./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 bc7b929d20445456da87d92c4566355380c50982 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 bc7b929d20445456da87d92c4566355380c50982 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:02:36,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:02:36,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:02:36,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:02:36,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:02:36,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:02:36,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:02:36,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:02:36,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:02:36,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:02:36,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:02:36,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:02:36,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:02:36,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:02:36,151 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:02:36,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:02:36,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:02:36,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:02:36,164 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:02:36,165 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:02:36,166 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:02:36,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:02:36,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:02:36,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:02:36,174 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:02:36,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:02:36,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:02:36,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:02:36,177 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:02:36,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:02:36,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:02:36,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:02:36,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:02:36,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:02:36,183 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:02:36,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:02:36,183 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 23:02:36,204 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:02:36,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:02:36,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:02:36,207 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:02:36,208 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:02:36,208 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:02:36,208 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:02:36,208 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:02:36,209 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:02:36,214 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:02:36,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:02:36,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:02:36,214 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:02:36,214 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:02:36,215 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:02:36,215 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:02:36,215 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:02:36,215 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:02:36,215 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:02:36,215 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:02:36,216 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 23:02:36,216 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:02:36,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:02:36,216 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_405eed5f-5eda-4a91-8b09-40a87a01e187/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 -> bc7b929d20445456da87d92c4566355380c50982 [2018-10-26 23:02:36,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:02:36,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:02:36,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:02:36,286 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:02:36,287 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:02:36,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2018-10-26 23:02:36,341 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/bf24de8f9/9e64738c564f4da39e8d734f14b53f7c/FLAG70bd15c1b [2018-10-26 23:02:36,720 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:02:36,721 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2018-10-26 23:02:36,728 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/bf24de8f9/9e64738c564f4da39e8d734f14b53f7c/FLAG70bd15c1b [2018-10-26 23:02:36,739 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/bf24de8f9/9e64738c564f4da39e8d734f14b53f7c [2018-10-26 23:02:36,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:02:36,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:02:36,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:02:36,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:02:36,749 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:02:36,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:02:36" (1/1) ... [2018-10-26 23:02:36,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ae2364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:36, skipping insertion in model container [2018-10-26 23:02:36,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:02:36" (1/1) ... [2018-10-26 23:02:36,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:02:36,783 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:02:36,950 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:02:36,956 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:02:36,990 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:02:37,012 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:02:37,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37 WrapperNode [2018-10-26 23:02:37,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:02:37,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:02:37,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:02:37,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:02:37,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... [2018-10-26 23:02:37,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:02:37,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:02:37,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:02:37,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:02:37,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 [2018-10-26 23:02:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:02:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:02:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 23:02:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 23:02:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-26 23:02:37,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 23:02:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:02:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 23:02:38,107 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:02:38,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:02:38 BoogieIcfgContainer [2018-10-26 23:02:38,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:02:38,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:02:38,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:02:38,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:02:38,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:02:36" (1/3) ... [2018-10-26 23:02:38,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ede9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:02:38, skipping insertion in model container [2018-10-26 23:02:38,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:37" (2/3) ... [2018-10-26 23:02:38,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ede9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:02:38, skipping insertion in model container [2018-10-26 23:02:38,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:02:38" (3/3) ... [2018-10-26 23:02:38,116 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a_true-unreach-call.c [2018-10-26 23:02:38,125 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:02:38,136 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:02:38,154 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:02:38,188 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:02:38,188 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:02:38,189 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:02:38,189 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:02:38,189 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:02:38,189 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:02:38,189 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:02:38,190 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:02:38,190 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:02:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-10-26 23:02:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:02:38,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:02:38,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:02:38,226 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:02:38,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:02:38,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1097139653, now