./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 62b7dc6392161c86b172facfcbc82e25c42dc2f4 ....................................................................................................................................................................................................................................................................................................................... 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_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 62b7dc6392161c86b172facfcbc82e25c42dc2f4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:18:56,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:18:56,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:18:56,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:18:56,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:18:56,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:18:56,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:18:56,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:18:56,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:18:56,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:18:56,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:18:56,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:18:56,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:18:56,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:18:56,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:18:56,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:18:56,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:18:56,125 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:18:56,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:18:56,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:18:56,128 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:18:56,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:18:56,131 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:18:56,131 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:18:56,131 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:18:56,132 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:18:56,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:18:56,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:18:56,134 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:18:56,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:18:56,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:18:56,135 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:18:56,135 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:18:56,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:18:56,136 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:18:56,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:18:56,137 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 12:18:56,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:18:56,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:18:56,145 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:18:56,145 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:18:56,145 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:18:56,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:18:56,146 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:18:56,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:18:56,147 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:18:56,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:18:56,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:18:56,147 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:18:56,147 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:18:56,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:18:56,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:18:56,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:18:56,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:18:56,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:18:56,149 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_aab9a36c-1031-434d-a256-b9665b2607ba/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 -> 62b7dc6392161c86b172facfcbc82e25c42dc2f4 [2018-11-18 12:18:56,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:18:56,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:18:56,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:18:56,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:18:56,186 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:18:56,187 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-11-18 12:18:56,223 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/20f5dc224/d207bd0517cb448f8c2b48e5a1617bc0/FLAGc05c49a97 [2018-11-18 12:18:56,531 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:18:56,531 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-11-18 12:18:56,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/20f5dc224/d207bd0517cb448f8c2b48e5a1617bc0/FLAGc05c49a97 [2018-11-18 12:18:56,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/20f5dc224/d207bd0517cb448f8c2b48e5a1617bc0 [2018-11-18 12:18:56,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:18:56,547 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:18:56,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:18:56,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:18:56,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:18:56,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544e5471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56, skipping insertion in model container [2018-11-18 12:18:56,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:18:56,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:18:56,695 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:18:56,697 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:18:56,722 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:18:56,737 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:18:56,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56 WrapperNode [2018-11-18 12:18:56,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:18:56,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:18:56,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:18:56,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:18:56,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... [2018-11-18 12:18:56,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:18:56,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:18:56,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:18:56,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:18:56,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 [2018-11-18 12:18:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:18:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:18:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-11-18 12:18:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 12:18:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:18:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 12:18:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:18:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:18:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:18:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:18:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 12:18:57,111 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:18:57,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:18:57 BoogieIcfgContainer [2018-11-18 12:18:57,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:18:57,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:18:57,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:18:57,115 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:18:57,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:18:56" (1/3) ... [2018-11-18 12:18:57,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192eba56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:18:57, skipping insertion in model container [2018-11-18 12:18:57,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:56" (2/3) ... [2018-11-18 12:18:57,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192eba56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:18:57, skipping insertion in model container [2018-11-18 12:18:57,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:18:57" (3/3) ... [2018-11-18 12:18:57,118 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b_true-unreach-call.c [2018-11-18 12:18:57,126 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:18:57,133 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:18:57,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:18:57,173 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:18:57,173 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:18:57,173 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:18:57,173 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:18:57,174 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:18:57,174 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:18:57,174 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:18:57,174 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:18:57,174 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:18:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-18 12:18:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:18:57,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:18:57,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:18:57,197 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:18:57,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:18:57,202 INFO L82 PathProgramCache]: Analyzing trace with hash 29347750, now seen corresponding path program 1 times [2018-11-18 12:18:57,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:18:57,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:18:57,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:18:57,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:18:57,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:18:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:18:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:18:57,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:18:57,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:18:57,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:18:57,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:18:57,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:18:57,338 