./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0610_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_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/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 95131fbb90a45f134b236581750b2f1a3cba4d8c .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/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 95131fbb90a45f134b236581750b2f1a3cba4d8c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:07:24,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:07:24,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:07:24,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:07:24,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:07:24,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:07:24,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:07:24,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:07:24,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:07:24,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:07:24,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:07:24,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:07:24,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:07:24,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:07:24,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:07:24,405 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:07:24,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:07:24,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:07:24,408 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:07:24,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:07:24,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:07:24,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:07:24,412 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:07:24,412 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:07:24,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:07:24,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:07:24,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:07:24,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:07:24,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:07:24,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:07:24,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:07:24,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:07:24,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:07:24,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:07:24,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:07:24,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:07:24,417 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 04:07:24,427 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:07:24,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:07:24,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:07:24,428 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:07:24,428 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:07:24,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:07:24,429 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:07:24,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:07:24,429 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:07:24,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:07:24,429 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:07:24,429 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:07:24,430 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:07:24,430 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:07:24,431 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:07:24,431 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:07:24,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:07:24,431 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:07:24,431 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:07:24,431 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:07:24,431 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:07:24,432 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:07:24,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:07:24,432 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_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/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 -> 95131fbb90a45f134b236581750b2f1a3cba4d8c [2018-11-10 04:07:24,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:07:24,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:07:24,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:07:24,468 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:07:24,469 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:07:24,469 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0610_true-unreach-call.c [2018-11-10 04:07:24,508 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/4406a1dc6/5255ee75bf2a42dba51cc192e3d86ecb/FLAGcf06da5cd [2018-11-10 04:07:24,911 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:07:24,911 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/sv-benchmarks/c/float-newlib/float_req_bl_0610_true-unreach-call.c [2018-11-10 04:07:24,916 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/4406a1dc6/5255ee75bf2a42dba51cc192e3d86ecb/FLAGcf06da5cd [2018-11-10 04:07:24,924 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/4406a1dc6/5255ee75bf2a42dba51cc192e3d86ecb [2018-11-10 04:07:24,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:07:24,927 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:07:24,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:07:24,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:07:24,931 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:07:24,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:07:24" (1/1) ... [2018-11-10 04:07:24,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4b65ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:24, skipping insertion in model container [2018-11-10 04:07:24,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:07:24" (1/1) ... [2018-11-10 04:07:24,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:07:24,958 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:07:25,089 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:07:25,094 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:07:25,121 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:07:25,137 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:07:25,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25 WrapperNode [2018-11-10 04:07:25,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:07:25,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:07:25,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:07:25,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:07:25,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... [2018-11-10 04:07:25,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:07:25,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:07:25,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:07:25,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:07:25,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:07:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:07:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:07:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 04:07:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 04:07:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-10 04:07:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:07:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 04:07:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 04:07:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 04:07:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:07:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 04:07:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:07:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 04:07:25,598 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:07:25,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:25 BoogieIcfgContainer [2018-11-10 04:07:25,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:07:25,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:07:25,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:07:25,602 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:07:25,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:07:24" (1/3) ... [2018-11-10 04:07:25,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e736704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:07:25, skipping insertion in model container [2018-11-10 04:07:25,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:25" (2/3) ... [2018-11-10 04:07:25,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e736704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:07:25, skipping insertion in model container [2018-11-10 04:07:25,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:25" (3/3) ... [2018-11-10 04:07:25,604 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0610_true-unreach-call.c [2018-11-10 04:07:25,610 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:07:25,615 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:07:25,624 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:07:25,644 