seen corresponding path program 1 times [2018-10-26 23:02:38,234 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:02:38,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:02:38,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:02:38,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:02:38,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:02:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:02:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:02:38,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:02:38,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:02:38,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:02:38,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:02:38,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:02:38,474 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-10-26 23:02:38,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:02:38,517 INFO L93 Difference]: Finished difference Result 231 states and 273 transitions. [2018-10-26 23:02:38,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:02:38,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 41 [2018-10-26 23:02:38,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:02:38,533 INFO L225 Difference]: With dead ends: 231 [2018-10-26 23:02:38,535 INFO L226 Difference]: Without dead ends: 127 [2018-10-26 23:02:38,540 INFO L605 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 [2018-10-26 23:02:38,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-10-26 23:02:38,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-10-26 23:02:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-10-26 23:02:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 138 transitions. [2018-10-26 23:02:38,589 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 138 transitions. Word has length 41 [2018-10-26 23:02:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:02:38,590 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 138 transitions. [2018-10-26 23:02:38,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:02:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2018-10-26 23:02:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:02:38,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:02:38,592 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:02:38,592 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:02:38,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:02:38,593 INFO L82 PathProgramCache]: Analyzing trace with hash -214508113, now seen corresponding path program 1 times [2018-10-26 23:02:38,593 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 23:02:38,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 23:02:38,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:02:38,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:02:38,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:02:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:02:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:02:38,744 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:02:38,794 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,795 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,795 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,796 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,796 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,796 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,797 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,797 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,797 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,798 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,798 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,798 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,799 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,799 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,800 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,800 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,800 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,800 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,801 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,801 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,801 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,801 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,802 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,802 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,803 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,803 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,803 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,803 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 23:02:38,804 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,804 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 23:02:38,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:02:38 BoogieIcfgContainer [2018-10-26 23:02:38,847 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:02:38,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:02:38,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:02:38,848 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:02:38,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:02:38" (3/4) ... [2018-10-26 23:02:38,855 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 23:02:38,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:02:38,856 INFO L168 Benchmark]: Toolchain (without parser) took 2112.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:02:38,860 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:02:38,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.33 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:02:38,861 INFO L168 Benchmark]: Boogie Preprocessor took 57.45 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:02:38,861 INFO L168 Benchmark]: RCFGBuilder took 1036.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:02:38,862 INFO L168 Benchmark]: TraceAbstraction took 739.07 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:02:38,863 INFO L168 Benchmark]: Witness Printer took 7.55 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. [2018-10-26 23:02:38,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.33 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 941.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.45 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1036.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 739.07 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.55 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450969 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 46, overapproximation of bitwiseAnd at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450966, \old(huge_floor)=6442450963, \old(one_atan)=6442450957, \old(pi)=6442450964, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450959, aT_atan={6442450952:6442450956}, atanhi_atan={6442450953:6442450961}, atanlo_atan={6442450950:6442450969}, huge_atan=6442450966, huge_floor=1000000000000000000000000000000, one_atan=6442450957, pi=6442450964, pi_o_2=6442450945, pi_o_4=6442450959] [L29-L34] FCALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450966, \old(huge_floor)=6442450963, \old(one_atan)=6442450957, \old(pi)=6442450964, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450959, aT_atan={6442450952:6442450956}, atanhi_atan={6442450955:0}, atanlo_atan={6442450950:6442450969}, huge_atan=6442450966, huge_floor=1000000000000000000000000000000, one_atan=6442450957, pi=6442450964, pi_o_2=6442450945, pi_o_4=6442450959] [L36-L41] FCALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450966, \old(huge_floor)=6442450963, \old(one_atan)=6442450957, \old(pi)=6442450964, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450959, aT_atan={6442450952:6442450956}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=6442450966, huge_floor=1000000000000000000000000000000, one_atan=6442450957, pi=6442450964, pi_o_2=6442450945, pi_o_4=6442450959] [L43-L47] FCALL static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450966, \old(huge_floor)=6442450963, \old(one_atan)=6442450957, \old(pi)=6442450964, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450959, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=6442450966, huge_floor=1000000000000000000000000000000, one_atan=6442450957, pi=6442450964, pi_o_2=6442450945, pi_o_4=6442450959] [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450966, \old(huge_floor)=6442450963, \old(one_atan)=6442450957, \old(pi)=6442450964, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450959, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = 0.0f; VAL [aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L138] CALL, EXPR atan_float(x) VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L58] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, gf_u={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L59] FCALL gf_u.value = (x) VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, gf_u={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L60] EXPR, FCALL gf_u.word VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, gf_u={6442450946:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L60] (hx) = gf_u.word VAL [(hx) = gf_u.word=6442450962, \old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, gf_u={6442450946:0}, gf_u.word=6442450944, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L61] COND FALSE !