./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/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 34004772e6a1e54917776a817538fd6c8fd28f94 ........................................................................................................................................................................................................................................................................................................................................................... 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_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/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 34004772e6a1e54917776a817538fd6c8fd28f94 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:02:51,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:02:51,990 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:02:51,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:02:51,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:02:51,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:02:52,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:02:52,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:02:52,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:02:52,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:02:52,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:02:52,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:02:52,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:02:52,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:02:52,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:02:52,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:02:52,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:02:52,008 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:02:52,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:02:52,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:02:52,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:02:52,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:02:52,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:02:52,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:02:52,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:02:52,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:02:52,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:02:52,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:02:52,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:02:52,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:02:52,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:02:52,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:02:52,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:02:52,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:02:52,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:02:52,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:02:52,019 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:02:52,029 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:02:52,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:02:52,030 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:02:52,030 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:02:52,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:02:52,031 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:02:52,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:02:52,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:02:52,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:02:52,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:02:52,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:02:52,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:02:52,032 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:02:52,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:02:52,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:02:52,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:02:52,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:02:52,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:02:52,034 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:02:52,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:02:52,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:02:52,034 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:02:52,034 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_ab056ef9-10a5-4bcc-907d-1c12c77f456d/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-12-02 07:02:52,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:02:52,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:02:52,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:02:52,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:02:52,069 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:02:52,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 07:02:52,113 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/30ab84c84/cb32b6443056454c8bb1f9e8ad928682/FLAG91fad3326 [2018-12-02 07:02:52,460 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:02:52,460 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 07:02:52,464 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/30ab84c84/cb32b6443056454c8bb1f9e8ad928682/FLAG91fad3326 [2018-12-02 07:02:52,844 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/30ab84c84/cb32b6443056454c8bb1f9e8ad928682 [2018-12-02 07:02:52,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:02:52,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:02:52,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:02:52,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:02:52,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:02:52,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:02:52" (1/1) ... [2018-12-02 07:02:52,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79df640a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:52, skipping insertion in model container [2018-12-02 07:02:52,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:02:52" (1/1) ... [2018-12-02 07:02:52,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:02:52,868 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:02:52,972 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:02:52,976 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:02:52,999 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:02:53,041 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:02:53,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53 WrapperNode [2018-12-02 07:02:53,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:02:53,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:02:53,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:02:53,042 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:02:53,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:02:53,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:02:53,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:02:53,060 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:02:53,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... [2018-12-02 07:02:53,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:02:53,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:02:53,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:02:53,085 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:02:53,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:02:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-02 07:02:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-02 07:02:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-02 07:02:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-02 07:02:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:02:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:02:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:02:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:02:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-02 07:02:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:02:53,374 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:02:53,374 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 07:02:53,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:02:53 BoogieIcfgContainer [2018-12-02 07:02:53,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:02:53,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:02:53,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:02:53,378 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:02:53,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:02:52" (1/3) ... [2018-12-02 07:02:53,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439ec0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:02:53, skipping insertion in model container [2018-12-02 07:02:53,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:53" (2/3) ... [2018-12-02 07:02:53,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439ec0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:02:53, skipping insertion in model container [2018-12-02 07:02:53,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:02:53" (3/3) ... [2018-12-02 07:02:53,380 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-12-02 07:02:53,385 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:02:53,390 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:02:53,399 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:02:53,419 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:02:53,420 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:02:53,420 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:02:53,420 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:02:53,420 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:02:53,420 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:02:53,420 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:02:53,420 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:02:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-12-02 07:02:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 07:02:53,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:02:53,435 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] [2018-12-02 07:02:53,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:02:53,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:02:53,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1667828765, now seen corresponding path program 1 times [2018-12-02 07:02:53,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:02:53,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:02:53,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:02:53,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:02:53,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:02:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:02:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:02:53,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:02:53,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:02:53,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:02:53,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:02:53,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:02:53,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:02:53,553 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-12-02 07:02:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:02:53,567 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2018-12-02 07:02:53,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:02:53,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-12-02 07:02:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:02:53,574 INFO L225 Difference]: With dead ends: 104 [2018-12-02 07:02:53,574 INFO L226 Difference]: Without dead ends: 52 [2018-12-02 07:02:53,576 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:02:53,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-02 07:02:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-02 07:02:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-02 07:02:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-02 