./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.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_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/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 044666208476da4ad4fcec9a18fadf3bde3ce58f ................................................................................................................................................................................................................................... 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_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/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 044666208476da4ad4fcec9a18fadf3bde3ce58f ..................................................................................................................................................................................................... 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 [2018-10-26 20:50:05,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:50:05,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:50:05,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:50:05,884 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:50:05,885 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:50:05,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:50:05,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:50:05,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:50:05,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:50:05,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:50:05,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:50:05,892 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:50:05,893 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:50:05,894 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:50:05,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:50:05,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:50:05,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:50:05,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:50:05,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:50:05,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:50:05,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:50:05,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:50:05,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:50:05,915 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:50:05,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:50:05,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:50:05,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:50:05,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:50:05,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:50:05,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:50:05,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:50:05,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:50:05,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:50:05,923 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:50:05,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:50:05,924 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:50:05,941 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:50:05,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:50:05,942 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:50:05,942 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:50:05,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:50:05,945 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:50:05,945 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:50:05,945 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:50:05,945 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:50:05,946 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:50:05,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:50:05,947 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:50:05,947 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:50:05,947 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:50:05,947 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:50:05,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:50:05,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:50:05,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:50:05,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:50:05,948 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:50:05,948 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:50:05,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:50:05,948 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_55377811-73f7-4c45-9711-b7f5624400bb/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 -> 044666208476da4ad4fcec9a18fadf3bde3ce58f [2018-10-26 20:50:05,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:50:06,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:50:06,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:50:06,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:50:06,021 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:50:06,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-10-26 20:50:06,082 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/f3e0c1367/b75ec65468c04f83baebc51297817ab6/FLAGa0c186c94 [2018-10-26 20:50:06,493 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:50:06,494 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-10-26 20:50:06,500 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/f3e0c1367/b75ec65468c04f83baebc51297817ab6/FLAGa0c186c94 [2018-10-26 20:50:06,514 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/f3e0c1367/b75ec65468c04f83baebc51297817ab6 [2018-10-26 20:50:06,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:50:06,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:50:06,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:50:06,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:50:06,523 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:50:06,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ba8991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06, skipping insertion in model container [2018-10-26 20:50:06,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:50:06,560 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:50:06,705 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:50:06,710 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:50:06,730 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:50:06,745 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:50:06,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06 WrapperNode [2018-10-26 20:50:06,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:50:06,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:50:06,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:50:06,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:50:06,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:50:06,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:50:06,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:50:06,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:50:06,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... [2018-10-26 20:50:06,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:50:06,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:50:06,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:50:06,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:50:06,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/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 [2018-10-26 20:50:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:50:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:50:07,530 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:50:07,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:50:07 BoogieIcfgContainer [2018-10-26 20:50:07,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:50:07,531 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:50:07,531 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:50:07,544 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:50:07,545 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:50:07" (1/1) ... [2018-10-26 20:50:07,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:50:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:50:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 20:50:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 20:50:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 20:50:07,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:50:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:50:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:50:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:50:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 20:50:07,734 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 20:50:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:50:07,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:50:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:50:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:50:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:50:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:50:07,832 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 20:50:07,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:50:07 ImpRootNode [2018-10-26 20:50:07,863 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:50:07,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:50:07,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:50:07,864 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:50:07,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:50:07" (3/4) ... [2018-10-26 20:50:07,871 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:50:07,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:50:07,872 INFO L168 Benchmark]: Toolchain (without parser) took 1354.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:50:07,874 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:50:07,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.28 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:07,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.54 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:07,877 INFO L168 Benchmark]: Boogie Preprocessor took 21.83 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:50:07,877 INFO L168 Benchmark]: RCFGBuilder took 725.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:07,878 INFO L168 Benchmark]: CodeCheck took 332.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:07,880 INFO L168 Benchmark]: Witness Printer took 7.89 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:50:07,884 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, 15 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 51. Possible FailurePath: [L17] double _EPS = 1e-6; [L44] double d, r; [L46] d = __VERIFIER_nondet_double() [L49] CALL, EXPR SqrtR(d) [L21] double xn, xnp1, residu, lsup, linf; [L22] int i, cond; [L23] COND FALSE !