./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_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_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ................................................................................................................................................................................................................................................................................................................................. 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_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/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 ea7f366bf9317f351e4b5f275a15188ee4a0efbb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:05:17,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:05:17,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:05:17,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:05:17,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:05:17,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:05:17,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:05:17,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:05:17,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:05:17,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:05:17,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:05:17,460 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:05:17,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:05:17,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:05:17,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:05:17,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:05:17,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:05:17,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:05:17,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:05:17,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:05:17,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:05:17,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:05:17,468 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:05:17,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:05:17,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:05:17,469 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:05:17,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:05:17,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:05:17,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:05:17,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:05:17,471 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:05:17,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:05:17,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:05:17,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:05:17,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:05:17,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:05:17,473 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 02:05:17,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:05:17,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:05:17,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:05:17,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:05:17,481 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:05:17,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:05:17,481 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 02:05:17,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:05:17,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:05:17,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:05:17,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:05:17,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:05:17,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:05:17,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:05:17,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 02:05:17,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:05:17,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:05:17,484 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_064771d4-f945-48ba-88ad-2b9fec4293ee/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-12-02 02:05:17,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:05:17,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:05:17,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:05:17,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:05:17,512 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:05:17,512 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 02:05:17,548 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/15ebf201e/2dc783b70d0b4c49a88cf522c963e068/FLAGf8c761273 [2018-12-02 02:05:17,894 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:05:17,894 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 02:05:17,899 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/15ebf201e/2dc783b70d0b4c49a88cf522c963e068/FLAGf8c761273 [2018-12-02 02:05:17,907 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/15ebf201e/2dc783b70d0b4c49a88cf522c963e068 [2018-12-02 02:05:17,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:05:17,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:05:17,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:05:17,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:05:17,913 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:05:17,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:17" (1/1) ... [2018-12-02 02:05:17,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d43300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:17, skipping insertion in model container [2018-12-02 02:05:17,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:17" (1/1) ... [2018-12-02 02:05:17,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:05:17,932 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:05:18,044 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:05:18,046 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:05:18,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:05:18,119 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:05:18,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18 WrapperNode [2018-12-02 02:05:18,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:05:18,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:05:18,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:05:18,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:05:18,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:05:18,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:05:18,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:05:18,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:05:18,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... [2018-12-02 02:05:18,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:05:18,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:05:18,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:05:18,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:05:18,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:05:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:05:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 02:05:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 02:05:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:05:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 02:05:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 02:05:18,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:05:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:05:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:05:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 02:05:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 02:05:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 02:05:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 02:05:18,414 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:05:18,414 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 02:05:18,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:18 BoogieIcfgContainer [2018-12-02 02:05:18,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:05:18,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:05:18,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:05:18,417 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:05:18,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:05:17" (1/3) ... [2018-12-02 02:05:18,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:18, skipping insertion in model container [2018-12-02 02:05:18,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:18" (2/3) ... [2018-12-02 02:05:18,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:18, skipping insertion in model container [2018-12-02 02:05:18,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:18" (3/3) ... [2018-12-02 02:05:18,419 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-12-02 02:05:18,427 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:05:18,432 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:05:18,441 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:05:18,457 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 02:05:18,458 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:05:18,458 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:05:18,458 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:05:18,458 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:05:18,458 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:05:18,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:05:18,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:05:18,458 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:05:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-12-02 02:05:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:05:18,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:18,473 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] [2018-12-02 02:05:18,474 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:18,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1961299150, now seen corresponding path program 1 times [2018-12-02 02:05:18,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:05:18,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:05:18,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:05:18,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:18,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:05:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:05:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:05:18,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:05:18,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:05:18,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:05:18,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:05:18,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:05:18,591 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-12-02 02:05:18,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:05:18,612 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2018-12-02 02:05:18,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:05:18,613 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 02:05:18,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:05:18,618 INFO L225 Difference]: With dead ends: 147 [2018-12-02 02:05:18,618 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 02:05:18,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:05:18,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 02:05:18,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-02 02:05:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-02 