./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/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 2b1f703b8c1a340e028de77080ca419d81a34cd6 ............................................................................................................................................................................................................. 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_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/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 2b1f703b8c1a340e028de77080ca419d81a34cd6 ........................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-11-10 07:52:24,641 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:52:24,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:52:24,650 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:52:24,650 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:52:24,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:52:24,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:52:24,653 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:52:24,654 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:52:24,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:52:24,655 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:52:24,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:52:24,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:52:24,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:52:24,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:52:24,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:52:24,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:52:24,659 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:52:24,660 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:52:24,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:52:24,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:52:24,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:52:24,664 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:52:24,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:52:24,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:52:24,665 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:52:24,666 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:52:24,666 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:52:24,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:52:24,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:52:24,668 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:52:24,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:52:24,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:52:24,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:52:24,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:52:24,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:52:24,670 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:52:24,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:52:24,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:52:24,680 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:52:24,681 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:52:24,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:52:24,681 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:52:24,681 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:52:24,681 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:52:24,682 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:52:24,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:52:24,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:52:24,683 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:52:24,683 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:52:24,683 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:52:24,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:52:24,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:52:24,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:52:24,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:52:24,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:52:24,684 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:52:24,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:52:24,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:52:24,684 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_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/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 -> 2b1f703b8c1a340e028de77080ca419d81a34cd6 [2018-11-10 07:52:24,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:52:24,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:52:24,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:52:24,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:52:24,718 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:52:24,719 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-11-10 07:52:24,759 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/56bb640ba/f7d5eeece94248e5924318d75e063dcf/FLAGb9ec6277a [2018-11-10 07:52:25,064 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:52:25,065 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-11-10 07:52:25,069 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/56bb640ba/f7d5eeece94248e5924318d75e063dcf/FLAGb9ec6277a [2018-11-10 07:52:25,081 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/56bb640ba/f7d5eeece94248e5924318d75e063dcf [2018-11-10 07:52:25,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:52:25,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:52:25,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:52:25,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:52:25,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:52:25,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6e5d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25, skipping insertion in model container [2018-11-10 07:52:25,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:52:25,108 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:52:25,214 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:52:25,216 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:52:25,224 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:52:25,231 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:52:25,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25 WrapperNode [2018-11-10 07:52:25,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:52:25,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:52:25,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:52:25,232 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:52:25,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:52:25,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:52:25,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:52:25,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:52:25,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:52:25,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:52:25,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:52:25,258 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:52:25,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/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 [2018-11-10 07:52:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:52:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:52:25,409 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:52:25,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:25 BoogieIcfgContainer [2018-11-10 07:52:25,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:52:25,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:52:25,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:52:25,416 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:52:25,416 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:25" (1/1) ... [2018-11-10 07:52:25,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:52:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 07:52:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 07:52:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 07:52:25,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:52:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:52:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:52:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:52:25,516 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:52:25,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:52:25 ImpRootNode [2018-11-10 07:52:25,528 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:52:25,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:52:25,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:52:25,529 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:52:25,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:25" (3/4) ... [2018-11-10 07:52:25,531 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 07:52:25,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:52:25,532 INFO L168 Benchmark]: Toolchain (without parser) took 448.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:25,533 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:25,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:25,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.43 ms. Allocated memory is still 1.0 GB. Free memory is still 949.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:25,534 INFO L168 Benchmark]: Boogie Preprocessor took 8.20 ms. Allocated memory is still 1.0 GB. Free memory is still 949.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:25,534 INFO L168 Benchmark]: RCFGBuilder took 151.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:25,535 INFO L168 Benchmark]: CodeCheck took 118.38 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:25,535 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:25,537 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 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] CALL __VERIFIER_assert(x==x) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.65 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.43 ms. Allocated memory is still 1.0 GB. Free memory is still 949.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.20 ms. Allocated memory is still 1.0 GB. Free memory is still 949.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 151.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * CodeCheck took 118.38 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:52:26,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:52:26,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:52:26,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:52:26,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:52:26,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:52:26,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:52:26,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:52:26,995 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:52:26,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:52:26,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:52:26,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:52:26,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:52:26,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:52:26,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:52:26,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:52:27,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:52:27,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:52:27,003 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:52:27,004 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:52:27,005 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:52:27,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:52:27,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:52:27,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:52:27,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:52:27,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:52:27,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:52:27,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:52:27,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:52:27,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:52:27,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:52:27,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:52:27,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:52:27,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:52:27,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:52:27,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:52:27,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 07:52:27,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:52:27,025 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:52:27,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:52:27,026 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:52:27,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:52:27,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:52:27,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:52:27,027 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:52:27,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:52:27,028 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:52:27,028 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:52:27,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:52:27,028 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:52:27,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:52:27,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:52:27,029 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:52:27,029 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_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/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 -> 2b1f703b8c1a340e028de77080ca419d81a34cd6 [2018-11-10 07:52:27,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:52:27,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:52:27,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:52:27,068 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:52:27,068 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:52:27,068 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-11-10 07:52:27,102 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/96e675998/45400769243a451a801919bbc56d2cf2/FLAG179bb51b9 [2018-11-10 07:52:27,389 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:52:27,390 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/sv-benchmarks/c/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-11-10 07:52:27,393 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/96e675998/45400769243a451a801919bbc56d2cf2/FLAG179bb51b9 [2018-11-10 07:52:27,402 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/data/96e675998/45400769243a451a801919bbc56d2cf2 [2018-11-10 07:52:27,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:52:27,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:52:27,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:52:27,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:52:27,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:52:27,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1863f2f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27, skipping insertion in model container [2018-11-10 07:52:27,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:52:27,428 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:52:27,526 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:52:27,531 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:52:27,542 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:52:27,553 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:52:27,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27 WrapperNode [2018-11-10 07:52:27,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:52:27,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:52:27,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:52:27,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:52:27,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:52:27,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:52:27,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:52:27,580 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:52:27,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:52:27,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:52:27,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:52:27,594 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:52:27,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/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 [2018-11-10 07:52:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:52:27,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:52:27,773 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:52:27,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:27 BoogieIcfgContainer [2018-11-10 07:52:27,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:52:27,774 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:52:27,774 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:52:27,780 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:52:27,781 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:27" (1/1) ... [2018-11-10 07:52:27,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:52:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 07:52:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 07:52:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 07:52:27,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:27,845 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 07:52:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:52:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 07:52:27,862 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 07:52:27,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:52:27 ImpRootNode [2018-11-10 07:52:27,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:52:27,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:52:27,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:52:27,877 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:52:27,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:27" (3/4) ... [2018-11-10 07:52:27,879 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 07:52:27,906 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e76e9824-d1a7-4a26-8c0d-b18ee7c81bce/bin-2019/ukojak/witness.graphml [2018-11-10 07:52:27,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:52:27,907 INFO L168 Benchmark]: Toolchain (without parser) took 502.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:27,908 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:27,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:27,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:52:27,909 INFO L168 Benchmark]: Boogie Preprocessor took 13.92 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:27,909 INFO L168 Benchmark]: RCFGBuilder took 179.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:27,910 INFO L168 Benchmark]: CodeCheck took 102.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:27,911 INFO L168 Benchmark]: Witness Printer took 29.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:52:27,916 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 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] CALL __VERIFIER_assert(x==x) [L6] COND TRUE !(cond) [L6] __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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.92 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 102.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 29.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...