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:07:25,645 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:07:25,645 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:07:25,645 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:07:25,645 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:07:25,645 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:07:25,645 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:07:25,645 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:07:25,645 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:07:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-10 04:07:25,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 04:07:25,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:07:25,664 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] [2018-11-10 04:07:25,666 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:07:25,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:07:25,671 INFO L82 PathProgramCache]: Analyzing trace with hash 636565672, now seen corresponding path program 1 times [2018-11-10 04:07:25,672 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:07:25,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:07:25,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:07:25,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:07:25,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:07:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:25,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:07:25,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:07:25,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:07:25,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:07:25,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:07:25,822 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-10 04:07:25,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:07:25,844 INFO L93 Difference]: Finished difference Result 207 states and 242 transitions. [2018-11-10 04:07:25,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:07:25,845 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 45 [2018-11-10 04:07:25,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:07:25,851 INFO L225 Difference]: With dead ends: 207 [2018-11-10 04:07:25,851 INFO L226 Difference]: Without dead ends: 115 [2018-11-10 04:07:25,853 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 [2018-11-10 04:07:25,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-10 04:07:25,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-10 04:07:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-10 04:07:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2018-11-10 04:07:25,879 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 45 [2018-11-10 04:07:25,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:07:25,879 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2018-11-10 04:07:25,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:07:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2018-11-10 04:07:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 04:07:25,880 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:07:25,881 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] [2018-11-10 04:07:25,881 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:07:25,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:07:25,881 INFO L82 PathProgramCache]: Analyzing trace with hash -200215666, now seen corresponding path program 1 times [2018-11-10 04:07:25,881 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:07:25,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:07:25,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:07:25,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:07:25,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:07:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:07:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:07:25,971 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:07:26,001 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,002 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,002 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,003 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,003 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,003 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,004 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,004 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,004 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,004 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,004 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,005 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,005 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,005 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,006 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,006 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,006 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,006 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,006 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,007 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,007 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,007 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,007 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,007 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,008 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,008 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,008 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,009 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,009 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 04:07:26,009 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 04:07:26,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:07:26 BoogieIcfgContainer [2018-11-10 04:07:26,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:07:26,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:07:26,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:07:26,023 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:07:26,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:25" (3/4) ... [2018-11-10 04:07:26,027 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:07:26,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:07:26,028 INFO L168 Benchmark]: Toolchain (without parser) took 1101.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -93.2 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:26,030 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:07:26,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:26,030 INFO L168 Benchmark]: Boogie Preprocessor took 72.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:26,031 INFO L168 Benchmark]: RCFGBuilder took 388.90 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:26,031 INFO L168 Benchmark]: TraceAbstraction took 423.32 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:26,032 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:07:26,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 388.90 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 423.32 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.37 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 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450970 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#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 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 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450962 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#_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 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 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#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450962 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 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450962 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 6442450970 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#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 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 6442450962 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 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#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450970 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 132]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 68. 