02:05:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-12-02 02:05:18,644 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 22 [2018-12-02 02:05:18,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:05:18,644 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-12-02 02:05:18,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:05:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-12-02 02:05:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 02:05:18,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:18,645 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:05:18,645 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:18,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:18,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1590430122, now seen corresponding path program 1 times [2018-12-02 02:05:18,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:05:18,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:05:18,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:05:18,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:18,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:05:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:05:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 02:05:18,706 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 02:05:18,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:05:18 BoogieIcfgContainer [2018-12-02 02:05:18,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:05:18,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:05:18,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:05:18,729 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:05:18,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:18" (3/4) ... [2018-12-02 02:05:18,731 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 02:05:18,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:05:18,732 INFO L168 Benchmark]: Toolchain (without parser) took 822.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -68.8 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:05:18,733 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:05:18,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:05:18,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:05:18,733 INFO L168 Benchmark]: Boogie Preprocessor took 23.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:05:18,734 INFO L168 Benchmark]: RCFGBuilder took 254.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:05:18,734 INFO L168 Benchmark]: TraceAbstraction took 313.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:05:18,734 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:05:18,736 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 254.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 313.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(one_asin)=6442450953, \old(one_sqrt)=6442450951, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450962, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450961, \old(pS1_asin)=6442450955, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450960, \old(pS4_asin)=6442450965, \old(pS5_asin)=6442450956, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450966, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450963, \old(tiny_sqrt)=6442450964, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L188] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L188] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L191] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:05:19,974 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:05:19,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:05:19,981 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:05:19,981 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:05:19,982 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:05:19,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:05:19,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:05:19,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:05:19,984 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:05:19,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:05:19,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:05:19,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:05:19,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:05:19,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:05:19,987 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:05:19,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:05:19,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:05:19,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:05:19,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:05:19,990 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:05:19,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:05:19,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:05:19,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:05:19,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:05:19,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:05:19,993 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:05:19,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:05:19,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:05:19,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:05:19,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:05:19,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:05:19,995 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:05:19,995 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:05:19,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:05:19,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:05:19,996 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 02:05:20,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:05:20,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:05:20,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:05:20,004 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:05:20,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:05:20,004 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:05:20,004 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 02:05:20,004 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:05:20,005 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:05:20,005 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:05:20,006 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 02:05:20,006 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 02:05:20,006 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_064771d4-f945-48ba-88ad-2b9fec4293ee/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 -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-12-02 02:05:20,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:05:20,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:05:20,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:05:20,038 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:05:20,038 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:05:20,039 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 02:05:20,085 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/a5414414f/722a9d1ce57b49a99f98440c0d4576c4/FLAG308dee493 [2018-12-02 02:05:20,427 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:05:20,427 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 02:05:20,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/a5414414f/722a9d1ce57b49a99f98440c0d4576c4/FLAG308dee493 [2018-12-02 02:05:20,822 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/data/a5414414f/722a9d1ce57b49a99f98440c0d4576c4 [2018-12-02 02:05:20,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:05:20,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:05:20,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:05:20,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:05:20,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:05:20,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:20" (1/1) ... [2018-12-02 02:05:20,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c3bafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:20, skipping insertion in model container [2018-12-02 02:05:20,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:20" (1/1) ... [2018-12-02 02:05:20,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:05:20,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:05:20,964 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:05:20,968 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:05:20,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:05:21,014 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:05:21,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21 WrapperNode [2018-12-02 02:05:21,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:05:21,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:05:21,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:05:21,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:05:21,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:05:21,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:05:21,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:05:21,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:05:21,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... [2018-12-02 02:05:21,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:05:21,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:05:21,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:05:21,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:05:21,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:05:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:05:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 02:05:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 02:05:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:05:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 02:05:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 02:05:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:05:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:05:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 02:05:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 02:05:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 02:05:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 02:05:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 02:05:21,257 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:05:21,281 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:05:30,218 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:05:30,240 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 02:05:30,790 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:05:30,790 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 02:05:30,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:30 BoogieIcfgContainer [2018-12-02 02:05:30,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:05:30,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:05:30,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:05:30,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:05:30,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:05:20" (1/3) ... [2018-12-02 02:05:30,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb0c446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:30, skipping insertion in model container [2018-12-02 02:05:30,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:21" (2/3) ... [2018-12-02 02:05:30,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb0c446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:05:30, skipping insertion in