./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i --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_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/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 e03384737e8763104139cfd338bec2bd1e3e90b2 ................................................................................................................................................................................................................. 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_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/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 e03384737e8763104139cfd338bec2bd1e3e90b2 ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:03:59,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:03:59,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:03:59,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:03:59,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:03:59,842 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:03:59,843 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:03:59,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:03:59,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:03:59,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:03:59,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:03:59,847 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:03:59,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:03:59,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:03:59,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:03:59,850 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:03:59,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:03:59,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:03:59,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:03:59,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:03:59,855 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:03:59,856 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:03:59,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:03:59,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:03:59,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:03:59,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:03:59,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:03:59,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:03:59,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:03:59,862 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:03:59,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:03:59,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:03:59,863 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:03:59,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:03:59,863 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:03:59,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:03:59,864 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:03:59,875 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:03:59,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:03:59,876 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:03:59,876 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:03:59,877 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:03:59,877 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:03:59,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:03:59,877 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:03:59,877 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:03:59,877 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:03:59,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:03:59,878 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:03:59,878 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:03:59,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:03:59,878 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:03:59,878 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:03:59,878 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:03:59,879 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:03:59,879 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:03:59,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:03:59,879 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:03:59,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:03:59,879 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:03:59,879 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:03:59,880 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:03:59,880 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:03:59,880 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:03:59,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:03:59,880 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_b5c799a4-cf58-48d3-bedb-6a866cec1781/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 -> e03384737e8763104139cfd338bec2bd1e3e90b2 [2018-11-10 01:03:59,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:03:59,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:03:59,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:03:59,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:03:59,922 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:03:59,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-11-10 01:03:59,968 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/8dcf5e05d/8c8de033b758466492a835229794f7c2/FLAGa3034b510 [2018-11-10 01:04:00,360 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:04:00,361 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-11-10 01:04:00,364 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/8dcf5e05d/8c8de033b758466492a835229794f7c2/FLAGa3034b510 [2018-11-10 01:04:00,373 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/8dcf5e05d/8c8de033b758466492a835229794f7c2 [2018-11-10 01:04:00,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:04:00,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:04:00,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:04:00,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:04:00,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:04:00,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43baf7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00, skipping insertion in model container [2018-11-10 01:04:00,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:04:00,401 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:04:00,495 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:04:00,498 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:04:00,511 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:04:00,522 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:04:00,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00 WrapperNode [2018-11-10 01:04:00,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:04:00,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:04:00,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:04:00,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:04:00,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:04:00,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:04:00,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:04:00,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:04:00,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:04:00,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:04:00,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:04:00,554 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:04:00,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:04:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:04:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:04:00,709 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:04:00,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:04:00 BoogieIcfgContainer [2018-11-10 01:04:00,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:04:00,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:04:00,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:04:00,718 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:04:00,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:04:00" (1/1) ... [2018-11-10 01:04:00,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:04:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:04:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 01:04:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 01:04:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 01:04:00,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:04:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:04:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:04:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:04:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:04:00,825 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 01:04:00,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:04:00 ImpRootNode [2018-11-10 01:04:00,837 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:04:00,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:04:00,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:04:00,837 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:04:00,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:04:00" (3/4) ... [2018-11-10 01:04:00,840 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 01:04:00,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:04:00,841 INFO L168 Benchmark]: Toolchain (without parser) took 465.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:04:00,842 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-10 01:04:00,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.33 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:00,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.98 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:04:00,843 INFO L168 Benchmark]: Boogie Preprocessor took 8.87 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:00,844 INFO L168 Benchmark]: RCFGBuilder took 155.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:00,845 INFO L168 Benchmark]: CodeCheck took 126.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:00,845 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:04:00,850 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, 8 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L6] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L6] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L9] b=a [L10] a/=2 [L11] a*=2 [L12] COND TRUE !(a==b) [L12] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.33 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 20.98 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.87 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 155.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 126.