(0) VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L62] ix = hx & 0x7fffffff VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L63] COND TRUE ix >= 0x50800000 VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] RET return x + x; VAL [\old(x)=0, aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L138] EXPR atan_float(x) VAL [aT_atan={6442450951:0}, atan_float(x)=6442450967, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L138] float res = atan_float(x); [L141] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450967, res == 0.0f && __signbit_float(res) == 0=0, x=0] [L141] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L142] __VERIFIER_error() VAL [aT_atan={6442450951:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450967, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 131 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 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=131occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 1600 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 0.1.23-1dbac8b [2018-10-26 23:02:41,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:02:41,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:02:41,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:02:41,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:02:41,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:02:41,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:02:41,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:02:41,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:02:41,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:02:41,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:02:41,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:02:41,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:02:41,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:02:41,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:02:41,079 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:02:41,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:02:41,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:02:41,083 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:02:41,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:02:41,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:02:41,085 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:02:41,087 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:02:41,088 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:02:41,088 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:02:41,088 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:02:41,089 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:02:41,090 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:02:41,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:02:41,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:02:41,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:02:41,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:02:41,092 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:02:41,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:02:41,093 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:02:41,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:02:41,094 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 23:02:41,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:02:41,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:02:41,106 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:02:41,106 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:02:41,107 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:02:41,107 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:02:41,107 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 23:02:41,107 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:02:41,107 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:02:41,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:02:41,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:02:41,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:02:41,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:02:41,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:02:41,108 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 23:02:41,109 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 23:02:41,109 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:02:41,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:02:41,109 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:02:41,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:02:41,109 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:02:41,109 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:02:41,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:02:41,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:02:41,110 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:02:41,110 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:02:41,110 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:02:41,110 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 23:02:41,110 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:02:41,111 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 23:02:41,111 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 23:02:41,111 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_405eed5f-5eda-4a91-8b09-40a87a01e187/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 -> bc7b929d20445456da87d92c4566355380c50982 [2018-10-26 23:02:41,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:02:41,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:02:41,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:02:41,155 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:02:41,155 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:02:41,156 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2018-10-26 23:02:41,200 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/c0016c3ad/196566e71893489eb23a99b1ecc245aa/FLAGc0707645a [2018-10-26 23:02:41,576 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:02:41,577 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/sv-benchmarks/c/float-newlib/float_req_bl_0620a_true-unreach-call.c [2018-10-26 23:02:41,583 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/c0016c3ad/196566e71893489eb23a99b1ecc245aa/FLAGc0707645a [2018-10-26 23:02:41,594 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/data/c0016c3ad/196566e71893489eb23a99b1ecc245aa [2018-10-26 23:02:41,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:02:41,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:02:41,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:02:41,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:02:41,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:02:41,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:02:41" (1/1) ... [2018-10-26 23:02:41,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b30c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:41, skipping insertion in model container [2018-10-26 23:02:41,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:02:41" (1/1) ... [2018-10-26 23:02:41,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:02:41,638 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:02:41,880 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:02:41,893 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:02:41,991 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:02:42,035 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:02:42,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42 WrapperNode [2018-10-26 23:02:42,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:02:42,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:02:42,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:02:42,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:02:42,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... [2018-10-26 23:02:42,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:02:42,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:02:42,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:02:42,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:02:42,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 [2018-10-26 23:02:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:02:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:02:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 23:02:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 23:02:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-26 23:02:42,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:02:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 23:02:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 23:02:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 23:02:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:02:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 23:02:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 23:02:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 23:02:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 23:02:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 23:02:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 23:02:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-26 23:02:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:02:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:02:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-26 23:02:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:02:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-26 23:02:42,570 