./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_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_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b ......................................................................................................................................................................................................................................................................................................................................... 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_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:37:14,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:37:14,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:37:14,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:37:14,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:37:14,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:37:14,482 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:37:14,483 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:37:14,484 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:37:14,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:37:14,485 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:37:14,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:37:14,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:37:14,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:37:14,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:37:14,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:37:14,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:37:14,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:37:14,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:37:14,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:37:14,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:37:14,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:37:14,492 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:37:14,492 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:37:14,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:37:14,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:37:14,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:37:14,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:37:14,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:37:14,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:37:14,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:37:14,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:37:14,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:37:14,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:37:14,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:37:14,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:37:14,496 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 20:37:14,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:37:14,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:37:14,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:37:14,504 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:37:14,504 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:37:14,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:37:14,504 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:37:14,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:37:14,504 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:37:14,504 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:37:14,504 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:37:14,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:37:14,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:37:14,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:37:14,506 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:37:14,506 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_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer 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 -> Automizer 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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2018-12-02 20:37:14,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:37:14,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:37:14,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:37:14,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:37:14,533 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:37:14,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-02 20:37:14,566 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/1ec12244a/a62c043bf62d45aa809036836800a378/FLAG2b16c068d [2018-12-02 20:37:15,000 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:37:15,001 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-02 20:37:15,004 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/1ec12244a/a62c043bf62d45aa809036836800a378/FLAG2b16c068d [2018-12-02 20:37:15,012 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/1ec12244a/a62c043bf62d45aa809036836800a378 [2018-12-02 20:37:15,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:37:15,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:37:15,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:15,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:37:15,017 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:37:15,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557be19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15, skipping insertion in model container [2018-12-02 20:37:15,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:37:15,035 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:37:15,138 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:15,141 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:37:15,164 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:15,206 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:37:15,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15 WrapperNode [2018-12-02 20:37:15,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:15,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:15,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:37:15,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:37:15,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:15,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:37:15,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:37:15,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:37:15,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... [2018-12-02 20:37:15,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:37:15,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:37:15,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:37:15,245 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:37:15,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:37:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 20:37:15,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 20:37:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-02 20:37:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 20:37:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:37:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:37:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:37:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:37:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:37:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 20:37:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:37:15,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:37:15,476 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 20:37:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:15 BoogieIcfgContainer [2018-12-02 20:37:15,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:37:15,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:37:15,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:37:15,479 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:37:15,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:37:15" (1/3) ... [2018-12-02 20:37:15,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e86405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:37:15, skipping insertion in model container [2018-12-02 20:37:15,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:15" (2/3) ... [2018-12-02 20:37:15,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e86405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:37:15, skipping insertion in model container [2018-12-02 20:37:15,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:15" (3/3) ... [2018-12-02 20:37:15,481 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-12-02 20:37:15,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:37:15,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 20:37:15,500 