model container [2018-12-02 02:05:30,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:30" (3/3) ... [2018-12-02 02:05:30,795 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-12-02 02:05:30,800 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:05:30,804 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:05:30,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:05:30,829 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 02:05:30,829 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:05:30,829 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:05:30,830 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:05:30,830 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:05:30,830 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:05:30,830 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:05:30,830 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:05:30,830 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:05:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-12-02 02:05:30,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 02:05:30,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:30,843 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] [2018-12-02 02:05:30,845 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:30,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:30,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1112669961, now seen corresponding path program 1 times [2018-12-02 02:05:30,850 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:05:30,850 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 02:05:30,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:05:31,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:05:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:05:31,051 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:05:31,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:05:31,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:05:31,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:05:31,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:05:31,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:05:31,077 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-12-02 02:05:31,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:05:31,095 INFO L93 Difference]: Finished difference Result 145 states and 216 transitions. [2018-12-02 02:05:31,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:05:31,096 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 02:05:31,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:05:31,102 INFO L225 Difference]: With dead ends: 145 [2018-12-02 02:05:31,102 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 02:05:31,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:05:31,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 02:05:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 02:05:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 02:05:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-02 02:05:31,130 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-02 02:05:31,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:05:31,130 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-02 02:05:31,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:05:31,130 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-02 02:05:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 02:05:31,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:31,131 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] [2018-12-02 02:05:31,131 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:31,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:31,131 INFO L82 PathProgramCache]: Analyzing trace with hash -325270924, now seen corresponding path program 1 times [2018-12-02 02:05:31,132 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:05:31,132 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 02:05:31,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:05:31,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:05:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:05:31,385 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:05:31,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:05:31,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:05:31,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:05:31,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:05:31,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:05:31,400 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. Second operand 7 states. [2018-12-02 02:05:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:05:36,993 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2018-12-02 02:05:36,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:05:36,994 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 02:05:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:05:36,996 INFO L225 Difference]: With dead ends: 84 [2018-12-02 02:05:36,996 INFO L226 Difference]: Without dead ends: 74 [2018-12-02 02:05:36,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:05:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-02 02:05:37,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-02 02:05:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 02:05:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2018-12-02 02:05:37,003 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 22 [2018-12-02 02:05:37,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:05:37,003 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2018-12-02 02:05:37,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:05:37,004 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2018-12-02 02:05:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 02:05:37,004 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:37,004 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:05:37,004 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:37,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1816930425, now seen corresponding path program 1 times [2018-12-02 02:05:37,005 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:05:37,005 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 02:05:37,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:05:37,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:05:38,170 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 02:05:39,522 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 02:05:41,592 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 02:05:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:05:44,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:05:44,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:05:44,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:05:44,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:05:44,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:05:44,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:05:44,138 INFO L87 Difference]: Start difference. First operand 72 states and 88 transitions. Second operand 7 states. [2018-12-02 02:05:51,287 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 02:05:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:05:52,220 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2018-12-02 02:05:52,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:05:52,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-02 02:05:52,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:05:52,222 INFO L225 Difference]: With dead ends: 79 [2018-12-02 02:05:52,222 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 02:05:52,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:05:52,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 02:05:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 02:05:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 02:05:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2018-12-02 02:05:52,230 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 23 [2018-12-02 02:05:52,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:05:52,230 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2018-12-02 02:05:52,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:05:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2018-12-02 02:05:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 02:05:52,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:52,231 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:05:52,231 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:52,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:52,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1516262063, now seen corresponding path program 1 times [2018-12-02 02:05:52,232 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:05:52,232 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 02:05:52,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:05:53,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:05:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:05:53,340 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:05:53,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:05:53,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 02:05:53,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:05:53,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:05:53,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:05:53,358 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand 9 states. [2018-12-02 02:05:58,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:05:58,524 INFO L93 Difference]: Finished difference Result 98 states and 117 transitions. [2018-12-02 02:05:58,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 02:05:58,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-12-02 02:05:58,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:05:58,525 INFO L225 Difference]: With dead ends: 98 [2018-12-02 02:05:58,526 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 02:05:58,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:05:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 02:05:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 67. [2018-12-02 02:05:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-02 02:05:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2018-12-02 02:05:58,531 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 25 [2018-12-02 02:05:58,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:05:58,531 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2018-12-02 02:05:58,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:05:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2018-12-02 02:05:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 02:05:58,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:05:58,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:05:58,532 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:05:58,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:05:58,533 INFO L82 PathProgramCache]: Analyzing trace with hash -732213124, now seen corresponding path program 1 times [2018-12-02 02:05:58,533 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:05:58,533 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 02:05:58,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:05:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:05:59,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:05:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:05:59,770 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:05:59,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:05:59,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 