./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0621a_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_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 ef69b30587e0c4301fdaba0084db3fa6fe256bc6 ..................................................................................................................................................................................................................................................................................................................................................... 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_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0621a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 ef69b30587e0c4301fdaba0084db3fa6fe256bc6 .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:44:19,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:44:19,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:44:19,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:44:19,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:44:19,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:44:19,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:44:19,441 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:44:19,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:44:19,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:44:19,444 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:44:19,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:44:19,444 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:44:19,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:44:19,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:44:19,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:44:19,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:44:19,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:44:19,449 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:44:19,450 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:44:19,451 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:44:19,451 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:44:19,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:44:19,453 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:44:19,453 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:44:19,453 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:44:19,454 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:44:19,454 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:44:19,455 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:44:19,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:44:19,455 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:44:19,456 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:44:19,456 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:44:19,456 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:44:19,456 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:44:19,457 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:44:19,457 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 11:44:19,467 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:44:19,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:44:19,468 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:44:19,468 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 11:44:19,469 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:44:19,469 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:44:19,469 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:44:19,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:44:19,470 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:44:19,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:44:19,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:44:19,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:44:19,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:44:19,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:44:19,472 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:44:19,472 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:44:19,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:44:19,472 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_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 -> ef69b30587e0c4301fdaba0084db3fa6fe256bc6 [2018-11-18 11:44:19,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:44:19,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:44:19,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:44:19,509 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:44:19,510 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:44:19,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-11-18 11:44:19,555 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/98872154a/41be0645b272428aa279eae4924507ad/FLAG2d036d499 [2018-11-18 11:44:19,966 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:44:19,967 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/sv-benchmarks/c/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-11-18 11:44:19,972 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/98872154a/41be0645b272428aa279eae4924507ad/FLAG2d036d499 [2018-11-18 11:44:19,986 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/98872154a/41be0645b272428aa279eae4924507ad [2018-11-18 11:44:19,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:44:19,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:44:19,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:19,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:44:19,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:44:19,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:19,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad2eb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:19, skipping insertion in model container [2018-11-18 11:44:19,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:19" (1/1) ... [2018-11-18 11:44:20,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:44:20,029 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:44:20,180 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:20,185 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:44:20,213 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:20,272 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:44:20,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20 WrapperNode [2018-11-18 11:44:20,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:20,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:44:20,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:44:20,273 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:44:20,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... [2018-11-18 11:44:20,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:44:20,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:44:20,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:44:20,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:44:20,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 11:44:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:44:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:44:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 11:44:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 11:44:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:44:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:44:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 11:44:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 11:44:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:44:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:44:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:44:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:44:20,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:44:20,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:44:20,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:20 BoogieIcfgContainer [2018-11-18 11:44:20,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:44:20,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:44:20,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:44:20,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:44:20,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:44:19" (1/3) ... [2018-11-18 11:44:20,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246e02d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:20, skipping insertion in model container [2018-11-18 11:44:20,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:20" (2/3) ... [2018-11-18 11:44:20,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246e02d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:20, skipping insertion in model container [2018-11-18 11:44:20,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:20" (3/3) ... [2018-11-18 11:44:20,620 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a_true-unreach-call.c [2018-11-18 11:44:20,626 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:44:20,632 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:44:20,643 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:44:20,669 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:44:20,669 