./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0930_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_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b ............................................................................................................................................................................................................................................................................................................................... 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_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:55:26,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:55:26,560 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:55:26,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:55:26,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:55:26,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:55:26,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:55:26,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:55:26,573 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:55:26,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:55:26,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:55:26,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:55:26,575 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:55:26,576 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:55:26,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:55:26,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:55:26,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:55:26,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:55:26,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:55:26,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:55:26,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:55:26,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:55:26,585 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:55:26,585 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:55:26,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:55:26,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:55:26,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:55:26,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:55:26,588 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:55:26,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:55:26,589 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:55:26,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:55:26,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:55:26,590 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:55:26,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:55:26,591 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:55:26,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:55:26,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:55:26,601 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:55:26,601 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:55:26,601 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:55:26,602 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:55:26,602 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:55:26,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:55:26,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:55:26,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:55:26,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:55:26,604 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:55:26,605 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:55:26,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:55:26,605 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:55:26,605 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_72349086-44d4-450b-9a65-7df62faaeca6/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 -> a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b [2018-12-02 02:55:26,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:55:26,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:55:26,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:55:26,632 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:55:26,632 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:55:26,632 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-02 02:55:26,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/ccf95e12b/52e7f2cef5b14b2b8d47ae1c05ef1543/FLAG71bb3069f [2018-12-02 02:55:27,072 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:55:27,072 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-02 02:55:27,076 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/ccf95e12b/52e7f2cef5b14b2b8d47ae1c05ef1543/FLAG71bb3069f [2018-12-02 02:55:27,084 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/ccf95e12b/52e7f2cef5b14b2b8d47ae1c05ef1543 [2018-12-02 02:55:27,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:55:27,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:55:27,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:55:27,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:55:27,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:55:27,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651df91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27, skipping insertion in model container [2018-12-02 02:55:27,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:55:27,107 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:55:27,213 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:55:27,216 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:55:27,239 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:55:27,280 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:55:27,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27 WrapperNode [2018-12-02 02:55:27,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:55:27,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:55:27,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:55:27,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:55:27,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:55:27,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:55:27,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:55:27,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:55:27,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... [2018-12-02 02:55:27,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:55:27,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:55:27,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:55:27,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:55:27,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 02:55:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 02:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-02 02:55:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-02 02:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:55:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 02:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 02:55:27,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:55:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 02:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:55:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 02:55:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 02:55:27,535 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:55:27,535 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 02:55:27,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:27 BoogieIcfgContainer [2018-12-02 02:55:27,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:55:27,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:55:27,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:55:27,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:55:27,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:27" (1/3) ... [2018-12-02 02:55:27,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bda5fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:27, skipping insertion in model container [2018-12-02 02:55:27,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:27" (2/3) ... [2018-12-02 02:55:27,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bda5fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:27, skipping insertion in model container [2018-12-02 02:55:27,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:27" (3/3) ... [2018-12-02 02:55:27,540 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930_true-unreach-call.c [2018-12-02 02:55:27,546 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:55:27,551 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:55:27,560 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:55:27,578 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:55:27,578 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:55:27,578 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:55:27,578 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:55:27,578 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:55:27,578 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:55:27,579 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:55:27,579 