./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_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:01:43,475 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:01:43,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:01:43,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:01:43,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:01:43,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:01:43,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:01:43,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:01:43,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:01:43,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:01:43,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:01:43,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:01:43,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:01:43,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:01:43,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:01:43,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:01:43,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:01:43,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:01:43,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:01:43,496 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:01:43,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:01:43,497 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:01:43,499 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:01:43,499 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:01:43,500 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:01:43,500 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:01:43,501 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:01:43,502 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:01:43,502 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:01:43,503 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:01:43,503 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:01:43,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:01:43,504 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:01:43,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:01:43,504 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:01:43,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:01:43,505 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 09:01:43,515 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:01:43,515 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:01:43,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:01:43,515 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:01:43,516 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:01:43,516 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:01:43,516 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:01:43,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:01:43,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:01:43,517 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:01:43,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:01:43,518 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:01:43,518 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:01:43,519 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 09:01:43,519 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:01:43,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:01:43,519 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_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:01:43,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:01:43,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:01:43,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:01:43,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:01:43,552 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:01:43,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-09 09:01:43,590 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/90b9f9011/01fb78b6047643c1b870cb152f156a03/FLAG3edbe8f4f [2018-12-09 09:01:43,944 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:01:43,945 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-09 09:01:43,949 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/90b9f9011/01fb78b6047643c1b870cb152f156a03/FLAG3edbe8f4f [2018-12-09 09:01:44,332 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/90b9f9011/01fb78b6047643c1b870cb152f156a03 [2018-12-09 09:01:44,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:01:44,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:01:44,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:01:44,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:01:44,338 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:01:44,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12334432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44, skipping insertion in model container [2018-12-09 09:01:44,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:01:44,357 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:01:44,460 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:01:44,462 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:01:44,486 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:01:44,527 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:01:44,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44 WrapperNode [2018-12-09 09:01:44,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:01:44,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:01:44,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:01:44,528 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:01:44,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:01:44,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:01:44,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:01:44,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:01:44,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... [2018-12-09 09:01:44,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:01:44,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:01:44,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:01:44,581 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:01:44,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:01:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 09:01:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 09:01:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-09 09:01:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-09 09:01:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 09:01:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 09:01:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:01:44,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:01:44,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:01:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:01:44,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:01:44,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:01:44,795 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:01:44,795 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 09:01:44,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:01:44 BoogieIcfgContainer [2018-12-09 09:01:44,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:01:44,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:01:44,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:01:44,798 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:01:44,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:01:44" (1/3) ... [2018-12-09 09:01:44,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28806fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:01:44, skipping insertion in model container [2018-12-09 09:01:44,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:44" (2/3) ... [2018-12-09 09:01:44,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28806fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:01:44, skipping insertion in model container [2018-12-09 09:01:44,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:01:44" (3/3) ... [2018-12-09 09:01:44,800 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-12-09 09:01:44,806 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:01:44,810 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:01:44,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:01:44,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:01:44,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:01:44,840 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:01:44,840 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:01:44,840 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:01:44,840 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:01:44,840 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:01:44,840 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:01:44,840 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:01:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-12-09 09:01:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 09:01:44,855 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:01:44,856 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] [2018-12-09 09:01:44,857 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:01:44,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:01:44,860 INFO L82 PathProgramCache]: Analyzing trace with hash 2102658716, now seen corresponding path program 1 times [2018-12-09 