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,586 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,601 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,617 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,630 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,637 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,641 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,646 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,661 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,676 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,686 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,691 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,698 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,706 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,710 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,722 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,730 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,738 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,742 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,826 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:42,832 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:52,830 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:52,839 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:52,996 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:53,001 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 23:02:53,017 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:02:53,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:02:53 BoogieIcfgContainer [2018-10-26 23:02:53,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:02:53,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:02:53,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:02:53,022 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:02:53,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:02:41" (1/3) ... [2018-10-26 23:02:53,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0b43f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:02:53, skipping insertion in model container [2018-10-26 23:02:53,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:02:42" (2/3) ... [2018-10-26 23:02:53,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0b43f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:02:53, skipping insertion in model container [2018-10-26 23:02:53,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:02:53" (3/3) ... [2018-10-26 23:02:53,026 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a_true-unreach-call.c [2018-10-26 23:02:53,033 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:02:53,042 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:02:53,054 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:02:53,082 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 23:02:53,083 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:02:53,083 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:02:53,083 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:02:53,083 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:02:53,083 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:02:53,084 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:02:53,084 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:02:53,084 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:02:53,102 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-10-26 23:02:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:02:53,111 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:02:53,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:02:53,114 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:02:53,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:02:53,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1097139653, now seen corresponding path program 1 times [2018-10-26 23:02:53,127 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:02:53,127 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 [2018-10-26 23:02:53,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:02:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:02:53,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:02:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:02:53,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:02:53,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:02:53,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:02:53,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:02:53,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:02:53,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:02:53,387 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-10-26 23:02:53,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:02:53,433 INFO L93 Difference]: Finished difference Result 231 states and 273 transitions. [2018-10-26 23:02:53,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:02:53,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 41 [2018-10-26 23:02:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:02:53,453 INFO L225 Difference]: With dead ends: 231 [2018-10-26 23:02:53,456 INFO L226 Difference]: Without dead ends: 127 [2018-10-26 23:02:53,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:02:53,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-10-26 23:02:53,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-10-26 23:02:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-10-26 23:02:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 138 transitions. [2018-10-26 23:02:53,524 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 138 transitions. Word has length 41 [2018-10-26 23:02:53,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:02:53,527 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 138 transitions. [2018-10-26 23:02:53,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:02:53,527 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2018-10-26 23:02:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:02:53,529 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:02:53,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:02:53,529 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:02:53,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:02:53,533 INFO L82 PathProgramCache]: Analyzing trace with hash -214508113, now seen corresponding path program 1 times [2018-10-26 23:02:53,534 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:02:53,535 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 [2018-10-26 23:02:53,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:02:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:02:53,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:02:53,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-10-26 23:02:53,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 23:02:53,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:02:53,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:02:53,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:02:53,841 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 23:02:53,883 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 29 treesize of output 21 [2018-10-26 23:02:53,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-26 23:02:53,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:02:53,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:02:53,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:02:53,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 23:02:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:02:54,255 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:02:54,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:02:54,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:02:54,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:02:54,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:02:54,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:02:54,274 INFO L87 Difference]: Start difference. First operand 127 states and 138 transitions. Second operand 9 states. [2018-10-26 23:03:07,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:07,507 INFO L93 Difference]: Finished difference Result 194 states and 209 transitions. [2018-10-26 23:03:07,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 23:03:07,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-10-26 23:03:07,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:07,513 INFO L225 Difference]: With dead ends: 194 [2018-10-26 23:03:07,513 INFO L226 Difference]: Without dead ends: 163 [2018-10-26 23:03:07,515 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 23:03:07,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-10-26 23:03:07,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 119. [2018-10-26 23:03:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-10-26 23:03:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 127 transitions. [2018-10-26 23:03:07,531 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 127 transitions. Word has length 50 [2018-10-26 23:03:07,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:07,532 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 127 transitions. [2018-10-26 23:03:07,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2018-10-26 23:03:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:03:07,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:07,535 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, 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] [2018-10-26 23:03:07,535 