./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.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_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ...................................................................................................................................................................................................................... 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_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/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 c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad ............................................................................................................................................................................................................... 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 [2018-11-10 09:56:58,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:56:58,300 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:56:58,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:56:58,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:56:58,308 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:56:58,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:56:58,310 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:56:58,310 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:56:58,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:56:58,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:56:58,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:56:58,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:56:58,313 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:56:58,313 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:56:58,314 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:56:58,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:56:58,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:56:58,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:56:58,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:56:58,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:56:58,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:56:58,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:56:58,321 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:56:58,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:56:58,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:56:58,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:56:58,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:56:58,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:56:58,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:56:58,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:56:58,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:56:58,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:56:58,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:56:58,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:56:58,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:56:58,326 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 09:56:58,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:56:58,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:56:58,334 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:56:58,334 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:56:58,335 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:56:58,335 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:56:58,335 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:56:58,335 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:56:58,335 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:56:58,335 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:56:58,336 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:56:58,336 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:56:58,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:56:58,337 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:56:58,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:56:58,337 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:56:58,337 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:56:58,337 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:56:58,337 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:56:58,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:56:58,338 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:56:58,338 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_938f6da1-557e-44f1-bbc4-eb6525a07635/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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2018-11-10 09:56:58,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:56:58,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:56:58,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:56:58,376 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:56:58,376 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:56:58,377 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 09:56:58,426 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/9da1b9d37/80855bd6ed674328a0fd6ff65d59ef4c/FLAG54d7570fb [2018-11-10 09:56:58,832 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:56:58,832 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 09:56:58,836 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/9da1b9d37/80855bd6ed674328a0fd6ff65d59ef4c/FLAG54d7570fb [2018-11-10 09:56:58,846 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/9da1b9d37/80855bd6ed674328a0fd6ff65d59ef4c [2018-11-10 09:56:58,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:56:58,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:56:58,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:56:58,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:56:58,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:56:58,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:56:58" (1/1) ... [2018-11-10 09:56:58,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4897ecb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:58, skipping insertion in model container [2018-11-10 09:56:58,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:56:58" (1/1) ... [2018-11-10 09:56:58,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:56:58,875 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:56:58,985 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:56:58,988 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:56:58,998 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:56:59,006 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:56:59,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59 WrapperNode [2018-11-10 09:56:59,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:56:59,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:56:59,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:56:59,007 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:56:59,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:56:59,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:56:59,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:56:59,025 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:56:59,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:56:59,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:56:59,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:56:59,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:56:59,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:56:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/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 09:56:59,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:56:59,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:56:59,183 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:56:59,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:56:59 BoogieIcfgContainer [2018-11-10 09:56:59,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:56:59,183 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:56:59,183 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:56:59,190 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:56:59,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:56:59" (1/1) ... [2018-11-10 09:56:59,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:56:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:56:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-10 09:56:59,231 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-10 09:56:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 09:56:59,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:56:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:56:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:56:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:56:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:56:59,305 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 09:56:59,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:56:59 ImpRootNode [2018-11-10 09:56:59,320 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:56:59,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:56:59,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:56:59,321 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:56:59,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:56:59" (3/4) ... [2018-11-10 09:56:59,324 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 09:56:59,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:56:59,324 INFO L168 Benchmark]: Toolchain (without parser) took 476.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:56:59,326 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:56:59,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.58 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:59,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:56:59,327 INFO L168 Benchmark]: Boogie Preprocessor took 8.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:59,327 INFO L168 Benchmark]: RCFGBuilder took 148.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:59,328 INFO L168 Benchmark]: CodeCheck took 137.15 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:56:59,329 INFO L168 Benchmark]: Witness Printer took 3.17 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 09:56:59,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 25]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L1] int __return_main; [L7] float main__x = 1.0; [L8] float main__x1 = main__x / 1.600000023841858; VAL [__return_main=0] [L10] COND FALSE !