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)=6442450968, \old(huge_floor)=6442450964, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450953:6442450957}, atanhi_atan={6442450954:6442450962}, atanlo_atan={6442450950:6442450970}, huge_atan=6442450968, huge_floor=1000000000000000000000000000000, one_atan=6442450958, pi=6442450965, pi_o_2=6442450945, pi_o_4=6442450960] [L32-L37] 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)=6442450968, \old(huge_floor)=6442450964, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450953:6442450957}, atanhi_atan={6442450956:0}, atanlo_atan={6442450950:6442450970}, huge_atan=6442450968, huge_floor=1000000000000000000000000000000, one_atan=6442450958, pi=6442450965, pi_o_2=6442450945, pi_o_4=6442450960] [L39-L44] 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)=6442450968, \old(huge_floor)=6442450964, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450953:6442450957}, atanhi_atan={6442450956:0}, atanlo_atan={6442450948:0}, huge_atan=6442450968, huge_floor=1000000000000000000000000000000, one_atan=6442450958, pi=6442450965, pi_o_2=6442450945, pi_o_4=6442450960] [L46-L50] 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)=6442450968, \old(huge_floor)=6442450964, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450948:0}, huge_atan=6442450968, huge_floor=1000000000000000000000000000000, one_atan=6442450958, pi=6442450965, pi_o_2=6442450945, pi_o_4=6442450960] [L52-L54] 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)=6442450968, \old(huge_floor)=6442450964, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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] [L127] float x = 0.0f / 0.0f; VAL [aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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] [L128] CALL, EXPR atan_float(x) VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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] [L57] float w, s1, s2, z; [L58] __int32_t ix, hx, id; VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L61] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L62] FCALL gf_u.value = (x) VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L63] EXPR, FCALL gf_u.word VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L63] (hx) = gf_u.word [L64] COND FALSE !(0) VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L65] ix = hx & 0x7fffffff VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L66] COND TRUE ix >= 0x50800000 VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L67] COND TRUE ((ix) > 0x7f800000L) [L68] RET return x + x; VAL [\old(x)=6442450951, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] [L128] EXPR atan_float(x) VAL [aT_atan={6442450952:0}, atan_float(x)=6442450967, atanhi_atan={6442450956:0}, 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=6442450951] [L128] float res = atan_float(x); [L131] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450967, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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] [L15] RET return x != x; VAL [\old(x)=6442450967, \result=0, aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450967] [L131] EXPR isnan_float(res) VAL [aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, atanlo_atan={6442450948:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450967, x=6442450951] [L131] COND TRUE !isnan_float(res) [L132] __VERIFIER_error() VAL [aT_atan={6442450952:0}, atanhi_atan={6442450956:0}, 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=6442450951] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 119 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 129 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=119occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1936 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 [2018-11-10 04:07:27,443 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:07:27,444 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:07:27,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:07:27,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:07:27,454 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:07:27,455 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:07:27,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:07:27,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:07:27,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:07:27,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:07:27,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:07:27,459 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:07:27,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:07:27,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:07:27,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:07:27,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:07:27,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:07:27,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:07:27,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:07:27,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:07:27,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:07:27,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:07:27,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:07:27,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:07:27,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:07:27,470 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:07:27,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:07:27,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:07:27,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:07:27,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:07:27,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:07:27,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:07:27,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:07:27,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:07:27,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:07:27,474 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 04:07:27,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:07:27,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:07:27,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:07:27,485 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:07:27,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:07:27,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:07:27,486 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:07:27,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:07:27,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:07:27,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:07:27,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:07:27,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:07:27,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:07:27,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:07:27,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:07:27,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:07:27,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:07:27,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:07:27,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:07:27,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:07:27,489 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 04:07:27,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:07:27,489 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:07:27,489 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:07:27,489 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_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/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 -> 95131fbb90a45f134b236581750b2f1a3cba4d8c [2018-11-10 04:07:27,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:07:27,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:07:27,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:07:27,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:07:27,533 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:07:27,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0610_true-unreach-call.c [2018-11-10 04:07:27,577 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/ac451c608/ea8c944f2a2f4a5a9606b88abe24b23f/FLAGe9c6dde15 [2018-11-10 04:07:27,893 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:07:27,893 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/sv-benchmarks/c/float-newlib/float_req_bl_0610_true-unreach-call.c [2018-11-10 04:07:27,899 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/ac451c608/ea8c944f2a2f4a5a9606b88abe24b23f/FLAGe9c6dde15 [2018-11-10 04:07:27,908 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/data/ac451c608/ea8c944f2a2f4a5a9606b88abe24b23f [2018-11-10 04:07:27,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:07:27,910 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:07:27,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:07:27,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:07:27,914 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:07:27,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:07:27" (1/1) ... [2018-11-10 04:07:27,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69eb368e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:27, skipping insertion in model container [2018-11-10 04:07:27,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:07:27" (1/1) ... [2018-11-10 04:07:27,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:07:27,941 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:07:28,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:07:28,101 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:07:28,138 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:07:28,162 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:07:28,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28 WrapperNode [2018-11-10 