./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_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_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ...................................................................................................................................................................................................................................................................................................... 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_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:02:07,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:02:07,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:02:07,708 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:02:07,708 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:02:07,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:02:07,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:02:07,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:02:07,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:02:07,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:02:07,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:02:07,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:02:07,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:02:07,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:02:07,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:02:07,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:02:07,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:02:07,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:02:07,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:02:07,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:02:07,717 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:02:07,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:02:07,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:02:07,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:02:07,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:02:07,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:02:07,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:02:07,720 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:02:07,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:02:07,721 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:02:07,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:02:07,722 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:02:07,722 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:02:07,722 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:02:07,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:02:07,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:02:07,723 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 21:02:07,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:02:07,730 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:02:07,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:02:07,731 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:02:07,731 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:02:07,731 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:02:07,732 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:02:07,732 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:02:07,733 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:02:07,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:02:07,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:02:07,734 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 21:02:07,734 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:02:07,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:02:07,734 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_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-12-02 21:02:07,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:02:07,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:02:07,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:02:07,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:02:07,765 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:02:07,766 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-02 21:02:07,803 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/6fa6a4160/524063337a7949d8b7eea56d6825da20/FLAG9f1900771 [2018-12-02 21:02:08,094 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:02:08,094 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-02 21:02:08,098 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/6fa6a4160/524063337a7949d8b7eea56d6825da20/FLAG9f1900771 [2018-12-02 21:02:08,106 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/6fa6a4160/524063337a7949d8b7eea56d6825da20 [2018-12-02 21:02:08,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:02:08,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:02:08,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:08,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:02:08,111 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:02:08,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643265e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08, skipping insertion in model container [2018-12-02 21:02:08,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:02:08,127 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:02:08,225 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:08,227 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:02:08,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:08,253 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:02:08,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08 WrapperNode [2018-12-02 21:02:08,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:08,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:02:08,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:02:08,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:02:08,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:02:08,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:02:08,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:02:08,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:02:08,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... [2018-12-02 21:02:08,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:02:08,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:02:08,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:02:08,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:02:08,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 21:02:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 21:02:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:02:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:02:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 21:02:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:02:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:02:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:02:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 21:02:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:02:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:02:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-12-02 21:02:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-12-02 21:02:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-02 21:02:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-02 21:02:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:02:08,510 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:02:08,510 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 21:02:08,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:08 BoogieIcfgContainer [2018-12-02 21:02:08,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:02:08,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:02:08,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:02:08,513 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:02:08,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:02:08" (1/3) ... [2018-12-02 21:02:08,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e84714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:08, skipping insertion in model container [2018-12-02 21:02:08,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:08" (2/3) ... [2018-12-02 21:02:08,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e84714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:08, skipping insertion in model container [2018-12-02 21:02:08,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:08" (3/3) ... [2018-12-02 21:02:08,515 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d_true-unreach-call.c [2018-12-02 21:02:08,522 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:02:08,527 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:02:08,536 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:02:08,553 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:02:08,553 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:02:08,553 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:02:08,553 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:02:08,553 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:02:08,553 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:02:08,554 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:02:08,554 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:02:08,554 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:02:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-12-02 21:02:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 21:02:08,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:08,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:08,568 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:08,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:08,572 INFO L82 PathProgramCache]: Analyzing trace with hash 753691903, now seen corresponding path program 1 times [2018-12-02 21:02:08,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:08,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:08,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:08,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:08,641 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 21:02:08,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:08,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:08,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:02:08,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:02:08,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:08,653 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-12-02 