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:04:02,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:04:02,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:04:02,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:04:02,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:04:02,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:04:02,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:04:02,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:04:02,281 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:04:02,281 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:04:02,282 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:04:02,282 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:04:02,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:04:02,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:04:02,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:04:02,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:04:02,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:04:02,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:04:02,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:04:02,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:04:02,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:04:02,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:04:02,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:04:02,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:04:02,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:04:02,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:04:02,296 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:04:02,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:04:02,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:04:02,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:04:02,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:04:02,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:04:02,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:04:02,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:04:02,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:04:02,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:04:02,300 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 01:04:02,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:04:02,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:04:02,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:04:02,312 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:04:02,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:04:02,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:04:02,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 01:04:02,313 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 01:04:02,314 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:04:02,314 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:04:02,314 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:04:02,314 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:04:02,314 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:04:02,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:04:02,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:04:02,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:04:02,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:04:02,315 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:04:02,315 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:04:02,315 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 01:04:02,315 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 01:04:02,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:04:02,316 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 01:04:02,316 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 01:04:02,316 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_b5c799a4-cf58-48d3-bedb-6a866cec1781/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 -> e03384737e8763104139cfd338bec2bd1e3e90b2 [2018-11-10 01:04:02,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:04:02,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:04:02,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:04:02,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:04:02,360 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:04:02,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-11-10 01:04:02,406 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/2138d3759/0e4d4cb113cb4ad284dc4306c67b19db/FLAG1d2753f6c [2018-11-10 01:04:02,717 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:04:02,718 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/sv-benchmarks/c/floats-cbmc-regression/float5_true-unreach-call_true-termination.i [2018-11-10 01:04:02,721 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/2138d3759/0e4d4cb113cb4ad284dc4306c67b19db/FLAG1d2753f6c [2018-11-10 01:04:02,729 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/data/2138d3759/0e4d4cb113cb4ad284dc4306c67b19db [2018-11-10 01:04:02,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:04:02,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:04:02,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:04:02,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:04:02,736 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:04:02,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a23890d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02, skipping insertion in model container [2018-11-10 01:04:02,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:04:02,759 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:04:02,865 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:04:02,870 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:04:02,883 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:04:02,895 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:04:02,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02 WrapperNode [2018-11-10 01:04:02,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:04:02,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:04:02,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:04:02,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:04:02,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:04:02,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:04:02,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:04:02,923 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:04:02,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... [2018-11-10 01:04:02,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:04:02,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:04:02,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:04:02,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:04:02,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:04:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:04:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:04:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:04:05,032 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:04:05,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:04:05 BoogieIcfgContainer [2018-11-10 01:04:05,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:04:05,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:04:05,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:04:05,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:04:05,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:04:05" (1/1) ... [2018-11-10 01:04:05,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:04:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:04:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-10 01:04:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-10 01:04:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 01:04:05,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:04:05,105 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 01:04:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:04:06,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:04:16,554 WARN L179 SmtUtils]: Spent 9.62 s on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-11-10 01:04:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:04:25,797 WARN L179 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-10 01:04:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:04:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-10 01:04:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-10 01:04:28,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:04:28,384 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-10 01:04:28,392 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 01:04:34,830 WARN L179 SmtUtils]: Spent 6.43 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-10 01:04:34,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:04:34 ImpRootNode [2018-11-10 01:04:34,832 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:04:34,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:04:34,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:04:34,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:04:34,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:04:05" (3/4) ... [2018-11-10 01:04:34,835 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:04:34,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 01:04:34,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 01:04:34,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 01:04:34,868 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5c799a4-cf58-48d3-bedb-6a866cec1781/bin-2019/ukojak/witness.graphml [2018-11-10 01:04:34,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:04:34,869 INFO L168 Benchmark]: Toolchain (without parser) took 32137.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:34,869 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:04:34,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.13 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:34,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.35 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:04:34,870 INFO L168 Benchmark]: Boogie Preprocessor took 15.16 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:34,871 INFO L168 Benchmark]: RCFGBuilder took 2094.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:34,871 INFO L168 Benchmark]: CodeCheck took 29799.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-10 01:04:34,871 INFO L168 Benchmark]: Witness Printer took 36.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:04:34,873 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, 8 locations, 1 error locations. SAFE Result, 23.3s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 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 - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 163.13 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 26.35 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.16 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2094.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 29799.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Witness Printer took 36.39 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 proved your program to be correct! Received shutdown request...