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:07,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:07,536 INFO L82 PathProgramCache]: Analyzing trace with hash 245639954, now seen corresponding path program 1 times [2018-10-26 23:03:07,536 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:03:07,536 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/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 [2018-10-26 23:03:07,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:07,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:03:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:03:07,799 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:03:07,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:07,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 23:03:07,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 23:03:07,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 23:03:07,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:03:07,817 INFO L87 Difference]: Start difference. First operand 119 states and 127 transitions. Second operand 7 states. [2018-10-26 23:03:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:15,841 INFO L93 Difference]: Finished difference Result 148 states and 158 transitions. [2018-10-26 23:03:15,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:03:15,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 23:03:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:15,870 INFO L225 Difference]: With dead ends: 148 [2018-10-26 23:03:15,870 INFO L226 Difference]: Without dead ends: 145 [2018-10-26 23:03:15,870 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-26 23:03:15,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-26 23:03:15,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 123. [2018-10-26 23:03:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-26 23:03:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2018-10-26 23:03:15,888 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 52 [2018-10-26 23:03:15,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:15,888 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2018-10-26 23:03:15,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 23:03:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2018-10-26 23:03:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:03:15,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:15,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:03:15,891 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:15,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:15,891 INFO L82 PathProgramCache]: Analyzing trace with hash -558817466, now seen corresponding path program 1 times [2018-10-26 23:03:15,892 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:03:15,892 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 23:03:15,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:16,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:03:16,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-10-26 23:03:16,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 23:03:16,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:03:16,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:16,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:16,170 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 23:03:16,204 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 29 treesize of output 21 [2018-10-26 23:03:16,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-26 23:03:16,211 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:03:16,243 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:16,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:16,247 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 23:03:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:03:16,434 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:03:16,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:16,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-10-26 23:03:16,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-26 23:03:16,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-26 23:03:16,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-10-26 23:03:16,448 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand 14 states. [2018-10-26 23:03:29,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:29,011 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2018-10-26 23:03:29,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-26 23:03:29,011 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 68 [2018-10-26 23:03:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:29,015 INFO L225 Difference]: With dead ends: 148 [2018-10-26 23:03:29,015 INFO L226 Difference]: Without dead ends: 139 [2018-10-26 23:03:29,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2018-10-26 23:03:29,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-10-26 23:03:29,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2018-10-26 23:03:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-10-26 23:03:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 126 transitions. [2018-10-26 23:03:29,039 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 126 transitions. Word has length 68 [2018-10-26 23:03:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:29,040 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 126 transitions. [2018-10-26 23:03:29,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-26 23:03:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2018-10-26 23:03:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:03:29,041 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:29,042 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:03:29,043 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:29,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:29,043 INFO L82 PathProgramCache]: Analyzing trace with hash 316885922, now seen corresponding path program 1 times [2018-10-26 23:03:29,045 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:03:29,045 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-26 23:03:29,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:30,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:03:30,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-10-26 23:03:30,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 23:03:30,331 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:03:30,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:30,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:30,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 23:03:30,374 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 29 treesize of output 21 [2018-10-26 23:03:30,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-26 23:03:30,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:03:30,388 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:30,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:03:30,391 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 23:03:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:03:30,514 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:03:30,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:30,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:03:30,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:03:30,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:03:30,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:03:30,536 INFO L87 Difference]: Start difference. First operand 119 states and 126 transitions. Second operand 9 states. [2018-10-26 23:03:45,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:45,374 INFO L93 Difference]: Finished difference Result 207 states and 220 transitions. [2018-10-26 23:03:45,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 23:03:45,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-10-26 23:03:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:45,377 INFO L225 Difference]: With dead ends: 207 [2018-10-26 23:03:45,377 INFO L226 Difference]: Without dead ends: 140 [2018-10-26 23:03:45,378 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 23:03:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-10-26 23:03:45,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 118. [2018-10-26 23:03:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-26 23:03:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 121 transitions. [2018-10-26 23:03:45,389 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 121 transitions. Word has length 67 [2018-10-26 23:03:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:45,389 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 121 transitions. [2018-10-26 23:03:45,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:03:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 121 transitions. [2018-10-26 23:03:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:03:45,391 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:45,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:03:45,391 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:45,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:45,392 INFO L82 PathProgramCache]: Analyzing trace with hash -833250606, now seen corresponding path program 1 times [2018-10-26 23:03:45,392 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:03:45,392 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-26 23:03:45,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:46,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:03:47,823 