./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/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 cc541d75f5affce4b825454cfd79356341e493a9 ............................................................................................................................................................................................................................................................................................................................................... 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_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/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 cc541d75f5affce4b825454cfd79356341e493a9 .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 term size 27 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:49:19,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:49:19,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:49:19,265 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:49:19,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:49:19,266 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:49:19,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:49:19,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:49:19,269 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:49:19,270 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:49:19,270 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:49:19,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:49:19,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:49:19,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:49:19,272 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:49:19,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:49:19,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:49:19,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:49:19,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:49:19,276 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:49:19,277 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:49:19,278 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:49:19,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:49:19,279 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:49:19,280 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:49:19,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:49:19,280 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:49:19,281 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:49:19,281 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:49:19,282 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:49:19,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:49:19,283 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:49:19,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:49:19,283 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:49:19,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:49:19,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:49:19,285 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 11:49:19,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:49:19,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:49:19,292 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:49:19,292 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 11:49:19,293 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:49:19,293 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:49:19,293 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:49:19,293 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:49:19,293 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:49:19,294 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:49:19,295 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:49:19,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:49:19,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:49:19,295 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:49:19,295 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:49:19,295 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:49:19,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:49:19,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:49:19,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:49:19,296 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:49:19,296 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:49:19,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:49:19,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:49:19,296 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_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/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 -> cc541d75f5affce4b825454cfd79356341e493a9 [2018-11-18 11:49:19,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:49:19,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:49:19,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:49:19,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:49:19,334 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:49:19,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-11-18 11:49:19,371 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/e9db8ae12/0019306db5244fa18c5e1e5f4da1268b/FLAG5bee5e524 [2018-11-18 11:49:19,779 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:49:19,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-11-18 11:49:19,784 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/e9db8ae12/0019306db5244fa18c5e1e5f4da1268b/FLAG5bee5e524 [2018-11-18 11:49:19,798 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/e9db8ae12/0019306db5244fa18c5e1e5f4da1268b [2018-11-18 11:49:19,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:49:19,801 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:49:19,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:49:19,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:49:19,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:49:19,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:49:19" (1/1) ... [2018-11-18 11:49:19,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7601ec79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:19, skipping insertion in model container [2018-11-18 11:49:19,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:49:19" (1/1) ... [2018-11-18 11:49:19,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:49:19,834 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:49:19,969 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:49:19,971 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:49:19,998 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:49:20,050 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:49:20,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20 WrapperNode [2018-11-18 11:49:20,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:49:20,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:49:20,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:49:20,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:49:20,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... [2018-11-18 11:49:20,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:49:20,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:49:20,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:49:20,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:49:20,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:49:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:49:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:49:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 11:49:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-18 11:49:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 11:49:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 11:49:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:49:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:49:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 11:49:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 11:49:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 11:49:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:49:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:49:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:49:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:49:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:49:20,440 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:49:20,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:49:20 BoogieIcfgContainer [2018-11-18 11:49:20,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:49:20,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:49:20,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:49:20,443 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:49:20,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:49:19" (1/3) ... [2018-11-18 11:49:20,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c29935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:49:20, skipping insertion in model container [2018-11-18 11:49:20,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:20" (2/3) ... [2018-11-18 11:49:20,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c29935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:49:20, skipping insertion in model container [2018-11-18 11:49:20,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:49:20" (3/3) ... [2018-11-18 11:49:20,446 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a_true-unreach-call.c [2018-11-18 11:49:20,451 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:49:20,456 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:49:20,468 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:49:20,493 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:49:20,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:49:20,494 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:49:20,494 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:49:20,494 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:49:20,494 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:49:20,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:49:20,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:49:20,495 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:49:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-11-18 11:49:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:49:20,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:49:20,513 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:49:20,514 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:49:20,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:49:20,517 INFO L82 PathProgramCache]: Analyzing trace with hash 715932039, now seen corresponding path program 1 times [2018-11-18 11:49:20,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:49:20,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:49:20,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:49:20,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:49:20,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:49:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:49:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:49:20,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:49:20,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:49:20,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:49:20,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:49:20,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:49:20,658 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 3 states. [2018-11-18 11:49:20,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:49:20,685 INFO L93 Difference]: Finished difference Result 130 states and 194 transitions. [2018-11-18 11:49:20,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:49:20,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-18 11:49:20,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:49:20,692 INFO