(Input <= 1.0) [L23] xn = 1.0/Input [L24] xnp1 = xn [L25] residu = 2.0*_EPS*(xn+xnp1) [L26] lsup = _EPS * (xn+xnp1) [L27] linf = -lsup [L28] cond = ((residu > lsup) || (residu < linf)) [L29] i = 0 VAL [_EPS=1/1000000] [L30] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L39] RET return 1.0 / xnp1; [L49] EXPR SqrtR(d) [L49] r = SqrtR(d) [L51] CALL __VERIFIER_assert(r >= 0.3 && r <= 5.) [L15] COND TRUE !(cond) VAL [_EPS=1/1000000] [L15] __VERIFIER_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.28 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 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 36.54 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.83 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 725.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * CodeCheck took 332.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.89 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:50:10,120 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:50:10,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:50:10,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:50:10,132 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:50:10,133 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:50:10,134 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:50:10,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:50:10,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:50:10,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:50:10,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:50:10,139 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:50:10,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:50:10,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:50:10,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:50:10,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:50:10,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:50:10,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:50:10,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:50:10,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:50:10,150 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:50:10,151 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:50:10,153 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:50:10,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:50:10,154 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:50:10,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:50:10,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:50:10,157 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:50:10,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:50:10,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:50:10,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:50:10,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:50:10,160 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:50:10,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:50:10,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:50:10,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:50:10,162 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 20:50:10,178 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:50:10,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:50:10,179 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:50:10,180 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:50:10,180 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:50:10,180 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:50:10,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:50:10,181 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:50:10,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:50:10,181 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:50:10,181 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:50:10,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:50:10,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:50:10,182 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:50:10,185 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:50:10,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:50:10,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:50:10,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:50:10,185 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:50:10,186 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:50:10,186 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:50:10,186 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:50:10,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:50:10,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:50:10,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:50:10,187 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:50:10,187 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 20:50:10,187 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:50:10,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:50:10,187 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:50:10,188 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:50:10,188 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_55377811-73f7-4c45-9711-b7f5624400bb/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 -> 044666208476da4ad4fcec9a18fadf3bde3ce58f [2018-10-26 20:50:10,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:50:10,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:50:10,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:50:10,280 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:50:10,280 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:50:10,281 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-10-26 20:50:10,346 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/e18d54196/71b0b2902a8b4042a28025fbc0d38867/FLAG3ac4a030e [2018-10-26 20:50:10,747 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:50:10,748 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-10-26 20:50:10,754 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/e18d54196/71b0b2902a8b4042a28025fbc0d38867/FLAG3ac4a030e [2018-10-26 20:50:10,767 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/bin-2019/ukojak/data/e18d54196/71b0b2902a8b4042a28025fbc0d38867 [2018-10-26 20:50:10,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:50:10,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:50:10,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:50:10,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:50:10,777 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:50:10,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:50:10" (1/1) ... [2018-10-26 20:50:10,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6614753a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:10, skipping insertion in model container [2018-10-26 20:50:10,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:50:10" (1/1) ... [2018-10-26 20:50:10,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:50:10,814 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:50:10,990 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:50:10,997 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:50:11,021 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:50:11,037 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:50:11,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11 WrapperNode [2018-10-26 20:50:11,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:50:11,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:50:11,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:50:11,038 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:50:11,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:50:11,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:50:11,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:50:11,077 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:50:11,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... [2018-10-26 20:50:11,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:50:11,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:50:11,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:50:11,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:50:11,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:50:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55377811-73f7-4c45-9711-b7f5624400bb/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 [2018-10-26 20:50:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:50:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:51:40,092 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:51:40,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:40 BoogieIcfgContainer [2018-10-26 20:51:40,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:51:40,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:51:40,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:51:40,104 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:51:40,105 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:40" (1/1) ... [2018-10-26 20:51:40,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:51:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 20:51:40,151 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 20:51:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 20:51:40,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:40,214 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:51:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:51:40,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:51:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:51:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:51:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 20:51:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 20:51:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:51:40,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:51:40,282 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 20:51:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 20:51:51,870 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) [2018-10-26 20:51:51,873 INFO L168 Benchmark]: Toolchain (without parser) took 101101.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:51:51,877 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-26 20:51:51,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.56 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:51:51,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.40 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:51:51,879 INFO L168 Benchmark]: Boogie Preprocessor took 41.16 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:51:51,880 INFO L168 Benchmark]: RCFGBuilder took 88974.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:51:51,882 INFO L168 Benchmark]: CodeCheck took 11778.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:51:51,886 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 0.18 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 264.56 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 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 38.40 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.16 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 88974.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 11778.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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...