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:55:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-02 02:55:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 02:55:27,592 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:27,593 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:27,594 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:27,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:27,598 INFO L82 PathProgramCache]: Analyzing trace with hash 239483750, now seen corresponding path program 1 times [2018-12-02 02:55:27,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:27,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:27,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:27,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:27,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:27,684 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 02:55:27,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:27,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:55:27,685 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:27,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:55:27,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:55:27,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:55:27,697 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-02 02:55:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:27,710 INFO L93 Difference]: Finished difference Result 84 states and 125 transitions. [2018-12-02 02:55:27,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:55:27,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-02 02:55:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:27,716 INFO L225 Difference]: With dead ends: 84 [2018-12-02 02:55:27,716 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 02:55:27,718 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 02:55:27,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 02:55:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 02:55:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 02:55:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-12-02 02:55:27,740 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 18 [2018-12-02 02:55:27,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:27,740 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-12-02 02:55:27,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:55:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-12-02 02:55:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 02:55:27,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:27,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:27,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:27,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:27,741 INFO L82 PathProgramCache]: Analyzing trace with hash 75375697, now seen corresponding path program 1 times [2018-12-02 02:55:27,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:27,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:27,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:27,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:27,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:55:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:55:27,792 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 02:55:27,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:55:27 BoogieIcfgContainer [2018-12-02 02:55:27,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:55:27,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:55:27,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:55:27,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:55:27,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:27" (3/4) ... [2018-12-02 02:55:27,816 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 02:55:27,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:55:27,817 INFO L168 Benchmark]: Toolchain (without parser) took 730.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -108.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:27,818 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:55:27,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:27,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.75 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 02:55:27,819 INFO L168 Benchmark]: Boogie Preprocessor took 25.31 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 02:55:27,819 INFO L168 Benchmark]: RCFGBuilder took 206.99 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:27,819 INFO L168 Benchmark]: TraceAbstraction took 277.19 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:27,819 INFO L168 Benchmark]: Witness Printer took 2.92 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 02:55:27,821 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.75 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 25.31 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 206.99 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 277.19 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 150]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=8589934607, \old(Lg2_log)=8589934610, \old(Lg3_log)=8589934592, \old(Lg4_log)=8589934595, \old(Lg5_log)=8589934597, \old(Lg6_log)=8589934604, \old(Lg7_log)=8589934601, \old(ln2_hi_log)=8589934594, \old(ln2_lo_log)=8589934598, \old(two54_log)=8589934605, \old(zero)=8589934608, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L144] double x = 1.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0] [L146] CALL, EXPR __ieee754_log(x) VAL [\old(x)=1, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=1, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [\old(x)=1, hx=-1, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=17, two54_log=18014398509481984, x=1, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=1, hx=-1, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=17, two54_log=18014398509481984, x=1, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=1, hx=-1, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=17, two54_log=18014398509481984, x=1, zero=0] [L146] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=8589934596, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0] [L146] double res = __ieee754_log(x); [L149] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=8589934596, res == 0.0 && __signbit_double(res) == 0=0, two54_log=18014398509481984, x=1, zero=0] [L149] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L150] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=8589934596, two54_log=18014398509481984, x=1, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 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=46occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 02:55:29,058 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:55:29,059 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:55:29,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:55:29,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:55:29,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:55:29,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:55:29,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:55:29,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:55:29,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:55:29,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:55:29,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:55:29,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:55:29,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:55:29,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:55:29,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:55:29,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:55:29,075 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:55:29,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:55:29,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:55:29,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:55:29,078 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:55:29,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:55:29,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:55:29,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:55:29,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:55:29,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:55:29,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:55:29,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:55:29,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:55:29,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:55:29,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:55:29,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:55:29,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:55:29,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:55:29,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:55:29,085 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 02:55:29,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:55:29,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:55:29,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:55:29,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:55:29,097 