07:02:53,599 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 25 [2018-12-02 07:02:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:02:53,599 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-02 07:02:53,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:02:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-02 07:02:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 07:02:53,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:02:53,600 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] [2018-12-02 07:02:53,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:02:53,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:02:53,600 INFO L82 PathProgramCache]: Analyzing trace with hash -201130984, now seen corresponding path program 1 times [2018-12-02 07:02:53,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:02:53,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:02:53,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:02:53,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:02:53,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:02:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:02:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:02:53,684 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 07:02:53,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:02:53 BoogieIcfgContainer [2018-12-02 07:02:53,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:02:53,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:02:53,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:02:53,712 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:02:53,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:02:53" (3/4) ... [2018-12-02 07:02:53,714 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 07:02:53,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:02:53,715 INFO L168 Benchmark]: Toolchain (without parser) took 867.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -91.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-12-02 07:02:53,716 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-02 07:02:53,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-02 07:02:53,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.54 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:02:53,717 INFO L168 Benchmark]: Boogie Preprocessor took 25.16 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:02:53,717 INFO L168 Benchmark]: RCFGBuilder took 289.81 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: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:02:53,717 INFO L168 Benchmark]: TraceAbstraction took 335.78 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:02:53,717 INFO L168 Benchmark]: Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:02:53,719 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.54 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.16 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 289.81 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: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 335.78 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=49, \old(halF_exp)=21, \old(huge_exp)=40, \old(invln2_exp)=18, \old(ln2HI_exp)=17, \old(ln2HI_exp)=45, \old(ln2LO_exp)=30, \old(ln2LO_exp)=48, \old(o_threshold_exp)=25, \old(one_exp)=38, \old(P1_exp)=20, \old(P2_exp)=23, \old(P3_exp)=32, \old(P4_exp)=36, \old(P5_exp)=34, \old(twom1000_exp)=24, \old(u_threshold_exp)=46, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L154] RET, EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=47, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L154] double res = __ieee754_exp(x); [L157] CALL, EXPR isinf_double(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L133] __int32_t hx, lx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=26, \result=0, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, lx=5, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L157] RET, EXPR isinf_double(x) VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, isinf_double(x)=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=47, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=47, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:02:55,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:02:55,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:02:55,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:02:55,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:02:55,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:02:55,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:02:55,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:02:55,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:02:55,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:02:55,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:02:55,082 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:02:55,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:02:55,083 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:02:55,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:02:55,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:02:55,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:02:55,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:02:55,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:02:55,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:02:55,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:02:55,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:02:55,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:02:55,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:02:55,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:02:55,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:02:55,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:02:55,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:02:55,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:02:55,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:02:55,092 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:02:55,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:02:55,092 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:02:55,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:02:55,093 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:02:55,093 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:02:55,093 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 07:02:55,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:02:55,103 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:02:55,103 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:02:55,103 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:02:55,104 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:02:55,104 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:02:55,104 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:02:55,104 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:02:55,104 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:02:55,104 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:02:55,105 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:02:55,105 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:02:55,105 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:02:55,105 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:02:55,105 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:02:55,106 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:02:55,106 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:02:55,106 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 07:02:55,106 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 07:02:55,106 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:02:55,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:02:55,107 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:02:55,107 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:02:55,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:02:55,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:02:55,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:02:55,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:02:55,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:02:55,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:02:55,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:02:55,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:02:55,108 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 07:02:55,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:02:55,108 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 07:02:55,108 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 07:02:55,109 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_ab056ef9-10a5-4bcc-907d-1c12c77f456d/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-12-02 07:02:55,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:02:55,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:02:55,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:02:55,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:02:55,142 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:02:55,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 07:02:55,176 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/ef71a46a0/5ef31dc90986487ba7ab29ef309dd6a3/FLAGd3812e78d [2018-12-02 07:02:55,574 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:02:55,574 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 07:02:55,578 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/ef71a46a0/5ef31dc90986487ba7ab29ef309dd6a3/FLAGd3812e78d [2018-12-02 07:02:55,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/data/ef71a46a0/5ef31dc90986487ba7ab29ef309dd6a3 [2018-12-02 07:02:55,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:02:55,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:02:55,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:02:55,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:02:55,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:02:55,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bd8df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55, skipping insertion in model container [2018-12-02 07:02:55,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:02:55,614 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:02:55,740 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:02:55,745 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:02:55,775 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:02:55,792 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:02:55,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55 WrapperNode [2018-12-02 07:02:55,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:02:55,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:02:55,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:02:55,793 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:02:55,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:02:55,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:02:55,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:02:55,842 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:02:55,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... [2018-12-02 07:02:55,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:02:55,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:02:55,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:02:55,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:02:55,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:02:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 07:02:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-02 07:02:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-02 07:02:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-02 07:02:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-02 07:02:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 