09:01:44,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:01:44,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:01:44,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:01:44,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:01:44,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:01:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:01:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:01:44,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:01:44,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:01:44,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:01:44,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:01:44,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:01:44,974 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 3 states. [2018-12-09 09:01:44,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:01:44,998 INFO L93 Difference]: Finished difference Result 98 states and 141 transitions. [2018-12-09 09:01:44,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:01:44,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-09 09:01:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:01:45,004 INFO L225 Difference]: With dead ends: 98 [2018-12-09 09:01:45,005 INFO L226 Difference]: Without dead ends: 48 [2018-12-09 09:01:45,007 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 [2018-12-09 09:01:45,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-09 09:01:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-09 09:01:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-09 09:01:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-12-09 09:01:45,029 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 24 [2018-12-09 09:01:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:01:45,030 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-12-09 09:01:45,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:01:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-12-09 09:01:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:01:45,031 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:01:45,031 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] [2018-12-09 09:01:45,031 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:01:45,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:01:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1999721833, now seen corresponding path program 1 times [2018-12-09 09:01:45,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:01:45,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:01:45,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:01:45,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:01:45,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:01:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:01:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:01:45,114 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 09:01:45,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:01:45 BoogieIcfgContainer [2018-12-09 09:01:45,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:01:45,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:01:45,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:01:45,141 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:01:45,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:01:44" (3/4) ... [2018-12-09 09:01:45,144 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 09:01:45,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:01:45,144 INFO L168 Benchmark]: Toolchain (without parser) took 809.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -84.4 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,145 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:01:45,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,146 INFO L168 Benchmark]: Boogie Preprocessor took 30.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,146 INFO L168 Benchmark]: RCFGBuilder took 213.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,147 INFO L168 Benchmark]: TraceAbstraction took 344.68 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,147 INFO L168 Benchmark]: Witness Printer took 3.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:01:45,149 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 344.68 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: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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 [2018-12-09 09:01:46,478 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:01:46,479 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:01:46,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:01:46,485 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:01:46,485 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:01:46,486 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:01:46,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:01:46,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:01:46,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:01:46,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:01:46,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:01:46,489 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:01:46,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:01:46,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:01:46,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:01:46,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:01:46,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:01:46,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:01:46,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:01:46,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:01:46,495 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:01:46,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:01:46,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:01:46,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:01:46,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:01:46,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:01:46,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:01:46,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:01:46,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:01:46,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:01:46,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:01:46,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:01:46,501 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:01:46,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:01:46,502 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:01:46,502 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 09:01:46,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:01:46,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:01:46,512 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:01:46,513 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:01:46,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:01:46,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:01:46,513 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:01:46,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:01:46,514 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:01:46,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:01:46,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:01:46,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:01:46,514 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:01:46,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:01:46,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:01:46,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:01:46,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:01:46,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:01:46,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:01:46,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:01:46,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:01:46,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:01:46,517 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 09:01:46,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:01:46,517 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 09:01:46,517 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 09:01:46,518 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_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:01:46,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:01:46,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:01:46,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:01:46,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:01:46,552 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:01:46,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-09 09:01:46,588 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/77ef6ffbb/81642a55a5ab4e6b85ee123ab3915b3a/FLAG7a60ca3c6 [2018-12-09 09:01:47,019 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:01:47,020 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/sv-benchmarks/c/float-newlib/double_req_bl_0920a_true-unreach-call.c [2018-12-09 09:01:47,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/77ef6ffbb/81642a55a5ab4e6b85ee123ab3915b3a/FLAG7a60ca3c6 [2018-12-09 09:01:47,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/data/77ef6ffbb/81642a55a5ab4e6b85ee123ab3915b3a [2018-12-09 09:01:47,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:01:47,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:01:47,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:01:47,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:01:47,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:01:47,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47, skipping