21:02:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:08,666 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2018-12-02 21:02:08,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:02:08,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-02 21:02:08,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:08,671 INFO L225 Difference]: With dead ends: 68 [2018-12-02 21:02:08,671 INFO L226 Difference]: Without dead ends: 34 [2018-12-02 21:02:08,673 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 21:02:08,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-02 21:02:08,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-02 21:02:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-02 21:02:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-12-02 21:02:08,694 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2018-12-02 21:02:08,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:08,694 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-12-02 21:02:08,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:02:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-12-02 21:02:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 21:02:08,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:08,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:08,695 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:08,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:08,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1111015325, now seen corresponding path program 1 times [2018-12-02 21:02:08,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:02:08,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:02:08,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:08,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:08,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:02:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:08,749 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:02:08,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:02:08 BoogieIcfgContainer [2018-12-02 21:02:08,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:02:08,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:02:08,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:02:08,766 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:02:08,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:08" (3/4) ... [2018-12-02 21:02:08,768 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 21:02:08,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:02:08,769 INFO L168 Benchmark]: Toolchain (without parser) took 661.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -88.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:08,770 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:08,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.62 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:08,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:08,771 INFO L168 Benchmark]: Boogie Preprocessor took 50.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:08,771 INFO L168 Benchmark]: RCFGBuilder took 189.97 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:08,772 INFO L168 Benchmark]: TraceAbstraction took 254.94 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:08,772 INFO L168 Benchmark]: Witness Printer took 2.69 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 21:02:08,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.62 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 189.97 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 254.94 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L63] CALL, EXPR trunc_float(x) VAL [\old(x)=9] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=9, x=9] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (w) = gf_u.word [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L37] COND TRUE exponent_less_127 == 255 [L38] return x + x; VAL [\old(x)=9, exponent_less_127=255, signbit=-1, w=2, x=9] [L63] RET, EXPR trunc_float(x) VAL [trunc_float(x)=5, x=9] [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=5, res == -0.0f && __signbit_float(res) == 1=0, x=9] [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() VAL [res=5, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 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=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:02:10,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:02:10,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:02:10,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:02:10,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:02:10,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:02:10,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:02:10,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:02:10,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:02:10,099 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:02:10,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:02:10,099 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:02:10,100 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:02:10,101 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:02:10,101 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:02:10,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:02:10,102 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:02:10,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:02:10,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:02:10,104 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:02:10,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:02:10,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:02:10,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:02:10,107 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:02:10,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:02:10,107 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:02:10,108 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:02:10,108 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:02:10,109 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:02:10,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:02:10,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:02:10,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:02:10,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:02:10,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:02:10,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:02:10,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:02:10,111 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 21:02:10,118 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:02:10,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:02:10,118 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:02:10,119 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:02:10,119 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:02:10,119 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:02:10,119 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:02:10,119 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 21:02:10,120 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:02:10,121 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:02:10,121 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:02:10,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 21:02:10,122 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 21:02:10,123 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_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-12-02 21:02:10,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:02:10,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:02:10,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:02:10,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:02:10,155 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:02:10,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-02 21:02:10,194 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/e00009c43/8d7ad66167dd4c4daffcba433528acb6/FLAG8ba1c580e [2018-12-02 21:02:10,579 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:02:10,580 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-12-02 21:02:10,583 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/e00009c43/8d7ad66167dd4c4daffcba433528acb6/FLAG8ba1c580e [2018-12-02 21:02:10,591 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/data/e00009c43/8d7ad66167dd4c4daffcba433528acb6 [2018-12-02 21:02:10,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:02:10,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:02:10,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:10,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:02:10,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:02:10,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267733d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10, skipping insertion in model container [2018-12-02 21:02:10,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:02:10,612 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:02:10,704 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:10,707 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:02:10,723 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:02:10,737 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:02:10,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10 WrapperNode [2018-12-02 21:02:10,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:02:10,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:02:10,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:02:10,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:02:10,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:02:10,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:02:10,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:02:10,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:02:10,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... [2018-12-02 21:02:10,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:02:10,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:02:10,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:02:10,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:02:10,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:02:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:02:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:02:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-12-02 21:02:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 21:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-02 21:02:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-02 21:02:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 21:02:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 21:02:10,991 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:02:11,012 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 21:02:11,021 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:02:11,021 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 21:02:11,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:11 BoogieIcfgContainer [2018-12-02 21:02:11,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:02:11,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:02:11,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:02:11,023 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:02:11,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:02:10" (1/3) ... [2018-12-02 21:02:11,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b437e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:11, skipping insertion in model container [2018-12-02 21:02:11,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:02:10" (2/3) ... [2018-12-02 21:02:11,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b437e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:02:11, skipping insertion in model container [2018-12-02 21:02:11,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:11" (3/3) ... [2018-12-02 21:02:11,025 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d_true-unreach-call.c [2018-12-02 21:02:11,030 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:02:11,034 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:02:11,046 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:02:11,062 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:02:11,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:02:11,063 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:02:11,063 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:02:11,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:02:11,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:02:11,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:02:11,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:02:11,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:02:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-12-02 21:02:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 21:02:11,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:11,076 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:11,077 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:11,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:11,081 INFO L82 PathProgramCache]: Analyzing trace with hash 753691903, now seen corresponding path program 1 times [2018-12-02 21:02:11,083 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:02:11,083 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:11,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:11,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:11,147 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 21:02:11,147 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:11,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:11,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:02:11,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:02:11,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:02:11,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:11,166 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-12-02 21:02:11,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:11,179 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2018-12-02 21:02:11,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:02:11,180 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-02 21:02:11,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:11,187 INFO L225 Difference]: With dead ends: 68 [2018-12-02 21:02:11,187 INFO L226 Difference]: Without dead ends: 34 [2018-12-02 21:02:11,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:02:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-02 21:02:11,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-02 21:02:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-02 21:02:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-12-02 21:02:11,214 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2018-12-02 21:02:11,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:11,214 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-12-02 21:02:11,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:02:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-12-02 21:02:11,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 21:02:11,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:11,215 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:11,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:11,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:11,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1111015325, now seen corresponding path program 1 times [2018-12-02 21:02:11,216 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:02:11,216 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:11,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:11,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:11,342 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 21:02:11,343 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:11,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:11,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:02:11,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:02:11,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:02:11,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:02:11,352 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 7 states. [2018-12-02 21:02:11,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:11,664 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-12-02 21:02:11,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:02:11,665 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 21:02:11,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:11,666 INFO L225 Difference]: With dead ends: 52 [2018-12-02 21:02:11,666 INFO L226 Difference]: Without dead ends: 33 [2018-12-02 21:02:11,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:02:11,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-02 21:02:11,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-02 21:02:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-02 21:02:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-12-02 21:02:11,672 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 19 [2018-12-02 21:02:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:11,672 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-12-02 21:02:11,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:02:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-12-02 21:02:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:02:11,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:11,673 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 21:02:11,673 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:11,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash -2096519695, now seen corresponding path program 1 times [2018-12-02 21:02:11,674 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:02:11,674 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:11,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:11,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:11,788 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 21:02:11,789 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:11,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:11,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:02:11,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:02:11,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:02:11,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:02:11,799 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-12-02 21:02:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:12,034 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-12-02 21:02:12,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 21:02:12,035 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 21:02:12,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:12,036 INFO L225 Difference]: With dead ends: 49 [2018-12-02 21:02:12,036 INFO L226 Difference]: Without dead ends: 31 [2018-12-02 21:02:12,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-02 21:02:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-02 21:02:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-02 21:02:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-02 21:02:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-12-02 21:02:12,039 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-12-02 21:02:12,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:12,040 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-12-02 21:02:12,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:02:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-12-02 21:02:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 21:02:12,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:12,040 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 21:02:12,040 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:12,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:12,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1559687167, now seen corresponding path program 1 times [2018-12-02 21:02:12,041 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:02:12,041 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:12,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:12,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:12,121 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 21:02:12,121 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:12,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:12,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:02:12,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:02:12,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:02:12,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:02:12,129 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-12-02 21:02:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:12,203 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-12-02 