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:55:29,097 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:55:29,097 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:55:29,098 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:55:29,098 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:55:29,098 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:55:29,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:55:29,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 02:55:29,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:55:29,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:55:29,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:55:29,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:55:29,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:55:29,101 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 02:55:29,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:55:29,101 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 02:55:29,101 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 02:55:29,101 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_72349086-44d4-450b-9a65-7df62faaeca6/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 -> a2549d464b179f7f7f50962dd1fbb8e0dbdceb3b [2018-12-02 02:55:29,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:55:29,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:55:29,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:55:29,138 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:55:29,138 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:55:29,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-02 02:55:29,177 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/5897ca6fb/65596ff9381c4a73ba739a5941294a90/FLAGf5b8c0019 [2018-12-02 02:55:29,570 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:55:29,570 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/sv-benchmarks/c/float-newlib/double_req_bl_0930_true-unreach-call.c [2018-12-02 02:55:29,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/5897ca6fb/65596ff9381c4a73ba739a5941294a90/FLAGf5b8c0019 [2018-12-02 02:55:29,582 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/data/5897ca6fb/65596ff9381c4a73ba739a5941294a90 [2018-12-02 02:55:29,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:55:29,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:55:29,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:55:29,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:55:29,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:55:29,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29, skipping insertion in model container [2018-12-02 02:55:29,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:55:29,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:55:29,720 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:55:29,724 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:55:29,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:55:29,771 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:55:29,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29 WrapperNode [2018-12-02 02:55:29,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:55:29,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:55:29,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:55:29,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:55:29,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:55:29,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:55:29,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:55:29,789 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:55:29,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... [2018-12-02 02:55:29,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:55:29,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:55:29,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:55:29,853 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:55:29,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 02:55:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-12-02 02:55:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-12-02 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:55:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:55:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:55:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:55:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 02:55:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:55:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:55:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 02:55:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 02:55:33,490 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:55:50,801 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:55:50,864 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:55:50,980 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:55:50,995 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:55:50,995 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 02:55:50,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:50 BoogieIcfgContainer [2018-12-02 02:55:50,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:55:50,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:55:50,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:55:50,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:55:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:29" (1/3) ... [2018-12-02 02:55:50,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61768562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:50, skipping insertion in model container [2018-12-02 02:55:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:29" (2/3) ... [2018-12-02 02:55:50,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61768562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:50, skipping insertion in model container [2018-12-02 02:55:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:50" (3/3) ... [2018-12-02 02:55:50,999 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930_true-unreach-call.c [2018-12-02 02:55:51,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:55:51,009 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:55:51,017 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:55:51,033 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 02:55:51,034 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:55:51,034 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:55:51,034 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:55:51,034 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:55:51,034 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:55:51,034 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:55:51,034 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:55:51,034 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:55:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-02 02:55:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 02:55:51,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:51,047 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:51,048 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:51,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash 239483750, now seen corresponding path program 1 times [2018-12-02 02:55:51,054 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:55:51,054 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:55:51,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:51,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:55:51,744 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 02:55:51,744 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:55:51,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:51,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:55:51,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:55:51,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:55:51,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:55:51,773 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-02 02:55:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:51,787 INFO L93 Difference]: Finished difference Result 84 states and 125 transitions. [2018-12-02 02:55:51,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:55:51,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-02 02:55:51,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:51,793 INFO L225 Difference]: With dead ends: 84 [2018-12-02 02:55:51,793 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 02:55:51,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:55:51,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 02:55:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 02:55:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 02:55:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-12-02 02:55:51,818 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 18 [2018-12-02 02:55:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:51,818 