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-18 12:18:57,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:18:57,359 INFO L93 Difference]: Finished difference Result 92 states and 135 transitions. [2018-11-18 12:18:57,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:18:57,360 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-18 12:18:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:18:57,366 INFO L225 Difference]: With dead ends: 92 [2018-11-18 12:18:57,366 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 12:18:57,368 INFO L604 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 [2018-11-18 12:18:57,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 12:18:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-18 12:18:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 12:18:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2018-11-18 12:18:57,392 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 25 [2018-11-18 12:18:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:18:57,392 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2018-11-18 12:18:57,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:18:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-11-18 12:18:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:18:57,393 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:18:57,394 INFO L375 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] [2018-11-18 12:18:57,394 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:18:57,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:18:57,394 INFO L82 PathProgramCache]: Analyzing trace with hash 918398534, now seen corresponding path program 1 times [2018-11-18 12:18:57,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:18:57,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:18:57,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:18:57,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:18:57,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:18:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:18:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:18:57,513 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:18:57,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:18:57 BoogieIcfgContainer [2018-11-18 12:18:57,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:18:57,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:18:57,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:18:57,539 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:18:57,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:18:57" (3/4) ... [2018-11-18 12:18:57,543 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:18:57,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:18:57,544 INFO L168 Benchmark]: Toolchain (without parser) took 996.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:57,545 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:18:57,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.72 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:57,546 INFO L168 Benchmark]: Boogie Preprocessor took 75.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:57,546 INFO L168 Benchmark]: RCFGBuilder took 298.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:57,547 INFO L168 Benchmark]: TraceAbstraction took 426.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:18:57,547 INFO L168 Benchmark]: Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:18:57,550 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.72 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 298.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 426.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 88. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [\old(huge_floor)=10737418244, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] double x = -1.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] CALL, EXPR floor_double(x) VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418248] [L20] FCALL ieee_double_shape_type ew_u; [L21] FCALL ew_u.value = (x) [L22] EXPR, FCALL ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR, FCALL ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L24] COND FALSE !(0) VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483647, i1=2147483647, x=10737418248] [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483647, i1=2147483647, x=10737418248] [L26] COND FALSE !(j0 < 20) VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483647, i1=2147483647, j0=1024, x=10737418248] [L47] COND TRUE j0 > 51 VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483647, i1=2147483647, j0=1024, x=10737418248] [L48] COND TRUE j0 == 0x400 [L49] RET return x + x; VAL [\old(x)=10737418248, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483647, i1=2147483647, j0=1024, x=10737418248] [L102] EXPR floor_double(x) VAL [floor_double(x)=10737418245, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418248] [L102] double res = floor_double(x); [L105] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418245, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L81] __int32_t hx, lx; VAL [\old(x)=10737418245, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418245] [L83] FCALL ieee_double_shape_type ew_u; [L84] FCALL ew_u.value = (x) [L85] EXPR, FCALL ew_u.parts.msw [L85] (hx) = ew_u.parts.msw [L86] EXPR, FCALL ew_u.parts.lsw [L86] (lx) = ew_u.parts.lsw [L87] COND FALSE !(0) VAL [\old(x)=10737418245, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, lx=-2147483648, x=10737418245] [L88] hx &= 0x7fffffff [L89] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L90] hx = 0x7ff00000 - hx [L91] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418245, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, lx=-2147483648, x=10737418245] [L105] EXPR isinf_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isinf_double(res)=0, res=10737418245, x=10737418248] [L105] COND TRUE !isinf_double(res) [L106] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=10737418245, x=10737418248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 0 SDslu, 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=50occurred 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, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 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 0.1.23-5842f4b [2018-11-18 12:18:58,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:18:58,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:18:59,001 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:18:59,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:18:59,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:18:59,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:18:59,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:18:59,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:18:59,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:18:59,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:18:59,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:18:59,007 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:18:59,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:18:59,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:18:59,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:18:59,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:18:59,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:18:59,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:18:59,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:18:59,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:18:59,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:18:59,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:18:59,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:18:59,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:18:59,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:18:59,018 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:18:59,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:18:59,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:18:59,020 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:18:59,020 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:18:59,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:18:59,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:18:59,021 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:18:59,021 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:18:59,022 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:18:59,022 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 12:18:59,032 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:18:59,032 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:18:59,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:18:59,033 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:18:59,033 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:18:59,033 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:18:59,033 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:18:59,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:18:59,034 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:18:59,035 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:18:59,035 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:18:59,036 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:18:59,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:18:59,036 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:18:59,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:18:59,036 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:18:59,036 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 12:18:59,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:18:59,037 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:18:59,037 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:18:59,037 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_aab9a36c-1031-434d-a256-b9665b2607ba/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 -> 62b7dc6392161c86b172facfcbc82e25c42dc2f4 [2018-11-18 12:18:59,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:18:59,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:18:59,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:18:59,079 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:18:59,079 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:18:59,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-11-18 