04:07:28,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:07:28,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:07:28,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:07:28,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:07:28,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... [2018-11-10 04:07:28,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:07:28,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:07:28,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:07:28,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:07:28,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:07:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:07:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:07:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 04:07:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 04:07:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-10 04:07:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 04:07:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:07:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 04:07:28,435 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,439 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,444 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,453 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,458 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,470 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,474 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,479 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,491 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,494 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,497 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,500 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,504 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,507 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,510 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,513 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,517 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,521 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,524 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,550 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:28,554 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:35,348 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:35,354 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 04:07:35,476 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:07:35,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:35 BoogieIcfgContainer [2018-11-10 04:07:35,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:07:35,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:07:35,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:07:35,479 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:07:35,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:07:27" (1/3) ... [2018-11-10 04:07:35,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318287b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:07:35, skipping insertion in model container [2018-11-10 04:07:35,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:07:28" (2/3) ... [2018-11-10 04:07:35,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318287b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:07:35, skipping insertion in model container [2018-11-10 04:07:35,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:35" (3/3) ... [2018-11-10 04:07:35,481 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0610_true-unreach-call.c [2018-11-10 04:07:35,486 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:07:35,490 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:07:35,498 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:07:35,519 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:07:35,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:07:35,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:07:35,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:07:35,520 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:07:35,520 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:07:35,520 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:07:35,521 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:07:35,521 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:07:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-11-10 04:07:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 04:07:35,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:07:35,537 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] [2018-11-10 04:07:35,538 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:07:35,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:07:35,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1254555106, now seen corresponding path program 1 times [2018-11-10 04:07:35,545 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:07:35,545 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 04:07:35,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:07:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:35,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:07:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:35,687 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:07:35,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:07:35,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:07:35,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 04:07:35,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 04:07:35,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:07:35,712 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-11-10 04:07:35,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:07:35,731 INFO L93 Difference]: Finished difference Result 205 states and 240 transitions. [2018-11-10 04:07:35,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 04:07:35,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 44 [2018-11-10 04:07:35,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:07:35,741 INFO L225 Difference]: With dead ends: 205 [2018-11-10 04:07:35,742 INFO L226 Difference]: Without dead ends: 114 [2018-11-10 04:07:35,745 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 04:07:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-10 04:07:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-10 04:07:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-10 04:07:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 124 transitions. [2018-11-10 04:07:35,777 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 124 transitions. Word has length 44 [2018-11-10 04:07:35,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:07:35,778 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 124 transitions. [2018-11-10 04:07:35,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 04:07:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2018-11-10 04:07:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 04:07:35,780 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:07:35,780 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] [2018-11-10 04:07:35,780 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:07:35,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:07:35,780 INFO L82 PathProgramCache]: Analyzing trace with hash 2077425561, now seen corresponding path program 1 times [2018-11-10 04:07:35,781 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:07:35,781 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 04:07:35,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:07:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:35,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:07:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:36,357 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:07:36,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:07:36,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:07:36,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:07:36,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:07:36,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:07:36,368 INFO L87 Difference]: Start difference. First operand 114 states and 124 transitions. Second operand 9 states. [2018-11-10 04:07:36,693 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 04:07:50,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:07:50,763 INFO L93 Difference]: Finished difference Result 143 states and 155 transitions. [2018-11-10 04:07:50,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:07:50,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-11-10 04:07:50,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:07:50,766 INFO L225 Difference]: With dead ends: 143 [2018-11-10 04:07:50,766 INFO L226 Difference]: Without dead ends: 136 [2018-11-10 04:07:50,767 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 04:07:50,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-10 04:07:50,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 114. [2018-11-10 04:07:50,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-10 04:07:50,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2018-11-10 04:07:50,776 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 53 [2018-11-10 