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-12-02 02:55:51,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:55:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-12-02 02:55:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 02:55:51,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:51,819 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:51,819 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:51,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:51,819 INFO L82 PathProgramCache]: Analyzing trace with hash 75375697, now seen corresponding path program 1 times [2018-12-02 02:55:51,819 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:55:51,819 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:55:51,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:52,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:55:52,617 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 02:55:52,618 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:55:52,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:52,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:55:52,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:55:52,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:55:52,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:55:52,635 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand 6 states. [2018-12-02 02:56:04,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:04,803 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2018-12-02 02:56:04,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:56:04,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-02 02:56:04,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:04,806 INFO L225 Difference]: With dead ends: 72 [2018-12-02 02:56:04,807 INFO L226 Difference]: Without dead ends: 40 [2018-12-02 02:56:04,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:56:04,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-02 02:56:04,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2018-12-02 02:56:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 02:56:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2018-12-02 02:56:04,814 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 19 [2018-12-02 02:56:04,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:04,815 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2018-12-02 02:56:04,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:56:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2018-12-02 02:56:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 02:56:04,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:56:04,816 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:56:04,816 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:56:04,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:56:04,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1299754414, now seen corresponding path program 1 times [2018-12-02 02:56:04,817 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:56:04,817 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:56:04,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:56:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:56:04,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:56:04,973 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 02:56:04,973 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:56:04,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:56:04,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:56:04,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:56:04,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:56:04,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:56:04,982 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand 6 states. [2018-12-02 02:56:09,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:09,033 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2018-12-02 02:56:09,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:56:09,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-02 02:56:09,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:09,036 INFO L225 Difference]: With dead ends: 53 [2018-12-02 02:56:09,036 INFO L226 Difference]: Without dead ends: 38 [2018-12-02 02:56:09,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:56:09,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-02 02:56:09,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-02 02:56:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 02:56:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2018-12-02 02:56:09,041 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 19 [2018-12-02 02:56:09,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:09,042 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2018-12-02 02:56:09,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:56:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-12-02 02:56:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:56:09,043 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:56:09,043 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 02:56:09,043 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:56:09,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:56:09,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1615917750, now seen corresponding path program 1 times [2018-12-02 02:56:09,044 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:56:09,044 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:56:09,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:56:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:56:12,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:56:12,602 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 02:56:12,602 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:56:12,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:56:12,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:56:12,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:56:12,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:56:12,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:56:12,654 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand 7 states. [2018-12-02 02:56:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:16,993 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2018-12-02 02:56:16,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:56:16,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-02 02:56:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:16,995 INFO L225 Difference]: With dead ends: 53 [2018-12-02 02:56:16,995 INFO L226 Difference]: Without dead ends: 35 [2018-12-02 02:56:16,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:56:16,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-02 02:56:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-02 02:56:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-02 02:56:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-12-02 02:56:16,998 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 25 [2018-12-02 02:56:16,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:16,998 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-12-02 02:56:16,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:56:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-12-02 02:56:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:56:16,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:56:16,999 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 02:56:16,999 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:56:16,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:56:16,999 INFO L82 PathProgramCache]: Analyzing trace with hash 305141757, now seen corresponding path program 1 times [2018-12-02 02:56:17,000 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:56:17,000 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:56:17,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:56:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:56:17,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:56:17,190 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 02:56:17,190 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:56:17,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:56:17,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:56:17,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:56:17,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:56:17,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:56:17,199 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states. [2018-12-02 02:56:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:25,025 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-12-02 02:56:25,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:56:25,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-02 02:56:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:25,026 INFO L225 Difference]: With dead ends: 44 [2018-12-02 02:56:25,027 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 02:56:25,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:56:25,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 