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 20:37:15,518 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:37:15,519 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:37:15,519 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 20:37:15,519 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:37:15,519 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:37:15,519 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:37:15,519 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:37:15,519 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:37:15,519 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:37:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-12-02 20:37:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 20:37:15,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:37:15,534 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:37:15,536 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:37:15,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:37:15,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2102658716, now seen corresponding path program 1 times [2018-12-02 20:37:15,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:37:15,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:37:15,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:37:15,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:37:15,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:37:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:37:15,639 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 20:37:15,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:37:15,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:37:15,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 20:37:15,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 20:37:15,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:37:15,653 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 3 states. [2018-12-02 20:37:15,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:37:15,682 INFO L93 Difference]: Finished difference Result 98 states and 141 transitions. [2018-12-02 20:37:15,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 20:37:15,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-02 20:37:15,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:37:15,690 INFO L225 Difference]: With dead ends: 98 [2018-12-02 20:37:15,690 INFO L226 Difference]: Without dead ends: 48 [2018-12-02 20:37:15,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:37:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-02 20:37:15,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-02 20:37:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 20:37:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-12-02 20:37:15,718 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 24 [2018-12-02 20:37:15,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:37:15,719 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-12-02 20:37:15,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 20:37:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-12-02 20:37:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 20:37:15,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:37:15,720 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 20:37:15,720 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:37:15,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:37:15,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1999721833, now seen corresponding path program 1 times [2018-12-02 20:37:15,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:37:15,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:37:15,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:37:15,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:37:15,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:37:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:37:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:37:15,812 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 20:37:15,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:37:15 BoogieIcfgContainer [2018-12-02 20:37:15,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:37:15,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:37:15,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:37:15,839 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:37:15,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:15" (3/4) ... [2018-12-02 20:37:15,842 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:37:15,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:37:15,843 INFO L168 Benchmark]: Toolchain (without parser) took 828.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -81.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,844 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:37:15,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,845 INFO L168 Benchmark]: Boogie Preprocessor took 21.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,845 INFO L168 Benchmark]: RCFGBuilder took 231.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,845 INFO L168 Benchmark]: TraceAbstraction took 362.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,845 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:37:15,847 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 231.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 362.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 59, overapproximation of bitwiseAnd at line 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 137. 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)=6442450967, \old(Lg2_log)=6442450970, \old(Lg3_log)=6442450948, \old(Lg4_log)=6442450951, \old(Lg5_log)=6442450956, \old(Lg6_log)=6442450963, \old(Lg7_log)=6442450961, \old(ln2_hi_log)=6442450950, \old(ln2_lo_log)=6442450958, \old(two54_log)=6442450964, \old(zero)=6442450969, 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] [L146] double x = __VERIFIER_nondet_double(); [L148] EXPR x < 0 && isfinite_double(x) 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=6442450954, x < 0 && isfinite_double(x)=1, zero=0] [L148] CALL, EXPR isfinite_double(x) VAL [\old(x)=6442450954, 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] [L127] __int32_t hx; VAL [\old(x)=6442450954, 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=6442450954, zero=0] [L129] ieee_double_shape_type gh_u; [L130] gh_u.value = (x) [L131] EXPR gh_u.parts.msw [L131] (hx) = gh_u.parts.msw [L133] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=6442450954, \result=-1, hx=3, 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=6442450954, zero=0] [L148] RET, EXPR isfinite_double(x) VAL [isfinite_double(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=6442450954, x < 0 && isfinite_double(x)=1, zero=0] [L148] EXPR x < 0 && isfinite_double(x) VAL [isfinite_double(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=6442450954, x < 0 && isfinite_double(x)=1, zero=0] [L148] COND TRUE (x < 0 && isfinite_double(x)) [L150] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450954, 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)=6442450954, 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=6442450954, 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)=6442450954, hx=-2147483646, 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=2147483659, two54_log=18014398509481984, x=6442450954, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450954, hx=-2147483646, 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=2147483659, two54_log=18014398509481984, x=6442450954, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=6442450954, hx=-2147483646, 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=2147483659, two54_log=18014398509481984, x=6442450954, zero=0] [L150] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450953, 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=6442450954, zero=0] [L150] double res = __ieee754_log(x); [L153] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450953, 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] [L137] return x != x; VAL [\old(x)=6442450953, \result=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, two54_log=18014398509481984, x=6442450953, zero=0] [L153] RET, EXPR isnan_double(res) VAL [isnan_double(res)=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, res=6442450953, two54_log=18014398509481984, x=6442450954, zero=0] [L153] COND TRUE !isnan_double(res) [L154] __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=6442450953, two54_log=18014398509481984, x=6442450954, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 53 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 