12:18:59,116 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/42b61520a/bb9d4b3cfc694c56871dcf7ac5d35b03/FLAG0ee70d168 [2018-11-18 12:18:59,451 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:18:59,452 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/sv-benchmarks/c/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-11-18 12:18:59,456 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/42b61520a/bb9d4b3cfc694c56871dcf7ac5d35b03/FLAG0ee70d168 [2018-11-18 12:18:59,876 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/data/42b61520a/bb9d4b3cfc694c56871dcf7ac5d35b03 [2018-11-18 12:18:59,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:18:59,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:18:59,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:18:59,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:18:59,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:18:59,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:18:59" (1/1) ... [2018-11-18 12:18:59,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0661fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:18:59, skipping insertion in model container [2018-11-18 12:18:59,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:18:59" (1/1) ... [2018-11-18 12:18:59,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:18:59,913 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:19:00,064 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:19:00,067 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:19:00,090 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:19:00,109 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:19:00,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00 WrapperNode [2018-11-18 12:19:00,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:19:00,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:19:00,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:19:00,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:19:00,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... [2018-11-18 12:19:00,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:19:00,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:19:00,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:19:00,145 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:19:00,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 [2018-11-18 12:19:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:19:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:19:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-11-18 12:19:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 12:19:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 12:19:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 12:19:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:19:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:19:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:19:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 12:19:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 12:19:00,330 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:19:00,669 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:19:01,378 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:19:01,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:19:01 BoogieIcfgContainer [2018-11-18 12:19:01,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:19:01,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:19:01,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:19:01,381 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:19:01,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:18:59" (1/3) ... [2018-11-18 12:19:01,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9490ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:19:01, skipping insertion in model container [2018-11-18 12:19:01,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:19:00" (2/3) ... [2018-11-18 12:19:01,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9490ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:19:01, skipping insertion in model container [2018-11-18 12:19:01,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:19:01" (3/3) ... [2018-11-18 12:19:01,383 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b_true-unreach-call.c [2018-11-18 12:19:01,388 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:19:01,393 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:19:01,402 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:19:01,425 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:19:01,426 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:19:01,426 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:19:01,426 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:19:01,426 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:19:01,426 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:19:01,426 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:19:01,426 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:19:01,426 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:19:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-18 12:19:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:19:01,441 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:19:01,442 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:19:01,443 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:19:01,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:19:01,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1872922130, now seen corresponding path program 1 times [2018-11-18 12:19:01,449 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:19:01,449 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 [2018-11-18 12:19:01,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:19:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:19:01,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:19:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:19:01,541 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:19:01,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:19:01,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:19:01,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:19:01,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:19:01,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:19:01,562 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-18 12:19:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:19:01,579 INFO L93 Difference]: Finished difference Result 90 states and 133 transitions. [2018-11-18 12:19:01,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:19:01,580 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-18 12:19:01,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:19:01,587 INFO L225 Difference]: With dead ends: 90 [2018-11-18 12:19:01,587 INFO L226 Difference]: Without dead ends: 45 [2018-11-18 12:19:01,589 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:19:01,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-18 12:19:01,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-18 12:19:01,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 12:19:01,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2018-11-18 12:19:01,614 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 24 [2018-11-18 12:19:01,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:19:01,615 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2018-11-18 12:19:01,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:19:01,615 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2018-11-18 12:19:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:19:01,616 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:19:01,616 INFO L375 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] [2018-11-18 12:19:01,616 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:19:01,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:19:01,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1895137777, now seen corresponding path program 1 times [2018-11-18 12:19:01,617 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:19:01,617 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 [2018-11-18 12:19:01,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:19:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:19:01,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:19:02,533 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:19:02,534 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:19:02,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 12:19:02,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-18 12:19:02,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:19:02,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 12:19:02,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 12:19:02,612 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:19:02,615 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:19:02,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:19:02,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:19:02,629 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-18 12:19:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:19:03,049 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:19:03,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:19:03,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 12:19:03,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:19:03,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:19:03,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:19:03,064 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand 11 states. [2018-11-18 12:19:04,366 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 12:19:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:19:09,785 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2018-11-18 12:19:09,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:19:09,786 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-11-18 12:19:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:19:09,788 INFO L225 Difference]: With dead ends: 54 [2018-11-18 12:19:09,789 INFO L226 Difference]: Without dead ends: 47 [2018-11-18 12:19:09,790 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:19:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-18 12:19:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2018-11-18 