./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/water_pid_true-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_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/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 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 .................................................................................................................................................................................................................................................... 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_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/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 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:23:10,266 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:23:10,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:23:10,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:23:10,278 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:23:10,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:23:10,280 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:23:10,282 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:23:10,284 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:23:10,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:23:10,286 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:23:10,286 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:23:10,287 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:23:10,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:23:10,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:23:10,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:23:10,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:23:10,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:23:10,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:23:10,296 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:23:10,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:23:10,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:23:10,302 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:23:10,302 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:23:10,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:23:10,306 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:23:10,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:23:10,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:23:10,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:23:10,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:23:10,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:23:10,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:23:10,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:23:10,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:23:10,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:23:10,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:23:10,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:23:10,326 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:23:10,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:23:10,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:23:10,327 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:23:10,328 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:23:10,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:23:10,328 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:23:10,328 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:23:10,329 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:23:10,330 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:23:10,330 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:23:10,330 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:23:10,332 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:23:10,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:23:10,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:23:10,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:23:10,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:23:10,333 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:23:10,333 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:23:10,333 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:23:10,333 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:23:10,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:23:10,333 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_70175c99-7068-42fd-943e-bb2d971010d2/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 -> 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 [2018-10-27 00:23:10,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:23:10,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:23:10,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:23:10,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:23:10,377 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:23:10,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-10-27 00:23:10,428 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/d7927642a/034e9d5d6f44457097a7a2af0c205a80/FLAGc39f5f4ca [2018-10-27 00:23:10,764 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:23:10,765 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-10-27 00:23:10,772 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/d7927642a/034e9d5d6f44457097a7a2af0c205a80/FLAGc39f5f4ca [2018-10-27 00:23:10,791 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/d7927642a/034e9d5d6f44457097a7a2af0c205a80 [2018-10-27 00:23:10,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:23:10,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:23:10,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:23:10,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:23:10,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:23:10,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:23:10" (1/1) ... [2018-10-27 00:23:10,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef586e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:10, skipping insertion in model container [2018-10-27 00:23:10,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:23:10" (1/1) ... [2018-10-27 00:23:10,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:23:10,844 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:23:10,999 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:23:11,004 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:23:11,026 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:23:11,043 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:23:11,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11 WrapperNode [2018-10-27 00:23:11,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:23:11,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:23:11,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:23:11,044 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:23:11,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:23:11,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:23:11,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:23:11,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:23:11,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:23:11,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:23:11,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:23:11,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:23:11,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/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 [2018-10-27 00:23:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:23:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:23:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure y [2018-10-27 00:23:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2018-10-27 00:23:11,716 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:23:11,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:23:11 BoogieIcfgContainer [2018-10-27 00:23:11,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:23:11,717 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:23:11,717 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:23:11,732 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:23:11,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:23:11" (1/1) ... [2018-10-27 00:23:11,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:23:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:23:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-27 00:23:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-27 00:23:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 00:23:11,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:23:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:23:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:23:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:23:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:23:11,975 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-27 00:23:12,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:23:12 ImpRootNode [2018-10-27 00:23:12,001 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:23:12,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:23:12,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:23:12,002 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:23:12,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:23:11" (3/4) ... [2018-10-27 00:23:12,007 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:23:12,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:23:12,008 INFO L168 Benchmark]: Toolchain (without parser) took 1209.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:23:12,009 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:23:12,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:23:12,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.39 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:23:12,012 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:23:12,012 INFO L168 Benchmark]: RCFGBuilder took 612.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:23:12,013 INFO L168 Benchmark]: CodeCheck took 284.16 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:23:12,014 INFO L168 Benchmark]: Witness Printer took 5.27 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. [2018-10-27 00:23:12,017 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, 20 locations, 1 error locations. UNSAFE Result, 0.2s 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, 13 NumberOfCodeBlocks, 13 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 someBinaryDOUBLEComparisonOperation at line 44, overapproximation of to_real at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 39. Possible FailurePath: [L10] static NUM yn = 0; [L12] NUM ui = 0; [L22] NUM yi, yc; [L23] NUM K; [L24] NUM T; [L25] NUM taui; [L26] NUM taud; [L27] NUM ei, sumej, epi; [L28] int i; [L29] T = 1 [L30] taui = 1 [L31] taud = 1 [L32] K = .5 [L33] yc = .5 [L34] CALL, EXPR y(0) VAL [\old(i)=0, \old(yn)=0, yn=0] [L16] yn += ui [L17] RET return yn; [L34] EXPR y(0) VAL [yn=2] [L34] yi = y(0) [L35] epi = yc-yi [L36] sumej = epi [L37] i=0 VAL [yn=2] [L37] COND TRUE i<120 VAL [yn=2] [L38] CALL, EXPR y(i) VAL [\old(i)=0, \old(yn)=2, yn=2] [L16] yn += ui [L17] RET return yn; [L38] EXPR y(i) VAL [yn=3] [L38] yi = y(i) [L39] ei = yc-yi [L40] sumej = sumej+ei [L41] ui = K*(ei+sumej*T/taui+taud/T*(ei-epi)) [L42] epi = ei [L44] CALL __VERIFIER_assert(epi >= -1. && epi <= 1.) [L6] COND TRUE !