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:44:20,670 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:44:20,670 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:44:20,670 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:44:20,670 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:44:20,670 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:44:20,670 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:44:20,670 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:44:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-11-18 11:44:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:44:20,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:20,688 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:44:20,689 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:20,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1766070720, now seen corresponding path program 1 times [2018-11-18 11:44:20,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:44:20,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:44:20,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:20,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:20,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:20,824 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 11:44:20,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:44:20,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:44:20,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:44:20,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:44:20,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:20,843 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-11-18 11:44:20,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:44:20,861 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2018-11-18 11:44:20,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:44:20,862 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:44:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:44:20,868 INFO L225 Difference]: With dead ends: 86 [2018-11-18 11:44:20,868 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 11:44:20,870 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 11:44:20,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-18 11:44:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 11:44:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2018-11-18 11:44:20,900 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 18 [2018-11-18 11:44:20,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:44:20,901 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2018-11-18 11:44:20,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:44:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-18 11:44:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:44:20,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:20,902 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] [2018-11-18 11:44:20,902 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:20,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:20,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1849258819, now seen corresponding path program 1 times [2018-11-18 11:44:20,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:44:20,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:44:20,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:20,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:20,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:44:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:20,991 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:44:21,012 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 11:44:21,013 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:44:21,013 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:44:21,013 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2018-11-18 11:44:21,013 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:44:21,014 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2018-11-18 11:44:21,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:44:21 BoogieIcfgContainer [2018-11-18 11:44:21,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:44:21,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:44:21,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:44:21,025 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:44:21,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:20" (3/4) ... [2018-11-18 11:44:21,028 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:44:21,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:44:21,029 INFO L168 Benchmark]: Toolchain (without parser) took 1039.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -106.3 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:21,030 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:44:21,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:21,031 INFO L168 Benchmark]: Boogie Preprocessor took 33.90 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 11:44:21,031 INFO L168 Benchmark]: RCFGBuilder took 307.09 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:21,031 INFO L168 Benchmark]: TraceAbstraction took 409.24 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 11:44:21,032 INFO L168 Benchmark]: Witness Printer took 3.70 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 11:44:21,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.90 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. * RCFGBuilder took 307.09 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 409.24 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 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450958 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450956 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 82, overapproximation of bitwiseAnd at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L37-L42] FCALL static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] FCALL static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] FCALL static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450969, \old(one_atan)=6442450961, \old(pi)=6442450966, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450964, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L141] double x = 1.0 / 0.0; VAL [aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L142] CALL, EXPR atan_double(x) VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L65] double w, s1, s2, z; [L66] __int32_t ix, hx, id; VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L69] FCALL ieee_double_shape_type gh_u; [L70] FCALL gh_u.value = (x) [L71] EXPR, FCALL gh_u.parts.msw [L71] (hx) = gh_u.parts.msw [L72] COND FALSE !(0) VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L73] ix = hx & 0x7fffffff VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L74] COND TRUE ix >= 0x44100000 [L75] __uint32_t low; VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=2146435072, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L77] FCALL ieee_double_shape_type gl_u; [L78] FCALL gl_u.value = (x) [L79] EXPR, FCALL gl_u.parts.lsw [L79] (low) = gl_u.parts.lsw [L80] COND FALSE !(0) VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=2146435072, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L81] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L82] RET return x + x; VAL [\old(x)=6442450947, aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, ix=2146435072, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L142] EXPR atan_double(x) VAL [aT_atan={6442450955:0}, atan_double(x)=6442450954, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=6442450947] [L142] double res = atan_double(x); [L144] COND TRUE res != pi_o_2 VAL [aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450954, x=6442450947] [L145] __VERIFIER_error() VAL [aT_atan={6442450955:0}, atanhi_atan={6442450957:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=6442450954, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:44:22,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:44:22,682 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:44:22,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:44:22,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:44:22,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:44:22,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:44:22,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:44:22,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:44:22,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:44:22,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:44:22,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:44:22,701 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:44:22,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:44:22,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:44:22,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:44:22,704 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:44:22,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:44:22,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:44:22,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:44:22,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:44:22,712 