02:56:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-12-02 02:56:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-02 02:56:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-12-02 02:56:25,032 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 25 [2018-12-02 02:56:25,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:25,032 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-12-02 02:56:25,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:56:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-12-02 02:56:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:56:25,033 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:56:25,033 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 02:56:25,033 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:56:25,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:56:25,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1192645438, now seen corresponding path program 1 times [2018-12-02 02:56:25,034 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:56:25,034 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/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 02:56:25,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:56:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:56:25,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:56:25,917 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 02:56:25,917 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:56:25,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:56:25,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 02:56:25,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:56:25,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:56:25,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:56:25,931 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 9 states. [2018-12-02 02:56:26,611 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-02 02:56:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:31,753 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2018-12-02 02:56:31,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:56:31,755 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-12-02 02:56:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:31,756 INFO L225 Difference]: With dead ends: 56 [2018-12-02 02:56:31,756 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 02:56:31,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-12-02 02:56:31,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 02:56:31,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-12-02 02:56:31,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-02 02:56:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-12-02 02:56:31,759 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 25 [2018-12-02 02:56:31,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:31,760 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-12-02 02:56:31,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:56:31,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-12-02 02:56:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:56:31,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:56:31,760 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 02:56:31,760 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:56:31,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:56:31,761 INFO L82 PathProgramCache]: Analyzing trace with hash 571809949, now seen corresponding path program 1 times [2018-12-02 02:56:31,761 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:56:31,761 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-02 02:56:31,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:56:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:56:32,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:56:32,768 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 132 treesize of output 126 [2018-12-02 02:56:32,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 126 treesize of output 121 [2018-12-02 02:56:32,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-12-02 02:56:32,786 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 02:56:32,791 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 02:56:32,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 02:56:32,819 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 02:56:32,819 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:154, output treesize:82 [2018-12-02 02:56:34,265 WARN L180 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 02:56:36,528 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 02:56:36,568 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 02:56:36,569 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:56:36,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:56:36,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 02:56:36,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:56:36,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:56:36,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:56:36,587 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 10 states. [2018-12-02 02:56:44,953 WARN L180 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 02:56:56,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:56,454 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-12-02 02:56:56,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:56:56,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-12-02 02:56:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:56,456 INFO L225 Difference]: With dead ends: 50 [2018-12-02 02:56:56,456 INFO L226 Difference]: Without dead ends: 34 [2018-12-02 02:56:56,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2018-12-02 02:56:56,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-02 02:56:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-02 02:56:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-02 02:56:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-12-02 02:56:56,460 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 25 [2018-12-02 02:56:56,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:56,460 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-12-02 02:56:56,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:56:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-12-02 02:56:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 02:56:56,461 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:56:56,461 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:56:56,461 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:56:56,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:56:56,462 INFO L82 PathProgramCache]: Analyzing trace with hash 273181826, now seen corresponding path program 1 times [2018-12-02 02:56:56,462 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:56:56,462 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-02 02:56:56,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:56:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:56:56,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:56:56,816 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 02:56:56,816 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:56:56,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:56:56,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 02:56:56,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 02:56:56,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 02:56:56,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-12-02 02:56:56,826 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 11 states. [2018-12-02 02:56:57,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:56:57,762 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-12-02 02:56:57,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:56:57,762 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-12-02 02:56:57,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:56:57,763 INFO L225 Difference]: With dead ends: 34 [2018-12-02 02:56:57,763 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:56:57,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-12-02 02:56:57,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:56:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:56:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:56:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:56:57,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-02 02:56:57,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:56:57,763 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:56:57,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 02:56:57,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:56:57,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:56:57,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:56:58,015 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (and (exists ((v_prenex_9 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))) (= ((_ extract 63 32) v_prenex_9) __ieee754_log_~hx~1))) (exists ((v_prenex_9 (_ BitVec 