0 SDslu, 59 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 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 20:37:17,157 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:37:17,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:37:17,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:37:17,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:37:17,165 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:37:17,166 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:37:17,166 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:37:17,167 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:37:17,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:37:17,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:37:17,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:37:17,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:37:17,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:37:17,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:37:17,170 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:37:17,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:37:17,171 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:37:17,172 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:37:17,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:37:17,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:37:17,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:37:17,175 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:37:17,175 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:37:17,175 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:37:17,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:37:17,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:37:17,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:37:17,177 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:37:17,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:37:17,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:37:17,178 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:37:17,178 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:37:17,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:37:17,178 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:37:17,178 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:37:17,179 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 20:37:17,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:37:17,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:37:17,186 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:37:17,187 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:37:17,187 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:37:17,187 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:37:17,187 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:37:17,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:37:17,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:37:17,187 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:37:17,187 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:37:17,188 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:37:17,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:37:17,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 20:37:17,189 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 20:37:17,190 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_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer 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 -> Automizer 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 -> 9a30c63b7ba6607790fb9b2ddb8b19a74f00f07b [2018-12-02 20:37:17,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:37:17,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:37:17,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:37:17,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:37:17,222 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:37:17,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-02 20:37:17,268 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/d203ccc49/a8ea754853f64e9184773170eeeda86e/FLAGd8c74a863 [2018-12-02 20:37:17,663 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:37:17,663 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-02 20:37:17,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/d203ccc49/a8ea754853f64e9184773170eeeda86e/FLAGd8c74a863 [2018-12-02 20:37:17,676 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/data/d203ccc49/a8ea754853f64e9184773170eeeda86e [2018-12-02 20:37:17,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:37:17,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:37:17,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:17,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:37:17,683 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:37:17,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af796df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17, skipping insertion in model container [2018-12-02 20:37:17,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:37:17,706 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:37:17,831 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:17,835 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:37:17,866 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:37:17,887 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:37:17,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17 WrapperNode [2018-12-02 20:37:17,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:37:17,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:17,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:37:17,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:37:17,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:37:17,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:37:17,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:37:17,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:37:17,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... [2018-12-02 20:37:17,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:37:17,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:37:17,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:37:17,966 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:37:17,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:37:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 20:37:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 20:37:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-02 20:37:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-02 20:37:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 20:37:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-02 20:37:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-02 20:37:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 20:37:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:37:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:37:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:37:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:37:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:37:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 20:37:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:37:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:37:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 20:37:18,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:37:18,102 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 20:37:18,146 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 20:37:22,392 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 20:37:38,646 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 20:37:38,712 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:37:38,713 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 20:37:38,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:38 BoogieIcfgContainer [2018-12-02 20:37:38,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:37:38,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:37:38,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:37:38,715 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:37:38,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:37:17" (1/3) ... [2018-12-02 20:37:38,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cafdf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:37:38, skipping insertion in model container [2018-12-02 20:37:38,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:17" (2/3) ... [2018-12-02 20:37:38,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cafdf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:37:38, skipping insertion in model container [2018-12-02 