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:44:22,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:44:22,714 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:44:22,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:44:22,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:44:22,716 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:44:22,717 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:44:22,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:44:22,719 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:44:22,719 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:44:22,720 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:44:22,720 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:44:22,720 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:44:22,722 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:44:22,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:44:22,723 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:44:22,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:44:22,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:44:22,736 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:44:22,737 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:44:22,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:44:22,738 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:44:22,738 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:44:22,738 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:44:22,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:44:22,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:44:22,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:44:22,739 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:44:22,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:44:22,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:44:22,739 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:44:22,739 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:44:22,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:44:22,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:44:22,740 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:44:22,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:44:22,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:44:22,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:44:22,743 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:44:22,743 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:44:22,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:44:22,743 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:44:22,743 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:44:22,743 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:44:22,744 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:44:22,744 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:44:22,744 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:44:22,744 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:44:22,744 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_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 -> ef69b30587e0c4301fdaba0084db3fa6fe256bc6 [2018-11-18 11:44:22,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:44:22,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:44:22,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:44:22,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:44:22,800 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:44:22,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-11-18 11:44:22,857 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/2a393a9bd/1b8d81f5e7374a23ac1bec2d7b448d89/FLAGebb92ae7b [2018-11-18 11:44:23,221 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:44:23,221 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/sv-benchmarks/c/float-newlib/double_req_bl_0621a_true-unreach-call.c [2018-11-18 11:44:23,226 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/2a393a9bd/1b8d81f5e7374a23ac1bec2d7b448d89/FLAGebb92ae7b [2018-11-18 11:44:23,236 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/data/2a393a9bd/1b8d81f5e7374a23ac1bec2d7b448d89 [2018-11-18 11:44:23,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:44:23,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:44:23,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:23,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:44:23,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:44:23,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689feb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23, skipping insertion in model container [2018-11-18 11:44:23,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:44:23,272 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:44:23,437 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:23,446 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:44:23,488 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:23,515 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:44:23,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23 WrapperNode [2018-11-18 11:44:23,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:23,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:44:23,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:44:23,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:44:23,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... [2018-11-18 11:44:23,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:44:23,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:44:23,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:44:23,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:44:23,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 11:44:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:44:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:44:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-18 11:44:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2018-11-18 11:44:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:44:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:44:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 11:44:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 11:44:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2018-11-18 11:44:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:44:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:44:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 11:44:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:44:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 11:44:23,838 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:23,853 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:23,953 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:29,201 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:39,521 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:44:39,540 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:44:39,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:39 BoogieIcfgContainer [2018-11-18 11:44:39,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:44:39,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:44:39,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:44:39,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:44:39,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:44:23" (1/3) ... [2018-11-18 11:44:39,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e2ed56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:39, skipping insertion in model container [2018-11-18 11:44:39,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:23" (2/3) ... [2018-11-18 11:44:39,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e2ed56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:39, skipping insertion in model container [2018-11-18 11:44:39,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:39" (3/3) ... [2018-11-18 11:44:39,547 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a_true-unreach-call.c [2018-11-18 11:44:39,556 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:44:39,563 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:44:39,579 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:44:39,600 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:44:39,600 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:44:39,600 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:44:39,601 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:44:39,601 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:44:39,601 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:44:39,601 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:44:39,601 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:44:39,601 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:44:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-11-18 11:44:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:44:39,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:44:39,618 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:44:39,620 