07:02:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:02:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:02:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:02:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:02:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-02 07:02:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:02:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 07:02:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:02:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:02:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 07:02:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:02:56,022 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:02:56,332 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,596 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,615 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,632 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,650 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,672 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,713 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:03:06,726 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:03:06,726 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 07:03:06,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:06 BoogieIcfgContainer [2018-12-02 07:03:06,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:03:06,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:03:06,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:03:06,729 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:03:06,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:02:55" (1/3) ... [2018-12-02 07:03:06,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be097f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:03:06, skipping insertion in model container [2018-12-02 07:03:06,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:02:55" (2/3) ... [2018-12-02 07:03:06,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be097f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:03:06, skipping insertion in model container [2018-12-02 07:03:06,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:06" (3/3) ... [2018-12-02 07:03:06,731 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-12-02 07:03:06,737 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:03:06,742 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:03:06,752 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:03:06,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 07:03:06,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:03:06,769 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:03:06,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:03:06,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:03:06,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:03:06,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:03:06,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:03:06,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:03:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-02 07:03:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 07:03:06,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:06,784 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] [2018-12-02 07:03:06,785 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:06,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:06,789 INFO L82 PathProgramCache]: Analyzing trace with hash -923681049, now seen corresponding path program 1 times [2018-12-02 07:03:06,791 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:03:06,792 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/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 [2018-12-02 07:03:06,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:07,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:03:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:07,090 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:03:07,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:07,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:03:07,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:03:07,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:03:07,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:03:07,118 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-02 07:03:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:07,133 INFO L93 Difference]: Finished difference Result 102 states and 155 transitions. [2018-12-02 07:03:07,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:03:07,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-02 07:03:07,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:07,142 INFO L225 Difference]: With dead ends: 102 [2018-12-02 07:03:07,143 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 07:03:07,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:03:07,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 07:03:07,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-02 07:03:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 07:03:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2018-12-02 07:03:07,169 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 24 [2018-12-02 07:03:07,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:07,169 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2018-12-02 07:03:07,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:03:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2018-12-02 07:03:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 07:03:07,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:07,170 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] [2018-12-02 07:03:07,170 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:07,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:07,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1028235080, now seen corresponding path program 1 times [2018-12-02 07:03:07,171 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:03:07,171 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 07:03:07,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:07,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:03:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:07,575 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:03:07,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:07,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:03:07,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:03:07,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:03:07,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:03:07,590 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand 7 states. [2018-12-02 07:03:22,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:22,547 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2018-12-02 07:03:22,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:03:22,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-02 07:03:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:22,551 INFO L225 Difference]: With dead ends: 69 [2018-12-02 07:03:22,551 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 07:03:22,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 07:03:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 07:03:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2018-12-02 07:03:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 07:03:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2018-12-02 07:03:22,556 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 26 [2018-12-02 07:03:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:22,556 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2018-12-02 07:03:22,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:03:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2018-12-02 07:03:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 07:03:22,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:22,557 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] [2018-12-02 07:03:22,557 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:22,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:22,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1789825648, now seen corresponding path program 1 times [2018-12-02 07:03:22,558 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:03:22,558 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 07:03:22,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:22,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:03:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:22,901 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:03:22,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:22,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 07:03:22,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 07:03:22,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 07:03:22,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:03:22,912 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand 8 states. [2018-12-02 07:03:29,741 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-02 07:03:38,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:38,862 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-12-02 07:03:38,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:03:38,863 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-02 07:03:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:38,864 INFO L225 Difference]: With dead ends: 68 [2018-12-02 07:03:38,864 INFO L226 Difference]: Without dead ends: 55 [2018-12-02 07:03:38,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:03:38,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-02 07:03:38,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2018-12-02 07:03:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 07:03:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-12-02 07:03:38,868 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 28 [2018-12-02 07:03:38,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:38,868 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-12-02 07:03:38,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 07:03:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-12-02 07:03:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 07:03:38,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:38,869 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] [2018-12-02 07:03:38,869 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:38,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:38,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1234074122, now seen corresponding path program 1 times [2018-12-02 07:03:38,870 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:03:38,870 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 07:03:38,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:03:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:03:41,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:03:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:03:41,748 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:03:41,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:03:41,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:03:41,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:03:41,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:03:41,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:03:41,785 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 7 states. [2018-12-02 07:03:59,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:03:59,747 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2018-12-02 07:03:59,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 07:03:59,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 07:03:59,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:03:59,750 INFO L225 Difference]: With dead ends: 83 [2018-12-02 07:03:59,750 INFO L226 Difference]: Without dead ends: 53 [2018-12-02 07:03:59,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 07:03:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-02 