L225 Difference]: With dead ends: 130 [2018-11-18 11:49:20,693 INFO L226 Difference]: Without dead ends: 64 [2018-11-18 11:49:20,695 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:49:20,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-18 11:49:20,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-11-18 11:49:20,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-18 11:49:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 78 transitions. [2018-11-18 11:49:20,719 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 78 transitions. Word has length 24 [2018-11-18 11:49:20,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:49:20,719 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 78 transitions. [2018-11-18 11:49:20,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:49:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2018-11-18 11:49:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 11:49:20,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:49:20,721 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] [2018-11-18 11:49:20,721 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:49:20,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:49:20,722 INFO L82 PathProgramCache]: Analyzing trace with hash -159187301, now seen corresponding path program 1 times [2018-11-18 11:49:20,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:49:20,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:49:20,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:49:20,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:49:20,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:49:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:49:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:49:20,819 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:49:20,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:49:20 BoogieIcfgContainer [2018-11-18 11:49:20,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:49:20,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:49:20,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:49:20,854 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:49:20,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:49:20" (3/4) ... [2018-11-18 11:49:20,858 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:49:20,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:49:20,859 INFO L168 Benchmark]: Toolchain (without parser) took 1058.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -99.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:20,860 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:49:20,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:20,861 INFO L168 Benchmark]: Boogie Preprocessor took 41.83 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:20,862 INFO L168 Benchmark]: RCFGBuilder took 347.54 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:20,862 INFO L168 Benchmark]: TraceAbstraction took 412.31 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:20,863 INFO L168 Benchmark]: Witness Printer took 4.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:49:20,865 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 249.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.83 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 347.54 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 412.31 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: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 132, overapproximation of bitwiseAnd at line 170, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 161. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=19, \old(Lg1_log)=16, \old(Lg2_log)=17, \old(Lg3_log)=18, \old(Lg4_log)=21, \old(Lg5_log)=23, \old(Lg6_log)=30, \old(Lg7_log)=28, \old(ln2_hi_log)=9, \old(ln2_lo_log)=11, \old(log10_2hi_log10)=12, \old(log10_2lo_log10)=29, \old(two54_log)=31, \old(two54_log10)=13, \old(zero)=33, \old(zero_log10)=24, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L180] double x = __VERIFIER_nondet_double(); [L182] x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] CALL, EXPR isfinite_double(x) VAL [\old(x)=22, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L164] __int32_t hx; VAL [\old(x)=22, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L166] FCALL ieee_double_shape_type gh_u; [L167] FCALL gh_u.value = (x) [L168] EXPR, FCALL gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L169] COND FALSE !(0) VAL [\old(x)=22, hx=3, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L170] RET return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=22, \result=-1, hx=3, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L182] EXPR isfinite_double(x) VAL [isfinite_double(x)=-1, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] x < 0 && isfinite_double(x) VAL [isfinite_double(x)=-1, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, x < 0 && isfinite_double(x)=1, zero=0, zero_log10=0] [L182] COND TRUE x < 0 && isfinite_double(x) [L184] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=22, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=22, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L124] FCALL ieee_double_shape_type ew_u; [L125] FCALL ew_u.value = (x) [L126] EXPR, FCALL ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR, FCALL ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L128] COND FALSE !(0) VAL [\old(x)=22, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=32, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L130] k = 0 VAL [\old(x)=22, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=32, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=22, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=32, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] RET return -two54_log10 / zero_log10; VAL [\old(x)=22, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=32, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L184] EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=15, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isnan_double(res) VAL [\old(x)=15, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] RET return x != x; VAL [\old(x)=15, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=15, zero=0, zero_log10=0] [L187] EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=15, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] [L187] COND TRUE !isnan_double(res) [L188] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=15, two54_log=18014398509481984, two54_log10=18014398509481984, x=22, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 69 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 0 SDslu, 79 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:49:22,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:49:22,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:49:22,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-18 11:49:22,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:49:22,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:49:22,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:49:22,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:49:22,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:49:22,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:49:22,317 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:49:22,319 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:49:22,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:49:22,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:49:22,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:49:22,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:49:22,324 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:49:22,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:49:22,325 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:49:22,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:49:22,326 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:49:22,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:49:22,327 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:49:22,327 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:49:22,329 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:49:22,329 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:49:22,329 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:49:22,330 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:49:22,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:49:22,330 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:49:22,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:49:22,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:49:22,342 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:49:22,342 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:49:22,342 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:49:22,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:49:22,343 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:49:22,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:49:22,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:49:22,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:49:22,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:49:22,343 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:49:22,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:49:22,344 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:49:22,344 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:49:22,345 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:49:22,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:49:22,345 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:49:22,346 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:49:22,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:49:22,346 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:49:22,346 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:49:22,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:49:22,346 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:49:22,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:49:22,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:49:22,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:49:22,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:49:22,347 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:49:22,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:49:22,347 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:49:22,347 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:49:22,348 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_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/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 -> cc541d75f5affce4b825454cfd79356341e493a9 [2018-11-18 11:49:22,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:49:22,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:49:22,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:49:22,390 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:49:22,390 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:49:22,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-11-18 11:49:22,434 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/231b51d3a/19cc9c0b698e4b27b1f6cb7660bd7ab5/FLAG4a63eaa90 [2018-11-18 11:49:22,772 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:49:22,773 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/sv-benchmarks/c/float-newlib/double_req_bl_0970a_true-unreach-call.c [2018-11-18 11:49:22,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/231b51d3a/19cc9c0b698e4b27b1f6cb7660bd7ab5/FLAG4a63eaa90 [2018-11-18 11:49:23,197 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/data/231b51d3a/19cc9c0b698e4b27b1f6cb7660bd7ab5 [2018-11-18 11:49:23,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:49:23,201 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:49:23,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:49:23,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:49:23,203 