insertion in model container [2018-12-09 09:01:47,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:01:47,055 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:01:47,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:01:47,166 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:01:47,194 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:01:47,211 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:01:47,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47 WrapperNode [2018-12-09 09:01:47,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:01:47,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:01:47,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:01:47,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:01:47,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:01:47,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:01:47,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:01:47,229 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:01:47,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... [2018-12-09 09:01:47,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:01:47,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:01:47,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:01:47,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:01:47,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:01:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 09:01:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 09:01:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-12-09 09:01:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-12-09 09:01:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 09:01:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-09 09:01:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-09 09:01:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 09:01:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:01:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:01:47,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:01:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:01:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:01:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 09:01:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:01:47,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:01:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 09:01:47,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:01:47,443 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:01:47,488 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:01:51,140 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:02:08,568 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 09:02:08,633 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:02:08,633 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 09:02:08,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:02:08 BoogieIcfgContainer [2018-12-09 09:02:08,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:02:08,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:02:08,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:02:08,636 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:02:08,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:01:47" (1/3) ... [2018-12-09 09:02:08,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2defc68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:02:08, skipping insertion in model container [2018-12-09 09:02:08,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:01:47" (2/3) ... [2018-12-09 09:02:08,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2defc68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:02:08, skipping insertion in model container [2018-12-09 09:02:08,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:02:08" (3/3) ... [2018-12-09 09:02:08,638 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a_true-unreach-call.c [2018-12-09 09:02:08,644 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:02:08,648 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:02:08,657 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:02:08,674 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:02:08,674 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:02:08,674 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:02:08,674 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:02:08,675 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:02:08,675 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:02:08,675 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:02:08,675 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:02:08,675 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:02:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-12-09 09:02:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:02:08,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:02:08,688 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] [2018-12-09 09:02:08,690 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:02:08,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:08,693 INFO L82 PathProgramCache]: Analyzing trace with hash -431686240, now seen corresponding path program 1 times [2018-12-09 09:02:08,695 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:02:08,696 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:02:08,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:02:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:09,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:02:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:09,381 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:02:09,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:02:09,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 09:02:09,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 09:02:09,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 09:02:09,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 09:02:09,409 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-12-09 09:02:09,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:02:09,424 INFO L93 Difference]: Finished difference Result 95 states and 137 transitions. [2018-12-09 09:02:09,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 09:02:09,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 09:02:09,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:02:09,431 INFO L225 Difference]: With dead ends: 95 [2018-12-09 09:02:09,431 INFO L226 Difference]: Without dead ends: 47 [2018-12-09 09:02:09,433 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 [2018-12-09 09:02:09,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-09 09:02:09,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-09 09:02:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-09 09:02:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2018-12-09 09:02:09,456 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 23 [2018-12-09 09:02:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:02:09,456 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2018-12-09 09:02:09,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 09:02:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2018-12-09 09:02:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 09:02:09,457 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:02:09,457 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] [2018-12-09 09:02:09,457 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:02:09,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:09,458 INFO L82 PathProgramCache]: Analyzing trace with hash -2032451066, now seen corresponding path program 1 times [2018-12-09 09:02:09,458 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:02:09,458 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:02:09,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:02:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:10,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:02:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:10,142 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:02:10,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:02:10,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:02:10,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:02:10,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:02:10,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:02:10,159 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 3 states. [2018-12-09 09:02:10,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:02:10,170 INFO L93 Difference]: Finished difference Result 79 states and 100 transitions. [2018-12-09 09:02:10,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:02:10,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-09 09:02:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:02:10,171 INFO L225 Difference]: With dead ends: 79 [2018-12-09 09:02:10,171 INFO L226 Difference]: Without dead ends: 47 [2018-12-09 09:02:10,171 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 [2018-12-09 09:02:10,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-09 09:02:10,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-09 09:02:10,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-09 09:02:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2018-12-09 09:02:10,175 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 24 [2018-12-09 09:02:10,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:02:10,175 