64))) (and (bvslt ((_ extract 63 32) v_prenex_9) (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9)))))) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-02 02:56:58,118 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (or (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (exists ((v_prenex_9 (_ BitVec 64))) (and (bvslt ((_ extract 63 32) v_prenex_9) (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_9) ((_ extract 62 52) v_prenex_9) ((_ extract 51 0) v_prenex_9))))) (and (exists ((v_prenex_12 (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) v_prenex_12))) (and (= (bvadd __ieee754_log_~k~0 (_ bv1023 32)) (bvashr .cse0 (_ bv20 32))) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_12) ((_ extract 62 52) v_prenex_12) ((_ extract 51 0) v_prenex_12))) (= __ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd (bvand (_ bv1048575 32) .cse0) (_ bv614244 32))))))) (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_11 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))) (= (bvand (_ bv1048575 32) ((_ extract 63 32) v_prenex_11)) __ieee754_log_~hx~1))))) [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 129 133) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L444 ceAbstractionStarter]: At program point L129-2(lines 129 133) the Hoare annotation is: (or (= |__signbit_double_#in~x| __signbit_double_~x) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point L129-3(lines 129 133) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleFINAL(lines 126 136) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point __signbit_doubleEXIT(lines 126 136) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L451 ceAbstractionStarter]: At program point __signbit_doubleENTRY(lines 126 136) the Hoare annotation is: true [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:56:58,119 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-12-02 02:56:58,119 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:56:58,119 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 138 155) the Hoare annotation is: true [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 138 155) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L444 ceAbstractionStarter]: At program point L149-1(line 149) the Hoare annotation is: (or (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) main_~x~0) |main_#t~short16| (= (_ +zero 11 53) main_~res~0)) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point L149-2(line 149) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L444 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) main_~x~0)) [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point L149-4(lines 149 152) no Hoare annotation was computed. [2018-12-02 02:56:58,120 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 138 155) no Hoare annotation was computed. [2018-12-02 02:56:58,123 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,124 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,125 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,125 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,125 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,129 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,130 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,130 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,130 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,130 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,130 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,130 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,131 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,132 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:56:58 BoogieIcfgContainer [2018-12-02 02:56:58,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:56:58,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:56:58,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:56:58,134 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:56:58,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:50" (3/4) ... [2018-12-02 02:56:58,136 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:56:58,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:56:58,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-02 02:56:58,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_double [2018-12-02 02:56:58,140 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:56:58,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-12-02 02:56:58,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-02 02:56:58,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 02:56:58,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:56:58,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-02 02:56:58,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-02 02:56:58,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx) && (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-02 02:56:58,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || (((\exists v_prenex_12 : bv64 :: (~bvadd64(k, 1023bv32) == ~bvashr32(v_prenex_12[63:32], 20bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0])) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_prenex_12[63:32]), 614244bv32))) && x == \old(x)) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && ~bvand32(1048575bv32, v_prenex_11[63:32]) == hx)) [2018-12-02 02:56:58,174 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72349086-44d4-450b-9a65-7df62faaeca6/bin-2019/utaipan/witness.graphml [2018-12-02 02:56:58,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:56:58,175 INFO L168 Benchmark]: Toolchain (without parser) took 88591.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:56:58,175 INFO L168 Benchmark]: CDTParser took 0.17 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 02:56:58,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.12 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:56:58,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.14 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:56:58,176 INFO L168 Benchmark]: Boogie Preprocessor took 62.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:56:58,176 INFO L168 Benchmark]: RCFGBuilder took 21142.99 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:56:58,176 INFO L168 Benchmark]: TraceAbstraction took 67137.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:56:58,176 INFO L168 Benchmark]: Witness Printer took 40.91 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: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:56:58,178 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 187.12 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.14 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -201.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21142.99 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67137.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Witness Printer took 40.91 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: 6.1 MB). Peak memory consumption was 6.1 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_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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: 76]: Loop Invariant [2018-12-02 02:56:58,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_12,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-02 02:56:58,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || (((\exists v_prenex_12 : bv64 :: (~bvadd64(k, 1023bv32) == ~bvashr32(v_prenex_12[63:32], 20bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_12[63:63], v_prenex_12[62:52], v_prenex_12[51:0])) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_prenex_12[63:32]), 614244bv32))) && x == \old(x)) && (\exists v_prenex_11 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_11[63:63], v_prenex_11[62:52], v_prenex_11[51:0]) && ~bvand32(1048575bv32, v_prenex_11[63:32]) == hx)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: \old(x) == x || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 65]: Loop Invariant [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] [2018-12-02 02:56:58,184 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_9,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_9 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]) && v_prenex_9[63:32] == hx) && (\exists v_prenex_9 : bv64 :: ~bvslt32(v_prenex_9[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_prenex_9[63:63], v_prenex_9[62:52], v_prenex_9[51:0]))) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. SAFE Result, 67.0s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 55.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 309 SDtfs, 167 SDslu, 999 SDs, 0 SdLazy, 346 SolverSat, 23 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 46.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 30 NumberOfFragments, 155 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 63 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 181 ConstructedInterpolants, 52 QuantifiedInterpolants, 44417 SizeOfPredicates, 27 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...