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:49:23,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401a7ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23, skipping insertion in model container [2018-11-18 11:49:23,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:49:23,232 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:49:23,396 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:49:23,400 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:49:23,440 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:49:23,463 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:49:23,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23 WrapperNode [2018-11-18 11:49:23,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:49:23,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:49:23,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:49:23,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:49:23,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... [2018-11-18 11:49:23,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:49:23,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:49:23,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:49:23,561 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:49:23,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:49:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:49:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:49:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 11:49:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-11-18 11:49:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 11:49:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 11:49:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:49:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:49:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:49:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 11:49:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 11:49:23,728 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:23,757 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:25,867 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:29,380 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:29,675 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:29,763 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:49,845 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:49:49,922 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:49:49,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:49:49 BoogieIcfgContainer [2018-11-18 11:49:49,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:49:49,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:49:49,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:49:49,925 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:49:49,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:49:23" (1/3) ... [2018-11-18 11:49:49,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37be8bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:49:49, skipping insertion in model container [2018-11-18 11:49:49,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:49:23" (2/3) ... [2018-11-18 11:49:49,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37be8bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:49:49, skipping insertion in model container [2018-11-18 11:49:49,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:49:49" (3/3) ... [2018-11-18 11:49:49,928 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a_true-unreach-call.c [2018-11-18 11:49:49,934 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:49:49,940 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:49:49,953 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:49:49,977 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:49:49,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:49:49,977 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:49:49,977 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:49:49,977 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:49:49,977 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:49:49,977 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:49:49,978 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:49:49,978 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:49:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2018-11-18 11:49:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:49:49,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:49:49,992 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] [2018-11-18 11:49:49,993 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:49:49,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:49:49,997 INFO L82 PathProgramCache]: Analyzing trace with hash -173734638, now seen corresponding path program 1 times [2018-11-18 11:49:49,999 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:49:50,000 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 11:49:50,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:49:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:49:50,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:49:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:49:50,733 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:49:50,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:49:50,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:49:50,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:49:50,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:49:50,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:49:50,765 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2018-11-18 11:49:50,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:49:50,784 INFO L93 Difference]: Finished difference Result 127 states and 190 transitions. [2018-11-18 11:49:50,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:49:50,785 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-18 11:49:50,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:49:50,792 INFO L225 Difference]: With dead ends: 127 [2018-11-18 11:49:50,792 INFO L226 Difference]: Without dead ends: 63 [2018-11-18 11:49:50,794 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:49:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-18 11:49:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-18 11:49:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-18 11:49:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2018-11-18 11:49:50,823 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 23 [2018-11-18 11:49:50,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:49:50,823 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2018-11-18 11:49:50,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:49:50,823 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2018-11-18 11:49:50,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:49:50,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:49:50,824 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:49:50,824 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:49:50,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:49:50,824 INFO L82 PathProgramCache]: Analyzing trace with hash -393822788, now seen corresponding path program 1 times [2018-11-18 11:49:50,825 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:49:50,825 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 11:49:50,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:49:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:49:51,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:49:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:49:51,545 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:49:51,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:49:51,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:49:51,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:49:51,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:49:51,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:49:51,561 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand 3 states. [2018-11-18 11:49:51,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:49:51,574 INFO L93 Difference]: Finished difference Result 111 states and 140 transitions. [2018-11-18 11:49:51,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:49:51,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-11-18 11:49:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:49:51,575 INFO L225 Difference]: With dead ends: 111 [2018-11-18 11:49:51,576 INFO L226 Difference]: Without dead ends: 63 [2018-11-18 11:49:51,576 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:49:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-18 11:49:51,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-18 11:49:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-18 11:49:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2018-11-18 11:49:51,581 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 24 [2018-11-18 11:49:51,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:49:51,581 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2018-11-18 11:49:51,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:49:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2018-11-18 11:49:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:49:51,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:49:51,582 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] [2018-11-18 11:49:51,582 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:49:51,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:49:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash -44231424, now seen corresponding path program 1 times [2018-11-18 11:49:51,583 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:49:51,583 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9afaf702-392e-4bee-9be8-1c24c3c2c2d0/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 11:49:51,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:49:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:49:52,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:49:52,496 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:49:52,497 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:49:52,497 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:49:52,498 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 11:49:52,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-11-18 11:49:52,741 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2018-11-18 11:49:52,742 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_1 term size 27 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 11:49:52,744 INFO L168 Benchmark]: Toolchain (without parser) took 29544.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -55.4 MB). Peak memory consumption was 80.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:52,745 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:49:52,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.55 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:52,746 INFO L168 Benchmark]: Boogie Preprocessor took 96.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:52,747 INFO L168 Benchmark]: RCFGBuilder took 26362.50 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:52,747 INFO L168 Benchmark]: TraceAbstraction took 2820.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:52,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 262.55 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 26362.50 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: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2820.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_1 term size 27 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_1 term size 27: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...