21:02:12,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:02:12,204 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 21:02:12,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:12,204 INFO L225 Difference]: With dead ends: 34 [2018-12-02 21:02:12,204 INFO L226 Difference]: Without dead ends: 31 [2018-12-02 21:02:12,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:02:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-02 21:02:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-02 21:02:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-02 21:02:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-12-02 21:02:12,207 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-12-02 21:02:12,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:12,207 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-12-02 21:02:12,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:02:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-12-02 21:02:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 21:02:12,208 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:12,208 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:12,208 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:02:12,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:12,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1781626003, now seen corresponding path program 1 times [2018-12-02 21:02:12,209 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 21:02:12,209 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/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 21:02:12,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:12,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:12,565 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 21:02:12,566 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:12,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:12,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-12-02 21:02:12,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 21:02:12,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 21:02:12,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-12-02 21:02:12,573 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-12-02 21:02:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:13,297 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-12-02 21:02:13,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 21:02:13,298 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-12-02 21:02:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:13,298 INFO L225 Difference]: With dead ends: 31 [2018-12-02 21:02:13,299 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 21:02:13,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-12-02 21:02:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 21:02:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 21:02:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 21:02:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 21:02:13,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-12-02 21:02:13,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:13,300 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 21:02:13,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 21:02:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 21:02:13,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:02:13,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 21:02:13,438 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:02:13,438 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:02:13,438 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:02:13,438 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:02:13,438 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 21:02:13,438 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:02:13,438 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L444 ceAbstractionStarter]: At program point L66-1(line 66) the Hoare annotation is: (and (= main_~x~0 (fp.neg (_ +zero 8 24))) |main_#t~short10| (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483648 32) trunc_float_~w~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) (fp.neg (_ +zero 8 24)))))) [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L444 ceAbstractionStarter]: At program point L63(line 63) the Hoare annotation is: (= main_~x~0 (fp.neg (_ +zero 8 24))) [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point L66-4(lines 66 69) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 55 72) the Hoare annotation is: true [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 55 72) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 55 72) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-02 21:02:13,439 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L451 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L444 ceAbstractionStarter]: At program point L30-2(lines 30 34) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-12-02 21:02:13,440 INFO L444 ceAbstractionStarter]: At program point L24-2(lines 24 28) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) trunc_float_~w~0) trunc_float_~signbit~0) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-12-02 21:02:13,440 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-12-02 21:02:13,441 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-12-02 21:02:13,441 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2018-12-02 21:02:13,441 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-12-02 21:02:13,441 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 43 53) no Hoare annotation was computed. [2018-12-02 21:02:13,441 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 43 53) the Hoare annotation is: true [2018-12-02 21:02:13,441 INFO L448 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-12-02 21:02:13,441 INFO L444 ceAbstractionStarter]: At program point L46-2(lines 46 50) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-02 21:02:13,441 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 43 53) no Hoare annotation was computed. [2018-12-02 21:02:13,441 INFO L448 ceAbstractionStarter]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2018-12-02 21:02:13,444 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,445 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,449 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,450 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,451 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,452 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,453 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,453 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,453 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:02:13 BoogieIcfgContainer [2018-12-02 21:02:13,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:02:13,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:02:13,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:02:13,454 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:02:13,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:02:11" (3/4) ... [2018-12-02 21:02:13,457 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:02:13,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 21:02:13,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 21:02:13,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-12-02 21:02:13,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-02 21:02:13,463 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 21:02:13,463 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 21:02:13,463 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 21:02:13,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 21:02:13,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 21:02:13,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, trunc_float_~w~0) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-12-02 21:02:13,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-12-02 21:02:13,490 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5bc98be8-6faf-45ce-8e54-ba049ca1682c/bin-2019/uautomizer/witness.graphml [2018-12-02 21:02:13,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:02:13,491 INFO L168 Benchmark]: Toolchain (without parser) took 2897.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 870.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 217.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:13,492 INFO L168 Benchmark]: CDTParser took 0.15 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 21:02:13,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.58 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:13,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.18 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:13,492 INFO L168 Benchmark]: Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:13,492 INFO L168 Benchmark]: RCFGBuilder took 247.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:13,493 INFO L168 Benchmark]: TraceAbstraction took 2432.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 877.1 MB in the end (delta: 235.4 MB). Peak memory consumption was 235.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:13,493 INFO L168 Benchmark]: Witness Printer took 36.14 ms. Allocated memory is still 1.2 GB. Free memory was 877.1 MB in the beginning and 870.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:13,494 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 143.58 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.18 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.68 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 247.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2432.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 877.1 MB in the end (delta: 235.4 MB). Peak memory consumption was 235.4 MB. Max. memory is 11.5 GB. * Witness Printer took 36.14 ms. Allocated memory is still 1.2 GB. Free memory was 877.1 MB in the beginning and 870.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 24]: Loop Invariant [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, trunc_float_~w~0) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-02 21:02:13,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 137 SDtfs, 106 SDslu, 507 SDs, 0 SdLazy, 229 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 152 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 31 QuantifiedInterpolants, 19515 SizeOfPredicates, 21 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...