04:07:50,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:07:50,776 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2018-11-10 04:07:50,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:07:50,776 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2018-11-10 04:07:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 04:07:50,777 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:07:50,777 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] [2018-11-10 04:07:50,777 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:07:50,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:07:50,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1395245750, now seen corresponding path program 1 times [2018-11-10 04:07:50,778 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:07:50,778 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 04:07:50,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:07:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:50,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:07:50,937 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 [2018-11-10 04:07:50,940 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 [2018-11-10 04:07:50,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:07:50,944 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:07:50,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:07:50,951 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 04:07:50,964 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 [2018-11-10 04:07:50,967 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 [2018-11-10 04:07:50,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:07:50,969 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:07:50,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:07:50,971 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 04:07:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:51,062 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:07:51,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:07:51,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:07:51,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:07:51,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:07:51,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:07:51,077 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 9 states. [2018-11-10 04:08:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:08:04,221 INFO L93 Difference]: Finished difference Result 168 states and 180 transitions. [2018-11-10 04:08:04,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 04:08:04,222 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2018-11-10 04:08:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:08:04,223 INFO L225 Difference]: With dead ends: 168 [2018-11-10 04:08:04,223 INFO L226 Difference]: Without dead ends: 112 [2018-11-10 04:08:04,223 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 04:08:04,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-10 04:08:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2018-11-10 04:08:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-10 04:08:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2018-11-10 04:08:04,230 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 55 [2018-11-10 04:08:04,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:08:04,231 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2018-11-10 04:08:04,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:08:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2018-11-10 04:08:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 04:08:04,232 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:08:04,232 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] [2018-11-10 04:08:04,233 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:08:04,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:08:04,233 INFO L82 PathProgramCache]: Analyzing trace with hash -943153610, now seen corresponding path program 1 times [2018-11-10 04:08:04,233 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:08:04,234 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/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 [2018-11-10 04:08:04,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:08:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:04,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:08:04,368 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 [2018-11-10 04:08:04,370 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 [2018-11-10 04:08:04,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:08:04,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:04,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:04,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 04:08:04,392 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 [2018-11-10 04:08:04,394 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 [2018-11-10 04:08:04,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:08:04,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:04,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:04,399 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 04:08:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:08:04,508 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:08:04,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:08:04,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 04:08:04,517 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 04:08:04,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 04:08:04,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:08:04,517 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand 10 states. [2018-11-10 04:08:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:08:08,829 INFO L93 Difference]: Finished difference Result 120 states and 123 transitions. [2018-11-10 04:08:08,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 04:08:08,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-10 04:08:08,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:08:08,831 INFO L225 Difference]: With dead ends: 120 [2018-11-10 04:08:08,831 INFO L226 Difference]: Without dead ends: 102 [2018-11-10 04:08:08,831 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-10 04:08:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-10 04:08:08,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-10 04:08:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-10 04:08:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-11-10 04:08:08,837 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 57 [2018-11-10 04:08:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:08:08,837 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-11-10 04:08:08,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 04:08:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-11-10 04:08:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 04:08:08,839 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:08:08,839 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, 1, 1, 1] [2018-11-10 04:08:08,839 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:08:08,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:08:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1142517944, now seen corresponding path program 1 times [2018-11-10 04:08:08,840 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:08:08,840 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/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 [2018-11-10 04:08:08,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:08:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:08:10,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:08:10,093 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 [2018-11-10 04:08:10,098 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 [2018-11-10 04:08:10,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:08:10,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:10,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:10,109 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-11-10 04:08:10,121 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 [2018-11-10 04:08:10,123 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 [2018-11-10 04:08:10,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:08:10,125 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:10,127 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:08:10,127 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-11-10 04:08:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:08:10,224 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:08:10,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:08:10,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:08:10,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:08:10,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:08:10,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:08:10,244 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 9 states. [2018-11-10 04:08:18,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:08:18,847 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2018-11-10 04:08:18,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 