07:03:59,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-12-02 07:03:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-02 07:03:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-12-02 07:03:59,755 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 28 [2018-12-02 07:03:59,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:03:59,756 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-12-02 07:03:59,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:03:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-12-02 07:03:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 07:03:59,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:03:59,757 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] [2018-12-02 07:03:59,757 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:03:59,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:03:59,757 INFO L82 PathProgramCache]: Analyzing trace with hash -920540292, now seen corresponding path program 1 times [2018-12-02 07:03:59,758 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:03:59,758 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 07:03:59,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:03,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:03,595 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:04:03,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:04:03,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:04:03,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:04:03,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:04:03,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:03,644 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 7 states. [2018-12-02 07:04:22,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:22,930 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2018-12-02 07:04:23,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 07:04:23,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-02 07:04:23,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:23,331 INFO L225 Difference]: With dead ends: 80 [2018-12-02 07:04:23,331 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 07:04:23,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:04:23,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 07:04:23,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-12-02 07:04:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-02 07:04:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-12-02 07:04:23,335 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 29 [2018-12-02 07:04:23,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:23,335 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-12-02 07:04:23,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:04:23,336 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-12-02 07:04:23,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 07:04:23,336 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:04:23,336 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] [2018-12-02 07:04:23,336 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:04:23,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:04:23,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1920861067, now seen corresponding path program 1 times [2018-12-02 07:04:23,337 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:04:23,337 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-02 07:04:23,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:04:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:04:23,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:04:23,556 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 07:04:23,558 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 07:04:23,558 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 07:04:23,559 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 07:04:23,562 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-12-02 07:04:23,592 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-12-02 07:04:23,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 07:04:23,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-12-02 07:04:23,625 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 07:04:23,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-02 07:04:23,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 5 [2018-12-02 07:04:23,645 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 07:04:23,648 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 07:04:23,655 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 07:04:23,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 07:04:23,674 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-12-02 07:04:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:04:23,832 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:04:23,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:04:23,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:04:23,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:04:23,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:04:23,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:04:23,842 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 7 states. [2018-12-02 07:04:24,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:04:24,258 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-12-02 07:04:24,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:04:24,258 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-12-02 07:04:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:04:24,258 INFO L225 Difference]: With dead ends: 49 [2018-12-02 07:04:24,259 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:04:24,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:04:24,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:04:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:04:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:04:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:04:24,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-12-02 07:04:24,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:04:24,260 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:04:24,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:04:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:04:24,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:04:24,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 07:04:24,348 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-02 07:04:24,348 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (and (= __ieee754_exp_~x |__ieee754_exp_#in~x|) (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|)) |__ieee754_exp_#in~x|) (= __ieee754_exp_~hx~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_11|)))))) [2018-12-02 07:04:24,348 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2018-12-02 07:04:24,348 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-12-02 07:04:24,348 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-12-02 07:04:24,348 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L451 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: true [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L451 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-02 07:04:24,349 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (= __ieee754_exp_~x |__ieee754_exp_#in~x|) [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L451 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: true [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 132 144) no Hoare annotation was computed. [2018-12-02 07:04:24,350 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 132 144) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 132 144) the Hoare annotation is: true [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point L134-3(lines 134 139) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 07:04:24,351 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-12-02 07:04:24,351 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-12-02 07:04:24,351 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-12-02 07:04:24,352 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-12-02 07:04:24,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,359 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:04:24 BoogieIcfgContainer [2018-12-02 07:04:24,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:04:24,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:04:24,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:04:24,362 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:04:24,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:03:06" (3/4) ... [2018-12-02 07:04:24,364 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:04:24,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-12-02 07:04:24,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 07:04:24,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-02 07:04:24,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 07:04:24,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-12-02 07:04:24,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 07:04:24,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 07:04:24,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 07:04:24,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 07:04:24,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 07:04:24,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 07:04:24,390 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32])) [2018-12-02 07:04:24,422 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab056ef9-10a5-4bcc-907d-1c12c77f456d/bin-2019/utaipan/witness.graphml [2018-12-02 07:04:24,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:04:24,422 INFO L168 Benchmark]: Toolchain (without parser) took 88834.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 288.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:24,423 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:04:24,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:24,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:24,423 INFO L168 Benchmark]: Boogie Preprocessor took 27.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:04:24,424 INFO L168 Benchmark]: RCFGBuilder took 10857.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:24,424 INFO L168 Benchmark]: TraceAbstraction took 77634.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 795.1 MB in the end (delta: 277.2 MB). Peak memory consumption was 277.2 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:24,424 INFO L168 Benchmark]: Witness Printer took 60.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.1 MB). Free memory was 795.1 MB in the beginning and 1.1 GB in the end (delta: -319.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:04:24,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.01 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. * RCFGBuilder took 10857.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77634.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 795.1 MB in the end (delta: 277.2 MB). Peak memory consumption was 277.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.1 MB). Free memory was 795.1 MB in the beginning and 1.1 GB in the end (delta: -319.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 60]: Loop Invariant [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 07:04:24,428 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. SAFE Result, 77.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 69.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 270 SDtfs, 216 SDslu, 903 SDs, 0 SdLazy, 337 SolverSat, 8 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 61.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 33 NumberOfFragments, 51 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 159 ConstructedInterpolants, 40 QuantifiedInterpolants, 30218 SizeOfPredicates, 17 NumberOfNonLiveVariables, 953 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...