WARN L179 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 23:03:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:03:47,862 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:03:47,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:47,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:03:47,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:03:47,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:03:47,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:47,896 INFO L87 Difference]: Start difference. First operand 118 states and 121 transitions. Second operand 6 states. [2018-10-26 23:03:50,143 WARN L179 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 23:03:56,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:03:56,255 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2018-10-26 23:03:56,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 23:03:56,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-10-26 23:03:56,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:03:56,257 INFO L225 Difference]: With dead ends: 159 [2018-10-26 23:03:56,257 INFO L226 Difference]: Without dead ends: 136 [2018-10-26 23:03:56,257 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:03:56,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-26 23:03:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2018-10-26 23:03:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-10-26 23:03:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2018-10-26 23:03:56,272 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 68 [2018-10-26 23:03:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:03:56,273 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2018-10-26 23:03:56,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:03:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2018-10-26 23:03:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 23:03:56,276 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:03:56,276 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:03:56,276 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:03:56,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:03:56,277 INFO L82 PathProgramCache]: Analyzing trace with hash -321447666, now seen corresponding path program 1 times [2018-10-26 23:03:56,277 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:03:56,277 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-26 23:03:56,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:03:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:03:57,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:03:58,670 WARN L179 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 23:03:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:03:58,701 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:03:58,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:03:58,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:03:58,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:03:58,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:03:58,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:03:58,724 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 6 states. [2018-10-26 23:04:00,416 WARN L179 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 23:04:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:04:05,766 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2018-10-26 23:04:05,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:04:05,767 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2018-10-26 23:04:05,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:04:05,768 INFO L225 Difference]: With dead ends: 161 [2018-10-26 23:04:05,768 INFO L226 Difference]: Without dead ends: 115 [2018-10-26 23:04:05,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:04:05,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-26 23:04:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-10-26 23:04:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-26 23:04:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2018-10-26 23:04:05,779 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 73 [2018-10-26 23:04:05,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:04:05,780 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2018-10-26 23:04:05,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:04:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2018-10-26 23:04:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 23:04:05,783 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:04:05,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:04:05,783 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:04:05,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:04:05,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1974720437, now seen corresponding path program 1 times [2018-10-26 23:04:05,786 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 23:04:05,786 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 23:04:05,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 23:04:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:04:07,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 23:04:07,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-10-26 23:04:07,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 23:04:07,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:04:07,439 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:04:07,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:04:07,447 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 23:04:07,464 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 29 treesize of output 21 [2018-10-26 23:04:07,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2018-10-26 23:04:07,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 23:04:07,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:04:07,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 23:04:07,527 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 23:04:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:04:07,924 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 23:04:07,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:04:07,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 23:04:07,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 23:04:07,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 23:04:07,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:04:07,951 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 9 states. [2018-10-26 23:04:13,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:04:13,073 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2018-10-26 23:04:13,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 23:04:13,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-10-26 23:04:13,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:04:13,075 INFO L225 Difference]: With dead ends: 115 [2018-10-26 23:04:13,075 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:04:13,076 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 23:04:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:04:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:04:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:04:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:04:13,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2018-10-26 23:04:13,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:04:13,077 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:04:13,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 23:04:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:04:13,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:04:13,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:04:13,372 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L43-10(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L43-11(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L29-2(lines 29 34) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L29-3(lines 29 34) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L29-4(lines 29 34) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L29-5(lines 29 34) no Hoare annotation was computed. [2018-10-26 23:04:13,499 INFO L425 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 41) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 41) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L36-4(lines 36 41) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L43-1(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,500 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:04:13,500 INFO L425 ceAbstractionStarter]: For program point L43-2(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-4(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-5(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-6(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-7(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-8(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L43-9(lines 43 47) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-26 23:04:13,501 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 14 27) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L17-3(line 17) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-10-26 23:04:13,502 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L22-3(line 22) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-10-26 23:04:13,503 INFO L428 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: true [2018-10-26 23:04:13,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:04:13,504 