04:08:18,848 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-11-10 04:08:18,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:08:18,849 INFO L225 Difference]: With dead ends: 124 [2018-11-10 04:08:18,849 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 04:08:18,849 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-10 04:08:18,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 04:08:18,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 04:08:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 04:08:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 04:08:18,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2018-11-10 04:08:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:08:18,850 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 04:08:18,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:08:18,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 04:08:18,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:08:18,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 04:08:18,945 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 15) no Hoare annotation was computed. [2018-11-10 04:08:18,945 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 15) the Hoare annotation is: true [2018-11-10 04:08:18,945 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 15) no Hoare annotation was computed. [2018-11-10 04:08:18,945 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:08:18,945 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,945 INFO L425 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-4(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-5(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-6(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-7(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-8(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-9(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-10(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L46-11(lines 46 50) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L32-3(lines 32 37) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L32-4(lines 32 37) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L32-5(lines 32 37) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 44) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-11-10 04:08:18,946 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 44) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L39-4(lines 39 44) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 17 30) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 17 30) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-11-10 04:08:18,947 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 17 30) the Hoare annotation is: true [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 30) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 04:08:18,948 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 04:08:18,948 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 04:08:18,948 INFO L425 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 120 137) the Hoare annotation is: true [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 137) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 137) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add RNE .cse0 .cse0)) (= .cse0 main_~x~0))) [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 131 134) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L428 ceAbstractionStarter]: At program point atan_floatENTRY(lines 56 118) the Hoare annotation is: true [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 56 118) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L421 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: (= |atan_float_#in~x| atan_float_~x) [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point L60-4(lines 60 64) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L421 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (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|) (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|) (not (bvsge (bvand atan_float_~hx~0 (_ bv2147483647 32)) (_ bv1350565888 32))))) (= |atan_float_#in~x| atan_float_~x)) [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point L81-1(line 81) no Hoare annotation was computed. [2018-11-10 04:08:18,949 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L110-1(line 110) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L61-3(line 61) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 98) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L115-2(line 115) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L111-3(line 111) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 99) no Hoare annotation was computed. [2018-11-10 04:08:18,950 INFO L425 ceAbstractionStarter]: For program point L107-1(line 107) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L107-2(line 107) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L70-2(line 70) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 73) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L116-2(line 116) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 117) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 78) no Hoare annotation was computed. [2018-11-10 04:08:18,951 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 68) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 56 118) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-11-10 04:08:18,952 INFO L425 ceAbstractionStarter]: For program point L63-2(line 63) no Hoare annotation was computed. [2018-11-10 04:08:18,953 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 77) no Hoare annotation was computed. [2018-11-10 04:08:18,953 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-10 04:08:18,953 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-10 04:08:18,953 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-10 04:08:18,953 INFO L425 ceAbstractionStarter]: For program point L72-2(line 72) no Hoare annotation was computed. [2018-11-10 04:08:18,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:08:18 BoogieIcfgContainer [2018-11-10 04:08:18,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:08:18,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:08:18,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:08:18,962 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:08:18,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:07:35" (3/4) ... [2018-11-10 04:08:18,964 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:08:18,968 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 04:08:18,968 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 04:08:18,968 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 04:08:18,968 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 04:08:18,968 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-11-10 04:08:18,973 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-10 04:08:18,973 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 04:08:18,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 04:08:18,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:08:18,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 04:08:19,012 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f0b61ad5-3fe5-4e71-b0b5-b135e755b227/bin-2019/uautomizer/witness.graphml [2018-11-10 04:08:19,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:08:19,013 INFO L168 Benchmark]: Toolchain (without parser) took 51103.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:19,014 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. [2018-11-10 04:08:19,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:19,015 INFO L168 Benchmark]: Boogie Preprocessor took 46.68 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:19,015 INFO L168 Benchmark]: RCFGBuilder took 7266.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:19,015 INFO L168 Benchmark]: TraceAbstraction took 43484.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:19,015 INFO L168 Benchmark]: Witness Printer took 50.78 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:08:19,017 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 251.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.68 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7266.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43484.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Witness Printer took 50.78 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 132]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 118 locations, 1 error locations. SAFE Result, 43.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 40.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 541 SDtfs, 495 SDslu, 2462 SDs, 0 SdLazy, 568 SolverSat, 19 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 38.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 22 NumberOfFragments, 82 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 305 NumberOfCodeBlocks, 305 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 300 ConstructedInterpolants, 37 QuantifiedInterpolants, 91568 SizeOfPredicates, 28 NumberOfNonLiveVariables, 797 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...