02:05:59,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:05:59,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:05:59,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:05:59,790 INFO L87 Difference]: Start difference. First operand 67 states and 79 transitions. Second operand 9 states. [2018-12-02 02:06:02,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:06:02,381 INFO L93 Difference]: Finished difference Result 83 states and 97 transitions. [2018-12-02 02:06:02,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:06:02,382 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-12-02 02:06:02,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:06:02,383 INFO L225 Difference]: With dead ends: 83 [2018-12-02 02:06:02,383 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 02:06:02,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-12-02 02:06:02,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 02:06:02,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-02 02:06:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-02 02:06:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2018-12-02 02:06:02,387 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 45 [2018-12-02 02:06:02,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:06:02,387 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2018-12-02 02:06:02,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:06:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2018-12-02 02:06:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 02:06:02,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:06:02,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:06:02,388 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:06:02,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:06:02,388 INFO L82 PathProgramCache]: Analyzing trace with hash -132813291, now seen corresponding path program 1 times [2018-12-02 02:06:02,388 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 02:06:02,389 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-02 02:06:02,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:06:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:06:03,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:06:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:06:03,580 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 02:06:03,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:06:03,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:06:03,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:06:03,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:06:03,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:06:03,603 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand 5 states. [2018-12-02 02:06:03,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:06:03,634 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2018-12-02 02:06:03,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 02:06:03,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-02 02:06:03,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:06:03,635 INFO L225 Difference]: With dead ends: 67 [2018-12-02 02:06:03,635 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:06:03,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:06:03,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:06:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:06:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:06:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:06:03,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-12-02 02:06:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:06:03,636 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:06:03,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:06:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:06:03,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:06:03,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:06:03,851 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-12-02 02:06:04,079 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-12-02 02:06:04,882 WARN L180 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-02 02:06:04,884 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-02 02:06:04,884 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-02 02:06:04,884 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-02 02:06:04,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:06:04,884 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:06:04,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 02:06:04,885 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-02 02:06:04,885 INFO L444 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (and (exists ((__ieee754_asinf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven __ieee754_asinf_~x __ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse1)) (fp.gt main_~x~0 .cse1)))) [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 194) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 176 198) the Hoare annotation is: true [2018-12-02 02:06:04,886 INFO L444 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 176 198) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 176 198) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2018-12-02 02:06:04,886 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (let ((.cse0 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (.cse2 (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) (or (and .cse0 (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1))) (and (not (bvsgt .cse1 (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (= (bvadd .cse1 (_ bv3229614080 32)) (_ bv0 32))) (not (bvslt .cse1 (_ bv1056964608 32)))))) .cse2) (and .cse0 (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse2))) [2018-12-02 02:06:04,887 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|))) (.cse2 (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) (or (and .cse0 (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1))) (and (not (bvsgt .cse1 (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (= (bvadd .cse1 (_ bv3229614080 32)) (_ bv0 32))) (not (bvslt .cse1 (_ bv1056964608 32)))))) .cse2) (and .cse0 (bvslt __ieee754_asinf_~ix~2 (_ bv1056964608 32)) .cse2))) [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-12-02 02:06:04,887 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L444 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L451 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-02 02:06:04,888 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-02 02:06:04,889 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2018-12-02 02:06:04,889 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-02 02:06:04,890 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-02 02:06:04,890 INFO L451 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2018-12-02 02:06:04,890 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-02 02:06:04,890 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-02 02:06:04,890 INFO L451 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2018-12-02 02:06:04,890 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-02 02:06:04,890 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-02 02:06:04,896 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,897 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,900 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,900 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,901 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,901 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:06:04 BoogieIcfgContainer [2018-12-02 02:06:04,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:06:04,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:06:04,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:06:04,903 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:06:04,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:05:30" (3/4) ... [2018-12-02 02:06:04,907 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:06:04,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 02:06:04,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:06:04,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-02 02:06:04,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:06:04,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-02 02:06:04,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 02:06:04,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-02 02:06:04,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 02:06:04,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 02:06:04,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:06:04,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 02:06:04,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) [2018-12-02 02:06:04,959 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_064771d4-f945-48ba-88ad-2b9fec4293ee/bin-2019/uautomizer/witness.graphml [2018-12-02 02:06:04,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:06:04,960 INFO L168 Benchmark]: Toolchain (without parser) took 44135.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -231.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:06:04,961 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:06:04,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.47 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:06:04,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.35 ms. Allocated memory is still 1.0 GB. Free memory was 925.9 MB in the beginning and 920.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:06:04,961 INFO L168 Benchmark]: Boogie Preprocessor took 70.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-02 02:06:04,962 INFO L168 Benchmark]: RCFGBuilder took 9686.27 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:06:04,962 INFO L168 Benchmark]: TraceAbstraction took 34111.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.3 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:06:04,962 INFO L168 Benchmark]: Witness Printer took 56.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:06:04,963 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 188.47 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 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 18.35 ms. Allocated memory is still 1.0 GB. Free memory was 925.9 MB in the beginning and 920.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9686.27 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34111.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -118.3 MB). Peak memory consumption was 271.7 MB. Max. memory is 11.5 GB. * Witness Printer took 56.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-12-02 02:06:04,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 02:06:04,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 34.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 21.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 474 SDtfs, 216 SDslu, 1593 SDs, 0 SdLazy, 202 SolverSat, 46 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 38 PreInvPairs, 56 NumberOfFragments, 293 HoareAnnotationTreeSize, 38 FomulaSimplifications, 176 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 133 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 177 ConstructedInterpolants, 34 QuantifiedInterpolants, 31225 SizeOfPredicates, 17 NumberOfNonLiveVariables, 767 ConjunctsInSsa, 41 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! Received shutdown request...