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:44:39,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:39,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1766070720, now seen corresponding path program 1 times [2018-11-18 11:44:39,626 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:44:39,627 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/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 11:44:39,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:44:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:39,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:44:39,745 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 11:44:39,745 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:44:39,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:44:39,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:44:39,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:44:39,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:44:39,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:39,772 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2018-11-18 11:44:39,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:44:39,787 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2018-11-18 11:44:39,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:44:39,788 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:44:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:44:39,794 INFO L225 Difference]: With dead ends: 47 [2018-11-18 11:44:39,795 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:44:39,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:44:39,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:44:39,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:44:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:44:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:44:39,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-18 11:44:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:44:39,817 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:44:39,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:44:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:44:39,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:44:39,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:44:39,880 INFO L425 ceAbstractionStarter]: For program point fabs_doubleEXIT(lines 17 31) no Hoare annotation was computed. [2018-11-18 11:44:39,880 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 11:44:39,880 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 11:44:39,880 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-18 11:44:39,880 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 31) no Hoare annotation was computed. [2018-11-18 11:44:39,881 INFO L428 ceAbstractionStarter]: At program point fabs_doubleENTRY(lines 17 31) the Hoare annotation is: true [2018-11-18 11:44:39,881 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2018-11-18 11:44:39,881 INFO L425 ceAbstractionStarter]: For program point fabs_doubleFINAL(lines 17 31) no Hoare annotation was computed. [2018-11-18 11:44:39,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:44:39,881 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:44:39,881 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:44:39,881 INFO L428 ceAbstractionStarter]: At program point L68-3(lines 68 72) the Hoare annotation is: true [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 103) no Hoare annotation was computed. [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L68-4(lines 68 72) no Hoare annotation was computed. [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L130-2(line 130) no Hoare annotation was computed. [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 131) no Hoare annotation was computed. [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 92) no Hoare annotation was computed. [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 89 92) no Hoare annotation was computed. [2018-11-18 11:44:39,882 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-11-18 11:44:39,883 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 87) no Hoare annotation was computed. [2018-11-18 11:44:39,883 INFO L428 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-18 11:44:39,883 INFO L425 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-18 11:44:39,883 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 86) no Hoare annotation was computed. [2018-11-18 11:44:39,883 INFO L425 ceAbstractionStarter]: For program point atan_doubleEXIT(lines 64 132) no Hoare annotation was computed. [2018-11-18 11:44:39,883 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 112) no Hoare annotation was computed. [2018-11-18 11:44:39,883 INFO L428 ceAbstractionStarter]: At program point atan_doubleENTRY(lines 64 132) the Hoare annotation is: true [2018-11-18 11:44:39,883 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 113) no Hoare annotation was computed. [2018-11-18 11:44:39,884 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 11:44:39,884 INFO L425 ceAbstractionStarter]: For program point atan_doubleFINAL(lines 64 132) no Hoare annotation was computed. [2018-11-18 11:44:39,884 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-18 11:44:39,884 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 111) no Hoare annotation was computed. [2018-11-18 11:44:39,884 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 74 87) no Hoare annotation was computed. [2018-11-18 11:44:39,884 INFO L425 ceAbstractionStarter]: For program point L105-2(lines 88 113) no Hoare annotation was computed. [2018-11-18 11:44:39,884 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2018-11-18 11:44:39,886 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:44:39,887 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:44:39,887 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 11:44:39,887 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:44:39,887 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:44:39,887 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:44:39,887 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-11-18 11:44:39,888 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-18 11:44:39,888 INFO L428 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: true [2018-11-18 11:44:39,888 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 134 149) the Hoare annotation is: true [2018-11-18 11:44:39,888 INFO L425 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-11-18 11:44:39,888 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 134 149) no Hoare annotation was computed. [2018-11-18 11:44:39,889 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 134 149) no Hoare annotation was computed. [2018-11-18 11:44:39,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:44:39 BoogieIcfgContainer [2018-11-18 11:44:39,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:44:39,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:44:39,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:44:39,896 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:44:39,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:39" (3/4) ... [2018-11-18 11:44:39,899 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:44:39,904 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2018-11-18 11:44:39,904 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:44:39,904 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2018-11-18 11:44:39,905 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:44:39,910 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 11:44:39,910 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-18 11:44:39,911 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:44:39,911 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:44:39,961 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6f29dc59-447d-4ac7-921a-9fcf4e12e754/bin-2019/uautomizer/witness.graphml [2018-11-18 11:44:39,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:44:39,962 INFO L168 Benchmark]: Toolchain (without parser) took 16723.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -83.5 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:39,963 INFO L168 Benchmark]: CDTParser took 0.20 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 11:44:39,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.98 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:39,964 INFO L168 Benchmark]: Boogie Preprocessor took 92.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:39,964 INFO L168 Benchmark]: RCFGBuilder took 15931.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:39,964 INFO L168 Benchmark]: TraceAbstraction took 354.26 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:39,965 INFO L168 Benchmark]: Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:39,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 275.98 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 15931.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 354.26 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: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Witness Printer took 65.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...