2018-12-08 19:27:15,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:27:15,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:27:15,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:27:15,151 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:27:15,151 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:27:15,152 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-08 19:27:15,187 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/341a0d8cf/250441aea8544db6a934ac4af742b983/FLAG57a9c07fb [2018-12-08 19:27:15,596 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:27:15,596 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-08 19:27:15,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/341a0d8cf/250441aea8544db6a934ac4af742b983/FLAG57a9c07fb [2018-12-08 19:27:15,608 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/341a0d8cf/250441aea8544db6a934ac4af742b983 [2018-12-08 19:27:15,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:27:15,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:27:15,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:27:15,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:27:15,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:27:15,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15, skipping insertion in model container [2018-12-08 19:27:15,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:27:15,629 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:27:15,717 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:27:15,719 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:27:15,729 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:27:15,738 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:27:15,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15 WrapperNode [2018-12-08 19:27:15,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:27:15,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:27:15,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:27:15,739 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:27:15,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:27:15,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:27:15,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:27:15,751 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:27:15,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... [2018-12-08 19:27:15,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:27:15,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:27:15,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:27:15,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:27:15,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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 [2018-12-08 19:27:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN [2018-12-08 19:27:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN [2018-12-08 19:27:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:27:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:27:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:27:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:27:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2018-12-08 19:27:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2018-12-08 19:27:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:27:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:27:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 19:27:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 19:27:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure PADE_2_2 [2018-12-08 19:27:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure PADE_2_2 [2018-12-08 19:27:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2018-12-08 19:27:15,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2018-12-08 19:27:15,934 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:27:15,934 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 19:27:15,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:27:15 BoogieIcfgContainer [2018-12-08 19:27:15,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:27:15,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:27:15,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:27:15,936 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:27:15,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:27:15" (1/3) ... [2018-12-08 19:27:15,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1297cc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:27:15, skipping insertion in model container [2018-12-08 19:27:15,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:15" (2/3) ... [2018-12-08 19:27:15,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1297cc76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:27:15, skipping insertion in model container [2018-12-08 19:27:15,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:27:15" (3/3) ... [2018-12-08 19:27:15,938 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2018-12-08 19:27:15,944 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:27:15,947 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:27:15,956 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:27:15,973 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:27:15,973 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:27:15,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:27:15,974 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:27:15,974 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:27:15,974 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:27:15,974 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:27:15,974 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:27:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-08 19:27:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 19:27:15,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:27:15,989 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] [2018-12-08 19:27:15,990 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:27:15,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:27:15,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1783113702, now seen corresponding path program 1 times [2018-12-08 19:27:15,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 19:27:16,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:27:16,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:27:16,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:27:16,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 19:27:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:27:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:27:16,069 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 19:27:16,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:27:16 BoogieIcfgContainer [2018-12-08 19:27:16,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:27:16,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:27:16,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:27:16,086 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:27:16,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:27:15" (3/4) ... [2018-12-08 19:27:16,088 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 19:27:16,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:27:16,089 INFO L168 Benchmark]: Toolchain (without parser) took 478.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:16,090 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:16,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:27:16,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.37 ms. Allocated memory is still 1.0 GB. Free memory is still 940.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:16,091 INFO L168 Benchmark]: Boogie Preprocessor took 11.77 ms. Allocated memory is still 1.0 GB. Free memory was 940.0 MB in the beginning and 937.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:27:16,091 INFO L168 Benchmark]: RCFGBuilder took 171.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:27:16,091 INFO L168 Benchmark]: TraceAbstraction took 150.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:27:16,092 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:27:16,093 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.37 ms. Allocated memory is still 1.0 GB. Free memory is still 940.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.77 ms. Allocated memory is still 1.0 GB. Free memory was 940.0 MB in the beginning and 937.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.3 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 [2018-12-08 19:27:17,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:27:17,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:27:17,395 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:27:17,395 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:27:17,396 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:27:17,397 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:27:17,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:27:17,399 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:27:17,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:27:17,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:27:17,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:27:17,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:27:17,402 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:27:17,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:27:17,403 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:27:17,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:27:17,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:27:17,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:27:17,406 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:27:17,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:27:17,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:27:17,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:27:17,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:27:17,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:27:17,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:27:17,411 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:27:17,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:27:17,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:27:17,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:27:17,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:27:17,412 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:27:17,412 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:27:17,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:27:17,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:27:17,413 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:27:17,413 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 19:27:17,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:27:17,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:27:17,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:27:17,424 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:27:17,424 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 19:27:17,424 