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2018-12-09 09:02:10,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:02:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2018-12-09 09:02:10,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 09:02:10,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:02:10,176 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] [2018-12-09 09:02:10,176 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:02:10,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1126960761, now seen corresponding path program 1 times [2018-12-09 09:02:10,177 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:02:10,177 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:02:10,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:02:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:10,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:02:11,020 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:02:11,021 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:02:11,025 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 [2018-12-09 09:02:11,062 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 09:02:11,067 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 [2018-12-09 09:02:11,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 09:02:11,081 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 [2018-12-09 09:02:11,085 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 [2018-12-09 09:02:11,086 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 09:02:11,088 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:02:11,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 09:02:11,101 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. [2018-12-09 09:02:11,101 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-12-09 09:02:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:11,171 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:02:11,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:02:11,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:02:11,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:02:11,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:02:11,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:02:11,188 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand 7 states. [2018-12-09 09:02:24,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:02:24,867 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2018-12-09 09:02:24,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:02:24,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-09 09:02:24,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:02:24,871 INFO L225 Difference]: With dead ends: 61 [2018-12-09 09:02:24,871 INFO L226 Difference]: Without dead ends: 51 [2018-12-09 09:02:24,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:02:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-09 09:02:24,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2018-12-09 09:02:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-09 09:02:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2018-12-09 09:02:24,878 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 32 [2018-12-09 09:02:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:02:24,878 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2018-12-09 09:02:24,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:02:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-12-09 09:02:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 09:02:24,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:02:24,879 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] [2018-12-09 09:02:24,879 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:02:24,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2064938982, now seen corresponding path program 1 times [2018-12-09 09:02:24,880 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:02:24,880 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:02:24,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:02:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:24,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:02:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:25,090 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:02:25,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:02:25,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:02:25,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:02:25,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:02:25,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:02:25,102 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 7 states. [2018-12-09 09:02:35,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:02:35,025 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2018-12-09 09:02:35,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 09:02:35,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-09 09:02:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:02:35,638 INFO L225 Difference]: With dead ends: 72 [2018-12-09 09:02:35,638 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 09:02:35,638 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 [2018-12-09 09:02:35,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 09:02:35,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-12-09 09:02:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-09 09:02:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2018-12-09 09:02:35,643 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 32 [2018-12-09 09:02:35,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:02:35,644 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2018-12-09 09:02:35,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:02:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2018-12-09 09:02:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:02:35,644 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:02:35,644 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] [2018-12-09 09:02:35,645 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:02:35,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:35,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1818759558, now seen corresponding path program 1 times [2018-12-09 09:02:35,645 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:02:35,645 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:02:35,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:02:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:36,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:02:38,887 WARN L180 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 09:02:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:39,653 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:02:39,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:02:39,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:02:39,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:02:39,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:02:39,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:02:39,668 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 8 states. [2018-12-09 09:02:43,232 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 09:02:43,878 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 09:02:45,284 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 09:02:58,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:02:58,919 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-12-09 09:02:58,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 09:02:58,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-12-09 09:02:58,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:02:58,921 INFO L225 Difference]: With dead ends: 56 [2018-12-09 09:02:58,921 INFO L226 Difference]: Without dead ends: 49 [2018-12-09 09:02:58,921 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-09 09:02:58,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-09 09:02:58,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-12-09 09:02:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-09 09:02:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2018-12-09 09:02:58,926 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 33 [2018-12-09 09:02:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:02:58,927 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2018-12-09 09:02:58,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:02:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-12-09 09:02:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 09:02:58,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:02:58,927 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] [2018-12-09 09:02:58,927 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:02:58,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash 868525848, now seen corresponding path program 1 times [2018-12-09 09:02:58,928 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 09:02:58,928 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/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 [2018-12-09 09:02:58,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:02:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:59,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:02:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:59,348 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 09:02:59,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:02:59,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 