20:37:38,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:38" (3/3) ... [2018-12-02 20:37:38,717 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-12-02 20:37:38,723 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:37:38,727 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 20:37:38,736 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 20:37:38,752 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:37:38,753 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:37:38,753 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 20:37:38,753 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:37:38,753 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:37:38,753 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:37:38,753 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:37:38,753 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:37:38,753 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:37:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-12-02 20:37:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:37:38,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:37:38,766 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] [2018-12-02 20:37:38,767 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:37:38,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:37:38,770 INFO L82 PathProgramCache]: Analyzing trace with hash -431686240, now seen corresponding path program 1 times [2018-12-02 20:37:38,773 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 20:37:38,773 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:37:38,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:37:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:37:39,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:37:39,484 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 20:37:39,484 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:37:39,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:37:39,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 20:37:39,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 20:37:39,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 20:37:39,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 20:37:39,515 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-12-02 20:37:39,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:37:39,530 INFO L93 Difference]: Finished difference Result 95 states and 137 transitions. [2018-12-02 20:37:39,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 20:37:39,531 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 20:37:39,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:37:39,536 INFO L225 Difference]: With dead ends: 95 [2018-12-02 20:37:39,537 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 20:37:39,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 20:37:39,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 20:37:39,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-02 20:37:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-02 20:37:39,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2018-12-02 20:37:39,561 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 23 [2018-12-02 20:37:39,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:37:39,561 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2018-12-02 20:37:39,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 20:37:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2018-12-02 20:37:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 20:37:39,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:37:39,562 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:37:39,562 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:37:39,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:37:39,563 INFO L82 PathProgramCache]: Analyzing trace with hash -2032451066, now seen corresponding path program 1 times [2018-12-02 20:37:39,563 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 20:37:39,563 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:37:39,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:37:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:37:40,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:37:40,261 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 20:37:40,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:37:40,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:37:40,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:37:40,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 20:37:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 20:37:40,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:37:40,280 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 3 states. [2018-12-02 20:37:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:37:40,295 INFO L93 Difference]: Finished difference Result 79 states and 100 transitions. [2018-12-02 20:37:40,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 20:37:40,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-02 20:37:40,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:37:40,297 INFO L225 Difference]: With dead ends: 79 [2018-12-02 20:37:40,297 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 20:37:40,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:37:40,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 20:37:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-02 20:37:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-02 20:37:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2018-12-02 20:37:40,301 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 24 [2018-12-02 20:37:40,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:37:40,301 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2018-12-02 20:37:40,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 20:37:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2018-12-02 20:37:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 20:37:40,302 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:37:40,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:37:40,302 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:37:40,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:37:40,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1126960761, now seen corresponding path program 1 times [2018-12-02 20:37:40,303 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 20:37:40,303 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:37:40,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:37:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:37:41,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:37:41,184 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 20:37:41,185 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 20:37:41,188 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-12-02 20:37:41,228 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 20:37:41,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-12-02 20:37:41,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:37:41,250 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 24 treesize of output 18 [2018-12-02 20:37:41,255 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-02 20:37:41,255 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:37:41,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:37:41,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:37:41,269 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 20:37:41,270 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-02 20:37:41,340 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 20:37:41,340 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:37:41,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:37:41,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:37:41,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:37:41,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:37:41,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:37:41,357 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand 7 states. [2018-12-02 20:37:49,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:37:49,738 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2018-12-02 20:37:49,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 20:37:49,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-02 20:37:49,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:37:49,741 INFO L225 Difference]: With dead ends: 61 [2018-12-02 20:37:49,742 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 20:37:49,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:37:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 20:37:49,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2018-12-02 