12:19:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 12:19:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2018-11-18 12:19:09,798 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 26 [2018-11-18 12:19:09,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:19:09,798 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2018-11-18 12:19:09,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:19:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2018-11-18 12:19:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:19:09,799 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:19:09,799 INFO L375 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] [2018-11-18 12:19:09,800 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:19:09,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:19:09,800 INFO L82 PathProgramCache]: Analyzing trace with hash 2106426512, now seen corresponding path program 1 times [2018-11-18 12:19:09,800 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:19:09,800 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/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 [2018-11-18 12:19:09,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:19:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:19:09,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:19:09,898 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:19:09,899 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:19:09,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 12:19:09,934 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:19:09,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 12:19:09,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:19:09,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 12:19:09,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 12:19:09,962 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:19:09,965 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:19:09,967 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:19:09,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:19:09,973 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 12:19:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:19:10,044 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:19:10,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:19:10,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:19:10,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:19:10,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:19:10,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:19:10,055 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand 7 states. [2018-11-18 12:19:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:19:11,380 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2018-11-18 12:19:11,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:19:11,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-18 12:19:11,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:19:11,381 INFO L225 Difference]: With dead ends: 55 [2018-11-18 12:19:11,381 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:19:11,382 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:19:11,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:19:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:19:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:19:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:19:11,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-18 12:19:11,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:19:11,382 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:19:11,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:19:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:19:11,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:19:11,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:19:11,440 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. [2018-11-18 12:19:11,440 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2018-11-18 12:19:11,440 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 68) no Hoare annotation was computed. [2018-11-18 12:19:11,440 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-11-18 12:19:11,440 INFO L421 ceAbstractionStarter]: At program point L19-3(lines 19 24) the Hoare annotation is: (= floor_double_~x |floor_double_#in~x|) [2018-11-18 12:19:11,440 INFO L425 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point floor_doubleFINAL(lines 16 77) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point L40(lines 40 45) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point L28(lines 28 35) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 66) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point floor_doubleEXIT(lines 16 77) no Hoare annotation was computed. [2018-11-18 12:19:11,441 INFO L428 ceAbstractionStarter]: At program point floor_doubleENTRY(lines 16 77) the Hoare annotation is: true [2018-11-18 12:19:11,441 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 16 77) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L70-3(lines 70 75) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 65) no Hoare annotation was computed. [2018-11-18 12:19:11,442 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 69) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 69) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point L82-1(lines 82 87) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 80 92) no Hoare annotation was computed. [2018-11-18 12:19:11,443 INFO L421 ceAbstractionStarter]: At program point L82-3(lines 82 87) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-11-18 12:19:11,443 INFO L425 ceAbstractionStarter]: For program point L82-4(lines 82 87) no Hoare annotation was computed. [2018-11-18 12:19:11,444 INFO L425 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 80 92) no Hoare annotation was computed. [2018-11-18 12:19:11,444 INFO L428 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 80 92) the Hoare annotation is: true [2018-11-18 12:19:11,444 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:19:11,444 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:19:11,444 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:19:11,444 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:19:11,444 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-11-18 12:19:11,444 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 94 111) the Hoare annotation is: true [2018-11-18 12:19:11,444 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 94 111) no Hoare annotation was computed. [2018-11-18 12:19:11,445 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:19:11,445 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.add roundNearestTiesToEven .cse0 .cse0) main_~res~0) (= .cse0 main_~x~0))) [2018-11-18 12:19:11,445 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 94 111) no Hoare annotation was computed. [2018-11-18 12:19:11,445 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 105 108) no Hoare annotation was computed. [2018-11-18 12:19:11,445 INFO L421 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-11-18 12:19:11,445 INFO L425 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-18 12:19:11,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:19:11 BoogieIcfgContainer [2018-11-18 12:19:11,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:19:11,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:19:11,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:19:11,457 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:19:11,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:19:01" (3/4) ... [2018-11-18 12:19:11,460 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:19:11,465 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_double [2018-11-18 12:19:11,466 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:19:11,466 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-18 12:19:11,466 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:19:11,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 12:19:11,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 12:19:11,471 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:19:11,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 12:19:11,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 12:19:11,517 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aab9a36c-1031-434d-a256-b9665b2607ba/bin-2019/uautomizer/witness.graphml [2018-11-18 12:19:11,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:19:11,518 INFO L168 Benchmark]: Toolchain (without parser) took 11638.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 948.7 MB in the beginning and 917.0 MB in the end (delta: 31.6 MB). Peak memory consumption was 166.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:19:11,518 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:19:11,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.26 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:19:11,519 INFO L168 Benchmark]: Boogie Preprocessor took 34.27 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:19:11,519 INFO L168 Benchmark]: RCFGBuilder took 1234.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:19:11,519 INFO L168 Benchmark]: TraceAbstraction took 10077.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:19:11,519 INFO L168 Benchmark]: Witness Printer took 60.65 ms. Allocated memory is still 1.2 GB. Free memory is still 917.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:19:11,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 229.26 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.27 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1234.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10077.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.0 MB in the end (delta: 175.2 MB). Peak memory consumption was 175.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.65 ms. Allocated memory is still 1.2 GB. Free memory is still 917.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 82]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 123 SDtfs, 167 SDslu, 390 SDs, 0 SdLazy, 244 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 49 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 73 ConstructedInterpolants, 12 QuantifiedInterpolants, 12029 SizeOfPredicates, 10 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...