(cond) VAL [yn=3] [L6] __VERIFIER_error() VAL [yn=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 243.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 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 34.39 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.76 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 612.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * CodeCheck took 284.16 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 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 [2018-10-27 00:23:14,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:23:14,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:23:14,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:23:14,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:23:14,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:23:14,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:23:14,162 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:23:14,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:23:14,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:23:14,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:23:14,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:23:14,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:23:14,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:23:14,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:23:14,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:23:14,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:23:14,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:23:14,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:23:14,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:23:14,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:23:14,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:23:14,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:23:14,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:23:14,180 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:23:14,181 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:23:14,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:23:14,183 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:23:14,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:23:14,184 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:23:14,185 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:23:14,185 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:23:14,185 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:23:14,185 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:23:14,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:23:14,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:23:14,188 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-27 00:23:14,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:23:14,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:23:14,202 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:23:14,202 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:23:14,203 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:23:14,203 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:23:14,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:23:14,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:23:14,203 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:23:14,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:23:14,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:23:14,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:23:14,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:23:14,204 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:23:14,204 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:23:14,205 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:23:14,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:23:14,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:23:14,205 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:23:14,205 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:23:14,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:23:14,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:23:14,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:23:14,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:23:14,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:23:14,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:23:14,208 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-27 00:23:14,208 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:23:14,209 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:23:14,209 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:23:14,209 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:23:14,209 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_70175c99-7068-42fd-943e-bb2d971010d2/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 -> 7fd08b3e226d625ffd75458b50e3f94c29ac1e83 [2018-10-27 00:23:14,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:23:14,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:23:14,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:23:14,258 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:23:14,259 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:23:14,259 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-10-27 00:23:14,309 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/b27456a2f/98f1a2589f954ee1b469f2c5746523ea/FLAG9c3f4e1e9 [2018-10-27 00:23:14,690 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:23:14,691 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/sv-benchmarks/c/float-benchs/water_pid_true-unreach-call_true-termination.c [2018-10-27 00:23:14,696 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/b27456a2f/98f1a2589f954ee1b469f2c5746523ea/FLAG9c3f4e1e9 [2018-10-27 00:23:14,707 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/bin-2019/ukojak/data/b27456a2f/98f1a2589f954ee1b469f2c5746523ea [2018-10-27 00:23:14,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:23:14,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:23:14,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:23:14,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:23:14,717 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:23:14,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:14,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c3e7a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14, skipping insertion in model container [2018-10-27 00:23:14,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:14,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:23:14,752 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:23:14,933 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:23:14,940 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:23:14,966 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:23:14,981 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:23:14,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14 WrapperNode [2018-10-27 00:23:14,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:23:14,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:23:14,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:23:14,983 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:23:14,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:23:15,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:23:15,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:23:15,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:23:15,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... [2018-10-27 00:23:15,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:23:15,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:23:15,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:23:15,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:23:15,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:23:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70175c99-7068-42fd-943e-bb2d971010d2/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 [2018-10-27 00:23:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:23:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:23:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure y [2018-10-27 00:23:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2018-10-27 00:23:26,853 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:23:26,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:23:26 BoogieIcfgContainer [2018-10-27 00:23:26,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:23:26,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:23:26,854 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:23:26,866 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:23:26,866 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:23:26" (1/1) ... [2018-10-27 00:23:26,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:23:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:23:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-27 00:23:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-27 00:23:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 00:23:26,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:23:26,974 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-27 00:23:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:23:37,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:23:38,120 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 00:23:38,691 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:23:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:23:41,250 WARN L179 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 00:23:46,794 WARN L179 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 00:24:14,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:24:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 33 transitions. [2018-10-27 00:24:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-27 00:24:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 00:24:14,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:24:14,642 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-27 00:24:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-27 00:24:27,406 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 00:24:27,413 INFO L168 Benchmark]: Toolchain (without parser) took 72702.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:24:27,416 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-10-27 00:24:27,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.42 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:24:27,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.13 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:24:27,418 INFO L168 Benchmark]: Boogie Preprocessor took 35.97 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:24:27,419 INFO L168 Benchmark]: RCFGBuilder took 11797.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:24:27,419 INFO L168 Benchmark]: CodeCheck took 60558.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:24:27,427 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 268.42 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 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 38.13 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.97 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 11797.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 60558.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...