./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 064927d7c1e3d8158c8524deee46f65d988c7936 .................................................................................................................................................................................................................................................... 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_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 064927d7c1e3d8158c8524deee46f65d988c7936 ............................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:07:23,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:07:23,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:07:23,657 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:07:23,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:07:23,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:07:23,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:07:23,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:07:23,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:07:23,660 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:07:23,661 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:07:23,661 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:07:23,662 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:07:23,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:07:23,663 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:07:23,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:07:23,664 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:07:23,665 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:07:23,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:07:23,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:07:23,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:07:23,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:07:23,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:07:23,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:07:23,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:07:23,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:07:23,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:07:23,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:07:23,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:07:23,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:07:23,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:07:23,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:07:23,672 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:07:23,672 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:07:23,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:07:23,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:07:23,673 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 03:07:23,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:07:23,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:07:23,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:07:23,681 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 03:07:23,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 03:07:23,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 03:07:23,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:07:23,682 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:07:23,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:07:23,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:07:23,683 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 03:07:23,684 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:07:23,684 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 03:07:23,684 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 03:07:23,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:07:23,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:07:23,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:07:23,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:07:23,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:07:23,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:07:23,685 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 03:07:23,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:07:23,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:07:23,686 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_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak 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 -> Kojak 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 -> 064927d7c1e3d8158c8524deee46f65d988c7936 [2018-12-09 03:07:23,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:07:23,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:07:23,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:07:23,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:07:23,718 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:07:23,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-09 03:07:23,752 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/d765a078b/4515521fb2ce44e2ae635b6dc2c0fa89/FLAG9307f6dab [2018-12-09 03:07:24,132 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:07:24,133 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-09 03:07:24,138 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/d765a078b/4515521fb2ce44e2ae635b6dc2c0fa89/FLAG9307f6dab [2018-12-09 03:07:24,146 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/d765a078b/4515521fb2ce44e2ae635b6dc2c0fa89 [2018-12-09 03:07:24,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:07:24,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:07:24,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:07:24,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:07:24,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:07:24,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c1f7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24, skipping insertion in model container [2018-12-09 03:07:24,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:07:24,170 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:07:24,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:07:24,271 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:07:24,287 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:07:24,299 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:07:24,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24 WrapperNode [2018-12-09 03:07:24,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:07:24,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:07:24,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:07:24,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:07:24,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:07:24,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:07:24,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:07:24,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:07:24,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:07:24,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:07:24,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:07:24,377 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:07:24,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-09 03:07:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-09 03:07:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-09 03:07:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 03:07:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:07:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:07:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:07:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 03:07:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 03:07:24,642 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:07:24,642 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 03:07:24,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:24 BoogieIcfgContainer [2018-12-09 03:07:24,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:07:24,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 03:07:24,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 03:07:24,650 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 03:07:24,650 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:24" (1/1) ... [2018-12-09 03:07:24,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:07:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-09 03:07:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-09 03:07:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 03:07:24,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-09 03:07:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-09 03:07:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 03:07:24,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:07:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:07:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:07:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:07:24,839 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-09 03:07:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:07:24 ImpRootNode [2018-12-09 03:07:24,857 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 03:07:24,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:07:24,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:07:24,858 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:07:24,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:24" (3/4) ... [2018-12-09 03:07:24,861 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 03:07:24,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:07:24,861 INFO L168 Benchmark]: Toolchain (without parser) took 712.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:24,863 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:07:24,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.28 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:24,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:24,864 INFO L168 Benchmark]: Boogie Preprocessor took 19.58 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. [2018-12-09 03:07:24,864 INFO L168 Benchmark]: RCFGBuilder took 265.70 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:24,865 INFO L168 Benchmark]: CodeCheck took 214.24 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:24,865 INFO L168 Benchmark]: Witness Printer took 3.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:24,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 74. Possible FailurePath: [L74] double x = -0.0; [L75] double y = 0.0; [L46] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=1] [L19] __uint32_t msw, lsw; VAL [\old(x)=1, x=1] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L42] return 0; [L46] RET, EXPR __fpclassify_double(x) [L46] COND TRUE __fpclassify_double(x) == 0 [L47] return y; [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.28 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.58 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 265.70 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 214.24 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:07:26,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:07:26,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:07:26,129 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:07:26,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:07:26,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:07:26,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:07:26,131 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:07:26,132 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:07:26,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:07:26,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:07:26,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:07:26,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:07:26,134 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:07:26,134 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:07:26,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:07:26,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:07:26,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:07:26,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:07:26,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:07:26,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:07:26,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:07:26,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:07:26,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:07:26,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:07:26,141 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:07:26,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:07:26,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:07:26,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:07:26,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:07:26,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:07:26,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:07:26,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:07:26,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:07:26,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:07:26,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:07:26,145 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 03:07:26,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:07:26,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:07:26,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:07:26,154 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 