09:02:59,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 09:02:59,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 09:02:59,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:02:59,362 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand 8 states. [2018-12-09 09:03:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:03:03,975 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-12-09 09:03:03,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 09:03:03,977 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-12-09 09:03:03,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:03:03,977 INFO L225 Difference]: With dead ends: 47 [2018-12-09 09:03:03,977 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:03:03,977 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 [2018-12-09 09:03:03,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:03:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:03:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:03:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:03:03,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-09 09:03:03,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:03:03,978 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:03:03,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 09:03:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:03:03,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:03:03,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:03:04,583 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-12-09 09:03:04,622 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 137) the Hoare annotation is: true [2018-12-09 09:03:04,622 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 137) no Hoare annotation was computed. [2018-12-09 09:03:04,622 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 137) no Hoare annotation was computed. [2018-12-09 09:03:04,622 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L451 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L451 ceAbstractionStarter]: At program point isfinite_doubleENTRY(lines 126 134) the Hoare annotation is: true [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-12-09 09:03:04,623 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)))))))) [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-12-09 09:03:04,623 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-12-09 09:03:04,624 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))) [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-12-09 09:03:04,624 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-12-09 09:03:04,625 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))))))) [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:03:04,625 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero~0) [2018-12-09 09:03:04,625 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-12-09 09:03:04,625 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 139 160) the Hoare annotation is: true [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 09:03:04,625 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))))) [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 139 160) no Hoare annotation was computed. [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 153 156) no Hoare annotation was computed. [2018-12-09 09:03:04,625 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))) [2018-12-09 09:03:04,625 INFO L448 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-12-09 09:03:04,626 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 09:03:04,626 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))))) [2018-12-09 09:03:04,626 INFO L448 ceAbstractionStarter]: For program point L148-2(line 148) no Hoare annotation was computed. [2018-12-09 09:03:04,626 INFO L448 ceAbstractionStarter]: For program point L148-4(lines 148 157) no Hoare annotation was computed. [2018-12-09 09:03:04,626 INFO L448 ceAbstractionStarter]: For program point L148-6(lines 148 157) no Hoare annotation was computed. [2018-12-09 09:03:04,626 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 139 160) no Hoare annotation was computed. [2018-12-09 09:03:04,630 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,630 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,634 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,635 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,639 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,639 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,639 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,639 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:03:04 BoogieIcfgContainer [2018-12-09 09:03:04,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:03:04,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:03:04,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:03:04,642 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:03:04,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:02:08" (3/4) ... [2018-12-09 09:03:04,644 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:03:04,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 09:03:04,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-12-09 09:03:04,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:03:04,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-09 09:03:04,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:03:04,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-12-09 09:03:04,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 09:03:04,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 09:03:04,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:03:04,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero) [2018-12-09 09:03:04,669 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))) [2018-12-09 09:03:04,669 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)) [2018-12-09 09:03:04,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae326c7d-b106-4c9d-a365-288f477903c7/bin-2019/uautomizer/witness.graphml [2018-12-09 09:03:04,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:03:04,690 INFO L168 Benchmark]: Toolchain (without parser) took 77656.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.4 MB in the beginning and 824.8 MB in the end (delta: 118.5 MB). Peak memory consumption was 254.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:04,691 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:03:04,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.67 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. [2018-12-09 09:03:04,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.41 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:03:04,692 INFO L168 Benchmark]: Boogie Preprocessor took 65.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:04,692 INFO L168 Benchmark]: RCFGBuilder took 21339.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:04,692 INFO L168 Benchmark]: TraceAbstraction took 56007.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.6 MB in the end (delta: 252.8 MB). Peak memory consumption was 252.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:04,692 INFO L168 Benchmark]: Witness Printer took 47.82 ms. Allocated memory is still 1.2 GB. Free memory was 831.6 MB in the beginning and 824.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:03:04,694 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.67 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 17.41 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21339.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56007.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 831.6 MB in the end (delta: 252.8 MB). Peak memory consumption was 252.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.82 ms. Allocated memory is still 1.2 GB. Free memory was 831.6 MB in the beginning and 824.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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 [2018-12-09 09:03:04,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,698 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,699 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_6,QUANTIFIED] [2018-12-09 09:03:04,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,700 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,701 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,701 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,701 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 [2018-12-09 09:03:04,701 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,702 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,702 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,702 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,702 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,702 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,702 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_5,QUANTIFIED] [2018-12-09 09:03:04,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_7,QUANTIFIED] [2018-12-09 09:03:04,704 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, 55.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 48.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 303 SDtfs, 109 SDslu, 872 SDs, 0 SdLazy, 211 SolverSat, 14 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 41.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.0s 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, 3.8s 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...