(main__x1 != main__x) [L19] int __tmp_1; [L20] __tmp_1 = main__x == 0 [L21] int __VERIFIER_assert__cond; [L22] __VERIFIER_assert__cond = __tmp_1 VAL [__return_main=0] [L23] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L25] __VERIFIER_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.58 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 8.69 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 137.15 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.17 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 09:57:00,772 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:57:00,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:57:00,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:57:00,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:57:00,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:57:00,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:57:00,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:57:00,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:57:00,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:57:00,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:57:00,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:57:00,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:57:00,789 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:57:00,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:57:00,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:57:00,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:57:00,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:57:00,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:57:00,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:57:00,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:57:00,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:57:00,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:57:00,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:57:00,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:57:00,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:57:00,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:57:00,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:57:00,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:57:00,802 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:57:00,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:57:00,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:57:00,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:57:00,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:57:00,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:57:00,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:57:00,804 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 09:57:00,814 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:57:00,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:57:00,815 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:57:00,816 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:57:00,816 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:57:00,816 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:57:00,816 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 09:57:00,817 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 09:57:00,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:57:00,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:57:00,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:57:00,818 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:57:00,818 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:57:00,818 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:57:00,818 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:57:00,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:57:00,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:57:00,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:57:00,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:57:00,819 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 09:57:00,819 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 09:57:00,819 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:57:00,820 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 09:57:00,820 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 09:57:00,820 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_938f6da1-557e-44f1-bbc4-eb6525a07635/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 -> c3b46b0a01de4b9e0cf3e5cf7ccb067d9e1dbfad [2018-11-10 09:57:00,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:57:00,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:57:00,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:57:00,865 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:57:00,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:57:00,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 09:57:00,912 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/a83ce13ea/20873aa2e6a8434e9dba269f473896ee/FLAGab20a455d [2018-11-10 09:57:01,225 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:57:01,225 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i.p+cfa-reducer.c [2018-11-10 09:57:01,229 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/a83ce13ea/20873aa2e6a8434e9dba269f473896ee/FLAGab20a455d [2018-11-10 09:57:01,237 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/bin-2019/ukojak/data/a83ce13ea/20873aa2e6a8434e9dba269f473896ee [2018-11-10 09:57:01,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:57:01,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:57:01,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:57:01,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:57:01,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:57:01,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ff5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01, skipping insertion in model container [2018-11-10 09:57:01,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:57:01,266 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:57:01,369 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:57:01,374 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:57:01,387 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:57:01,397 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:57:01,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01 WrapperNode [2018-11-10 09:57:01,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:57:01,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:57:01,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:57:01,399 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:57:01,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:57:01,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:57:01,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:57:01,418 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:57:01,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... [2018-11-10 09:57:01,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:57:01,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:57:01,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:57:01,431 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:57:01,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:57:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_938f6da1-557e-44f1-bbc4-eb6525a07635/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 09:57:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:57:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:57:05,066 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:57:05,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:57:05 BoogieIcfgContainer [2018-11-10 09:57:05,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:57:05,067 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:57:05,067 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:57:05,077 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:57:05,077 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:57:05" (1/1) ... [2018-11-10 09:57:05,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:57:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:57:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-10 09:57:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-10 09:57:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 09:57:05,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:57:05,142 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:57:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:57:08,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:57:18,297 WARN L854 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_main_~main__x1~0 ((_ to_fp 8 24) RNE (fp.div RNE ((_ to_fp 11 53) RNE c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) RNE (/ 800000011920929.0 500000000000000.0))))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) c_ULTIMATE.start_main_~main__x~0)) is different from true [2018-11-10 09:57:18,305 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 09:57:37,561 WARN L179 SmtUtils]: Spent 14.29 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-10 09:57:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:57:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-11-10 09:57:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-11-10 09:57:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 09:57:48,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:57:48,575 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:57:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:57:50,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:57:50,696 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 09:57:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:57:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-11-10 09:57:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-11-10 09:57:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 09:57:50,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:57:50,702 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 09:58:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 09:58:00,913 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) [2018-11-10 09:58:00,915 INFO L168 Benchmark]: Toolchain (without parser) took 59676.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:58:00,917 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 09:58:00,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.03 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 09:58:00,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.75 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 09:58:00,919 INFO L168 Benchmark]: Boogie Preprocessor took 12.62 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 09:58:00,919 INFO L168 Benchmark]: RCFGBuilder took 3635.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:58:00,920 INFO L168 Benchmark]: CodeCheck took 55848.22 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:58:00,923 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 0.16 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 158.03 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 19.75 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 12.62 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 3635.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 55848.22 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...