03:07:26,154 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 03:07:26,154 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 03:07:26,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:07:26,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:07:26,156 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 03:07:26,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:07:26,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:07:26,156 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 03:07:26,157 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 03:07:26,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:07:26,157 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 03:07:26,157 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 03:07:26,157 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_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak 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 -> Kojak 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 -> 064927d7c1e3d8158c8524deee46f65d988c7936 [2018-12-09 03:07:26,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:07:26,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:07:26,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:07:26,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:07:26,186 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:07:26,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-09 03:07:26,222 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/ca6b20184/750a5018e6d841489dc2125e32ea21d8/FLAG35da163a9 [2018-12-09 03:07:26,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:07:26,659 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/sv-benchmarks/c/float-newlib/double_req_bl_1232b_false-unreach-call.c [2018-12-09 03:07:26,665 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/ca6b20184/750a5018e6d841489dc2125e32ea21d8/FLAG35da163a9 [2018-12-09 03:07:26,673 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/data/ca6b20184/750a5018e6d841489dc2125e32ea21d8 [2018-12-09 03:07:26,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:07:26,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:07:26,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:07:26,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:07:26,678 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:07:26,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc903f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26, skipping insertion in model container [2018-12-09 03:07:26,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:07:26,696 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:07:26,795 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:07:26,798 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:07:26,815 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:07:26,832 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:07:26,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26 WrapperNode [2018-12-09 03:07:26,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:07:26,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:07:26,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:07:26,833 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:07:26,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:07:26,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:07:26,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:07:26,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:07:26,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... [2018-12-09 03:07:26,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:07:26,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:07:26,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:07:26,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:07:26,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:07:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-09 03:07:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 03:07:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2018-12-09 03:07:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2018-12-09 03:07:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:07:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 03:07:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:07:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:07:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 03:07:27,067 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 03:07:27,149 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 03:07:27,268 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:07:27,268 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 03:07:27,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:27 BoogieIcfgContainer [2018-12-09 03:07:27,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:07:27,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 03:07:27,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 03:07:27,275 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 03:07:27,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:27" (1/1) ... [2018-12-09 03:07:27,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:07:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-09 03:07:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-09 03:07:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 03:07:27,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:27,345 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 03:07:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:27,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:07:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:27,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-12-09 03:07:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-12-09 03:07:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 03:07:27,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:27,381 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 03:07:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:27,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:07:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2018-12-09 03:07:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-09 03:07:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 03:07:27,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:27,499 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 03:07:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:27,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:07:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2018-12-09 03:07:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-09 03:07:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 03:07:27,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:27,520 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 03:07:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:27,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:07:27,603 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 03:07:27,604 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 03:07:27,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-09 03:07:27,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-12-09 03:07:27,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 03:07:27,685 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-09 03:07:27,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-12-09 03:07:27,700 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 03:07:27,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 03:07:27,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 03:07:27,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-09 03:07:27,717 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:18 [2018-12-09 03:07:34,077 WARN L180 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 4206 DAG size of output: 217 [2018-12-09 03:07:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:35,646 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-12-09 03:07:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2018-12-09 03:07:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-09 03:07:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 03:07:36,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:36,008 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 03:07:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:36,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:07:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 03:07:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 22 transitions. [2018-12-09 03:07:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-09 03:07:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 03:07:36,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:36,695 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-09 03:07:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:07:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:07:36,906 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-09 03:07:36,923 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-09 03:07:36,924 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-09 03:07:36,924 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-09 03:07:36,925 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-09 03:07:36,925 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-09 03:07:36,925 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-09 03:07:36,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:07:36 ImpRootNode [2018-12-09 03:07:36,928 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 03:07:36,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:07:36,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:07:36,928 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:07:36,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:07:27" (3/4) ... [2018-12-09 03:07:36,931 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 03:07:36,934 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-09 03:07:36,934 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-09 03:07:36,934 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE [2018-12-09 03:07:36,935 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-09 03:07:36,935 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-09 03:07:36,935 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE [2018-12-09 03:07:36,963 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a9429be-0fc3-4c80-b1d9-fb7237eead55/bin-2019/ukojak/witness.graphml [2018-12-09 03:07:36,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:07:36,964 INFO L168 Benchmark]: Toolchain (without parser) took 10288.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 182.1 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:36,964 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:07:36,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.46 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:36,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.50 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:07:36,965 INFO L168 Benchmark]: Boogie Preprocessor took 55.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:36,966 INFO L168 Benchmark]: RCFGBuilder took 356.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:36,966 INFO L168 Benchmark]: CodeCheck took 9659.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 197.9 MB. Max. memory is 11.5 GB. [2018-12-09 03:07:36,966 INFO L168 Benchmark]: Witness Printer took 35.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-09 03:07:36,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 9.6s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 432 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 545 GetRequests, 511 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 3 QuantifiedInterpolants, 7808 SizeOfPredicates, 19 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 80]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L74] double x = -0.0; [L75] double y = 0.0; [L46] CALL, EXPR __fpclassify_double(x) [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND TRUE (msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000) [L30] return 2; [L46] RET, EXPR __fpclassify_double(x) [L46] COND FALSE !(__fpclassify_double(x) == 0) [L48] CALL, EXPR __fpclassify_double(y) [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND TRUE (msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000) [L30] return 2; [L48] RET, EXPR __fpclassify_double(y) [L48] COND FALSE !(__fpclassify_double(y) == 0) [L51] EXPR x < y ? x : y [L51] return x < y ? x : y; [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L55] __uint32_t msw; [L58] ieee_double_shape_type gh_u; [L59] gh_u.value = (x) [L60] EXPR gh_u.parts.msw [L60] (msw) = gh_u.parts.msw [L63] return (msw & 0x80000000) != 0; [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.46 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.50 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 356.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * CodeCheck took 9659.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 197.9 MB. Max. memory is 11.5 GB. * Witness Printer took 35.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Minuszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Pluszero~LONGDOUBLE RESULT: Ultimate proved your program to be incorrect! Received shutdown request...