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_atan~0)) [2018-10-26 23:04:13,504 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:04:13,504 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:04:13,504 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 129 147) the Hoare annotation is: true [2018-10-26 23:04:13,504 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 129 147) no Hoare annotation was computed. [2018-10-26 23:04:13,504 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-26 23:04:13,504 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-10-26 23:04:13,504 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 129 147) no Hoare annotation was computed. [2018-10-26 23:04:13,504 INFO L421 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short29|) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 23:04:13,505 INFO L425 ceAbstractionStarter]: For program point L141-2(line 141) no Hoare annotation was computed. [2018-10-26 23:04:13,505 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (= (_ +zero 8 24) main_~x~0) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 23:04:13,505 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-10-26 23:04:13,505 INFO L425 ceAbstractionStarter]: For program point L141-4(lines 141 144) no Hoare annotation was computed. [2018-10-26 23:04:13,505 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-10-26 23:04:13,505 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2018-10-26 23:04:13,505 INFO L428 ceAbstractionStarter]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-10-26 23:04:13,506 INFO L425 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-10-26 23:04:13,507 INFO L425 ceAbstractionStarter]: For program point L69-2(line 69) no Hoare annotation was computed. [2018-10-26 23:04:13,507 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2018-10-26 23:04:13,507 INFO L421 ceAbstractionStarter]: At program point L57-3(lines 57 61) the Hoare annotation is: (or (= |atan_float_#in~x| atan_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 23:04:13,507 INFO L425 ceAbstractionStarter]: For program point L57-4(lines 57 61) no Hoare annotation was computed. [2018-10-26 23:04:13,507 INFO L421 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand atan_float_~hx~0 (_ bv2147483647 32)) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= |atan_float_#in~x| atan_float_~x) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvslt (bvand atan_float_~hx~0 (_ bv2147483647 32)) (_ bv1054867456 32))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|)))) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L107-1(line 107) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L58-2(line 58) no Hoare annotation was computed. [2018-10-26 23:04:13,508 INFO L425 ceAbstractionStarter]: For program point L58-3(line 58) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L112-1(line 112) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L112-2(line 112) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L108-1(line 108) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L108-2(line 108) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L108-3(line 108) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-10-26 23:04:13,509 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L104-2(line 104) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L67-2(line 67) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-10-26 23:04:13,510 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-10-26 23:04:13,511 INFO L425 ceAbstractionStarter]: For program point L101-1(line 101) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L123-2(line 123) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L121-1(line 121) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 117 127) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L121-2(line 121) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-10-26 23:04:13,512 INFO L425 ceAbstractionStarter]: For program point L121-3(line 121) no Hoare annotation was computed. [2018-10-26 23:04:13,513 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-10-26 23:04:13,513 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-10-26 23:04:13,513 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 117 127) the Hoare annotation is: true [2018-10-26 23:04:13,513 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 117 127) no Hoare annotation was computed. [2018-10-26 23:04:13,522 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,523 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,524 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,524 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,531 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,531 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,531 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,532 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:04:13 BoogieIcfgContainer [2018-10-26 23:04:13,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:04:13,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:04:13,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:04:13,536 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:04:13,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:02:53" (3/4) ... [2018-10-26 23:04:13,544 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:04:13,566 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:04:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-26 23:04:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:04:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-10-26 23:04:13,567 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-10-26 23:04:13,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-10-26 23:04:13,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 23:04:13,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 23:04:13,578 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 23:04:13,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) [2018-10-26 23:04:13,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 23:04:13,640 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_405eed5f-5eda-4a91-8b09-40a87a01e187/bin-2019/uautomizer/witness.graphml [2018-10-26 23:04:13,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:04:13,641 INFO L168 Benchmark]: Toolchain (without parser) took 92043.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 954.6 MB in the beginning and 885.3 MB in the end (delta: 69.3 MB). Peak memory consumption was 293.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:13,642 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-26 23:04:13,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.43 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:13,642 INFO L168 Benchmark]: Boogie Preprocessor took 82.03 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:13,643 INFO L168 Benchmark]: RCFGBuilder took 10898.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:13,643 INFO L168 Benchmark]: TraceAbstraction took 80516.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 46.7 MB). Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 228.1 MB). Peak memory consumption was 274.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:13,643 INFO L168 Benchmark]: Witness Printer took 104.96 ms. Allocated memory is still 1.3 GB. Free memory was 892.2 MB in the beginning and 885.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:04:13,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.43 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 937.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.03 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10898.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80516.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 46.7 MB). Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 228.1 MB). Peak memory consumption was 274.7 MB. Max. memory is 11.5 GB. * Witness Printer took 104.96 ms. Allocated memory is still 1.3 GB. Free memory was 892.2 MB in the beginning and 885.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 57]: Loop Invariant [2018-10-26 23:04:13,653 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,654 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,654 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,654 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,654 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,655 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,655 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 23:04:13,655 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 131 locations, 1 error locations. SAFE Result, 80.4s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 69.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 894 SDtfs, 844 SDslu, 4033 SDs, 0 SdLazy, 873 SolverSat, 39 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 62.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 544 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=6, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 111 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 27 PreInvPairs, 32 NumberOfFragments, 153 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 185 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 512 NumberOfCodeBlocks, 512 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 504 ConstructedInterpolants, 50 QuantifiedInterpolants, 233344 SizeOfPredicates, 45 NumberOfNonLiveVariables, 1292 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...