20:37:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-02 20:37:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2018-12-02 20:37:49,747 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 32 [2018-12-02 20:37:49,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:37:49,747 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2018-12-02 20:37:49,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:37:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-12-02 20:37:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 20:37:49,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:37:49,748 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:37:49,749 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:37:49,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:37:49,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2064938982, now seen corresponding path program 1 times [2018-12-02 20:37:49,749 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 20:37:49,749 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:37:49,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:37:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:37:49,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:37:49,955 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 20:37:49,956 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:37:49,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:37:49,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:37:49,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:37:49,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:37:49,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:37:49,965 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 7 states. [2018-12-02 20:38:00,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:38:00,534 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2018-12-02 20:38:01,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 20:38:01,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-02 20:38:01,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:38:01,157 INFO L225 Difference]: With dead ends: 72 [2018-12-02 20:38:01,157 INFO L226 Difference]: Without dead ends: 49 [2018-12-02 20:38:01,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 20:38:01,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-02 20:38:01,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-12-02 20:38:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-02 20:38:01,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2018-12-02 20:38:01,162 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 32 [2018-12-02 20:38:01,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:38:01,162 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2018-12-02 20:38:01,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:38:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2018-12-02 20:38:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 20:38:01,163 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:38:01,163 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 20:38:01,163 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:38:01,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:38:01,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1818759558, now seen corresponding path program 1 times [2018-12-02 20:38:01,164 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 20:38:01,164 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:38:01,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:38:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:02,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:38:04,903 WARN L180 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 20:38:05,736 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 20:38:05,736 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:38:05,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:38:05,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 20:38:05,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:38:05,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:38:05,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:38:05,753 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 8 states. [2018-12-02 20:38:09,466 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 20:38:10,190 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 20:38:11,463 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-02 20:38:25,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:38:25,219 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-12-02 20:38:25,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:38:25,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-12-02 20:38:25,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:38:25,221 INFO L225 Difference]: With dead ends: 56 [2018-12-02 20:38:25,221 INFO L226 Difference]: Without dead ends: 49 [2018-12-02 20:38:25,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-02 20:38:25,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-02 20:38:25,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-12-02 20:38:25,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-02 20:38:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-12-02 20:38:25,230 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 33 [2018-12-02 20:38:25,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:38:25,231 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-12-02 20:38:25,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:38:25,231 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-12-02 20:38:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 20:38:25,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:38:25,232 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, 1, 1, 1] [2018-12-02 20:38:25,232 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:38:25,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:38:25,232 INFO L82 PathProgramCache]: Analyzing trace with hash 868525848, now seen corresponding path program 1 times [2018-12-02 20:38:25,233 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 20:38:25,233 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/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 20:38:25,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:38:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:38:25,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:38:25,648 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 20:38:25,648 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:38:25,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:38:25,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 20:38:25,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:38:25,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:38:25,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:38:25,659 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 8 states. [2018-12-02 20:38:30,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:38:30,253 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-12-02 20:38:30,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:38:30,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-12-02 20:38:30,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:38:30,254 INFO L225 Difference]: With dead ends: 47 [2018-12-02 20:38:30,255 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 20:38:30,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-12-02 20:38:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 20:38:30,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 20:38:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 20:38:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 20:38:30,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-02 20:38:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:38:30,256 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 20:38:30,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:38:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 20:38:30,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:38:30,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 20:38:30,915 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-12-02 20:38:30,956 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 137) the Hoare annotation is: true [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 137) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 137) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L451 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L451 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 126 134) the Hoare annotation is: true [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 20:38:30,956 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((|v_q#valueAsBitvector_5| (_ BitVec 64))) (and (= ((_ extract 31 0) |v_q#valueAsBitvector_5|) __ieee754_log_~lx~1) (= ((_ extract 63 32) |v_q#valueAsBitvector_5|) __ieee754_log_~hx~1) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_5|) ((_ extract 62 52) |v_q#valueAsBitvector_5|) ((_ extract 51 0) |v_q#valueAsBitvector_5|))))) (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_7|))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|))) (not (bvslt .cse0 (_ bv0 32)))))))) [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-02 20:38:30,957 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 20:38:30,957 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-02 20:38:30,957 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((|v_q#valueAsBitvector_6| (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_6|) ((_ extract 62 52) |v_q#valueAsBitvector_6|) ((_ extract 51 0) |v_q#valueAsBitvector_6|))) (not (bvslt ((_ extract 63 32) |v_q#valueAsBitvector_6|) (_ bv1048576 32))))) (= __ieee754_log_~x |__ieee754_log_#in~x|)) (exists ((|v_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) |v_q#valueAsBitvector_7|))) (and (bvslt .cse0 (_ bv1048576 32)) (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_7|) ((_ extract 62 52) |v_q#valueAsBitvector_7|) ((_ extract 51 0) |v_q#valueAsBitvector_7|))) (not (bvslt .cse0 (_ bv0 32))))))) [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-12-02 20:38:30,958 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 20:38:30,958 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 139 160) the Hoare annotation is: true [2018-12-02 20:38:30,958 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((__ieee754_log_~x (_ FloatingPoint 11 53))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven __ieee754_log_~x __ieee754_log_~x) (_ +zero 11 53)) main_~res~0)) (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))) [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 139 160) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 153 156) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L444 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (not (= (_ +zero 11 53) ~zero~0))) [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L444 ceAbstractionStarter]: At program point L148-1(line 148) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero~0)) (and |main_#t~short16| (fp.lt main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))) [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L148-4(lines 148 157) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point L148-6(lines 148 157) no Hoare annotation was computed. [2018-12-02 20:38:30,959 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 139 160) no Hoare annotation was computed. [2018-12-02 20:38:30,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:30,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:30,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:38:30 BoogieIcfgContainer [2018-12-02 20:38:30,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:38:30,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:38:30,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:38:30,974 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:38:30,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:38" (3/4) ... [2018-12-02 20:38:30,977 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:38:30,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 20:38:30,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-12-02 20:38:30,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 20:38:30,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-02 20:38:30,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 20:38:30,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2018-12-02 20:38:30,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-02 20:38:30,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 20:38:30,984 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 20:38:31,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-02 20:38:31,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_q#valueAsBitvector_5 : bv64 :: (v_q#valueAsBitvector_5[31:0] == lx && v_q#valueAsBitvector_5[63:32] == hx) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_5[63:63], v_q#valueAsBitvector_5[62:52], v_q#valueAsBitvector_5[51:0])) && (\exists v_q#valueAsBitvector_7 : bv64 :: (~bvslt32(v_q#valueAsBitvector_7[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0])) && !~bvslt32(v_q#valueAsBitvector_7[63:32], 0bv32))) [2018-12-02 20:38:31,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && !~bvslt32(v_q#valueAsBitvector_6[63:32], 1048576bv32)) && x == \old(x))) || (\exists v_q#valueAsBitvector_7 : bv64 :: (~bvslt32(v_q#valueAsBitvector_7[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0])) && !~bvslt32(v_q#valueAsBitvector_7[63:32], 0bv32)) [2018-12-02 20:38:31,016 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d80049f3-e7ba-4ea4-8b1e-00b475b7ff04/bin-2019/uautomizer/witness.graphml [2018-12-02 20:38:31,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:38:31,017 INFO L168 Benchmark]: Toolchain (without parser) took 73339.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.4 MB in the beginning and 834.6 MB in the end (delta: 108.7 MB). Peak memory consumption was 254.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:31,017 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:38:31,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:31,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:31,018 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 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 20:38:31,018 INFO L168 Benchmark]: RCFGBuilder took 20747.23 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:31,018 INFO L168 Benchmark]: TraceAbstraction took 52260.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.4 MB in the end (delta: 257.5 MB). Peak memory consumption was 257.5 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:31,019 INFO L168 Benchmark]: Witness Printer took 42.62 ms. Allocated memory is still 1.2 GB. Free memory was 841.4 MB in the beginning and 834.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:38:31,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -206.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.48 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 20747.23 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52260.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.4 MB in the end (delta: 257.5 MB). Peak memory consumption was 257.5 MB. Max. memory is 11.5 GB. * Witness Printer took 42.62 ms. Allocated memory is still 1.2 GB. Free memory was 841.4 MB in the beginning and 834.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: (!(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_q#valueAsBitvector_6 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_6[63:63], v_q#valueAsBitvector_6[62:52], v_q#valueAsBitvector_6[51:0]) && !~bvslt32(v_q#valueAsBitvector_6[63:32], 1048576bv32)) && x == \old(x))) || (\exists v_q#valueAsBitvector_7 : bv64 :: (~bvslt32(v_q#valueAsBitvector_7[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0])) && !~bvslt32(v_q#valueAsBitvector_7[63:32], 0bv32)) - InvariantResult [Line: 65]: Loop Invariant [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-02 20:38:31,026 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-02 20:38:31,027 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero) || ((\exists v_q#valueAsBitvector_5 : bv64 :: (v_q#valueAsBitvector_5[31:0] == lx && v_q#valueAsBitvector_5[63:32] == hx) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_5[63:63], v_q#valueAsBitvector_5[62:52], v_q#valueAsBitvector_5[51:0])) && (\exists v_q#valueAsBitvector_7 : bv64 :: (~bvslt32(v_q#valueAsBitvector_7[63:32], 1048576bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_7[63:63], v_q#valueAsBitvector_7[62:52], v_q#valueAsBitvector_7[51:0])) && !~bvslt32(v_q#valueAsBitvector_7[63:32], 0bv32))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 1 error locations. SAFE Result, 52.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 43.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 302 SDtfs, 114 SDslu, 870 SDs, 0 SdLazy, 221 SolverSat, 14 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 37.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 27 PreInvPairs, 34 NumberOfFragments, 151 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 26 QuantifiedInterpolants, 24635 SizeOfPredicates, 17 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...