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 19:27:17,424 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 19:27:17,425 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 19:27:17,425 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 19:27:17,425 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 19:27:17,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:27:17,426 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 19:27:17,427 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 19:27:17,427 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:27:17,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:27:17,427 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:27:17,427 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:27:17,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:27:17,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:27:17,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:27:17,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:27:17,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:27:17,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:27:17,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:27:17,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:27:17,429 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 19:27:17,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:27:17,429 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 19:27:17,429 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 19:27:17,429 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_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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 [2018-12-08 19:27:17,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:27:17,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:27:17,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:27:17,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:27:17,463 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:27:17,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-08 19:27:17,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/d3c11dcd5/dba942f342bf469a8387c2d774df515d/FLAG5513abafc [2018-12-08 19:27:17,908 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:27:17,908 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/sv-benchmarks/c/float-benchs/arctan_Pade_true-unreach-call_true-termination.c [2018-12-08 19:27:17,912 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/d3c11dcd5/dba942f342bf469a8387c2d774df515d/FLAG5513abafc [2018-12-08 19:27:17,920 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/bin-2019/utaipan/data/d3c11dcd5/dba942f342bf469a8387c2d774df515d [2018-12-08 19:27:17,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:27:17,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:27:17,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:27:17,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:27:17,925 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:27:17,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:27:17" (1/1) ... [2018-12-08 19:27:17,927 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 08.12 07:27:17, skipping insertion in model container [2018-12-08 19:27:17,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:27:17" (1/1) ... [2018-12-08 19:27:17,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:27:17,940 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:27:18,027 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:27:18,030 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:27:18,041 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:27:18,050 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:27:18,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18 WrapperNode [2018-12-08 19:27:18,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:27:18,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:27:18,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:27:18,051 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:27:18,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:27:18,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:27:18,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:27:18,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:27:18,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... [2018-12-08 19:27:18,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:27:18,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:27:18,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:27:18,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:27:18,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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 [2018-12-08 19:27:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN [2018-12-08 19:27:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN [2018-12-08 19:27:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:27:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:27:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:27:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:27:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2018-12-08 19:27:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2018-12-08 19:27:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:27:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:27:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 19:27:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 19:27:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure PADE_2_2 [2018-12-08 19:27:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure PADE_2_2 [2018-12-08 19:27:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2018-12-08 19:27:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2018-12-08 19:27:21,374 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:27:21,374 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 19:27:21,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:27:21 BoogieIcfgContainer [2018-12-08 19:27:21,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:27:21,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:27:21,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:27:21,377 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:27:21,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:27:17" (1/3) ... [2018-12-08 19:27:21,378 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 08.12 07:27:21, skipping insertion in model container [2018-12-08 19:27:21,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:27:18" (2/3) ... [2018-12-08 19:27:21,378 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 08.12 07:27:21, skipping insertion in model container [2018-12-08 19:27:21,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:27:21" (3/3) ... [2018-12-08 19:27:21,379 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade_true-unreach-call_true-termination.c [2018-12-08 19:27:21,386 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:27:21,391 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:27:21,400 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:27:21,417 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:27:21,417 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:27:21,417 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:27:21,417 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:27:21,418 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:27:21,418 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:27:21,418 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:27:21,418 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:27:21,418 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:27:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-12-08 19:27:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 19:27:21,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:27:21,432 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] [2018-12-08 19:27:21,433 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:27:21,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:27:21,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1783113702, now seen corresponding path program 1 times [2018-12-08 19:27:21,439 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 19:27:21,439 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6fc69bf2-4532-446e-bdff-4e62a51b2b07/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 [2018-12-08 19:27:21,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:28:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:28:07,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:28:10,392 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 [2018-12-08 19:28:12,758 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 [2018-12-08 19:28:15,147 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 [2018-12-08 19:28:17,815 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 [2018-12-08 19:28:20,522 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 [2018-12-08 19:28:23,261 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 [2018-12-08 19:28:26,442 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 [2018-12-08 19:28:29,172 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 [2018-12-08 19:28:32,402 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 [2018-12-08 19:28:35,149 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 [2018-12-08 19:28:37,743 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 [2018-12-08 19:28:40,501 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 [2018-12-08 19:28:43,112 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 [2018-12-08 19:29:03,974 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-08 19:29:04,175 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2018-12-08 19:29:04,176 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 [2018-12-08 19:29:04,181 INFO L168 Benchmark]: Toolchain (without parser) took 106258.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -104.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:29:04,183 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. [2018-12-08 19:29:04,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.69 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 19:29:04,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.65 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:29:04,186 INFO L168 Benchmark]: Boogie Preprocessor took 15.81 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 19:29:04,187 INFO L168 Benchmark]: RCFGBuilder took 3293.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:29:04,188 INFO L168 Benchmark]: TraceAbstraction took 102804.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:29:04,191 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 127.69 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 13.65 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.81 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3293.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 102804.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 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...