./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.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_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/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 1d363a30f559764c47bcb73d637f2d7196a1b97b ....................................................................................................................................................................................................................... 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_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/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 1d363a30f559764c47bcb73d637f2d7196a1b97b .............................................................................................................................................................................................................. 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 04:25:50,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:25:50,337 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:25:50,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:25:50,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:25:50,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:25:50,347 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:25:50,348 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:25:50,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:25:50,350 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:25:50,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:25:50,351 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:25:50,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:25:50,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:25:50,353 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:25:50,353 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:25:50,354 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:25:50,355 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:25:50,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:25:50,357 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:25:50,358 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:25:50,358 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:25:50,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:25:50,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:25:50,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:25:50,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:25:50,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:25:50,362 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:25:50,362 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:25:50,363 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:25:50,363 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:25:50,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:25:50,364 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:25:50,364 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:25:50,365 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:25:50,365 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:25:50,365 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:25:50,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:25:50,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:25:50,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:25:50,375 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:25:50,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:25:50,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:25:50,376 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:25:50,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:25:50,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:25:50,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:25:50,378 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:25:50,378 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:25:50,378 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:25:50,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:25:50,378 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:25:50,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:25:50,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:25:50,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:25:50,379 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:25:50,379 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:25:50,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:25:50,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:25:50,379 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_210c3c04-4ccf-4a1b-8840-9cc09e78011f/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 -> 1d363a30f559764c47bcb73d637f2d7196a1b97b [2018-11-10 04:25:50,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:25:50,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:25:50,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:25:50,413 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:25:50,414 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:25:50,414 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-10 04:25:50,448 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/66df38e00/b1358b6edfaa46979206339f48deda0c/FLAG93d4d5fc0 [2018-11-10 04:25:50,842 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:25:50,843 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-10 04:25:50,846 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/66df38e00/b1358b6edfaa46979206339f48deda0c/FLAG93d4d5fc0 [2018-11-10 04:25:50,855 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/66df38e00/b1358b6edfaa46979206339f48deda0c [2018-11-10 04:25:50,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:25:50,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:25:50,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:25:50,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:25:50,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:25:50,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:50,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba002d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50, skipping insertion in model container [2018-11-10 04:25:50,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:50,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:25:50,879 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:25:50,969 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:25:50,971 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:25:50,979 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:25:50,987 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:25:50,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50 WrapperNode [2018-11-10 04:25:50,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:25:50,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:25:50,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:25:50,988 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:25:50,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:25:51,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:25:51,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:25:51,013 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:25:51,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... [2018-11-10 04:25:51,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:25:51,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:25:51,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:25:51,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:25:51,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/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 04:25:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:25:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:25:51,228 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:25:51,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:25:51 BoogieIcfgContainer [2018-11-10 04:25:51,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:25:51,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:25:51,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:25:51,236 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:25:51,236 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:25:51" (1/1) ... [2018-11-10 04:25:51,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:25:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:25:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 04:25:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 04:25:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:25:51,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:25:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:25:51,329 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 04:25:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:25:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 04:25:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 04:25:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:25:51,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:25:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:25:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:25:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:25:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:25:51,365 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 04:25:51,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:25:51 ImpRootNode [2018-11-10 04:25:51,376 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:25:51,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:25:51,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:25:51,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:25:51,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:25:51" (3/4) ... [2018-11-10 04:25:51,379 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:25:51,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:25:51,380 INFO L168 Benchmark]: Toolchain (without parser) took 522.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:25:51,381 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:25:51,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.58 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:25:51,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.16 ms. Allocated memory is still 1.0 GB. Free memory is still 945.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:25:51,382 INFO L168 Benchmark]: Boogie Preprocessor took 14.74 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:25:51,383 INFO L168 Benchmark]: RCFGBuilder took 200.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:25:51,383 INFO L168 Benchmark]: CodeCheck took 147.72 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:25:51,384 INFO L168 Benchmark]: Witness Printer took 2.74 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 04:25:51,386 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, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L9] double x = 1.0; [L10] double x1 = x/1.6; [L12] COND FALSE !(x1 != x) [L18] CALL __VERIFIER_assert(x == 0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.58 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 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 25.16 ms. Allocated memory is still 1.0 GB. Free memory is still 945.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.74 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 200.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * CodeCheck took 147.72 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.74 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 04:25:52,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:25:52,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:25:52,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:25:52,777 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:25:52,778 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:25:52,778 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:25:52,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:25:52,781 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:25:52,781 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:25:52,782 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:25:52,782 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:25:52,783 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:25:52,783 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:25:52,784 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:25:52,785 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:25:52,785 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:25:52,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:25:52,788 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:25:52,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:25:52,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:25:52,791 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:25:52,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:25:52,793 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:25:52,793 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:25:52,794 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:25:52,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:25:52,795 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:25:52,795 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:25:52,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:25:52,796 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:25:52,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:25:52,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:25:52,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:25:52,798 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:25:52,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:25:52,799 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 04:25:52,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:25:52,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:25:52,810 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:25:52,810 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:25:52,811 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:25:52,811 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:25:52,811 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:25:52,811 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:25:52,811 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:25:52,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:25:52,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:25:52,813 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:25:52,813 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:25:52,813 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:25:52,813 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:25:52,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:25:52,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:25:52,814 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:25:52,814 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_210c3c04-4ccf-4a1b-8840-9cc09e78011f/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 -> 1d363a30f559764c47bcb73d637f2d7196a1b97b [2018-11-10 04:25:52,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:25:52,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:25:52,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:25:52,854 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:25:52,854 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:25:52,855 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-10 04:25:52,891 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/3b3b9f12e/e7cd8b7fcc9740c99449cf69e5b7b864/FLAG9d2e6278d [2018-11-10 04:25:53,280 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:25:53,280 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-10 04:25:53,284 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/3b3b9f12e/e7cd8b7fcc9740c99449cf69e5b7b864/FLAG9d2e6278d [2018-11-10 04:25:53,292 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/bin-2019/ukojak/data/3b3b9f12e/e7cd8b7fcc9740c99449cf69e5b7b864 [2018-11-10 04:25:53,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:25:53,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:25:53,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:25:53,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:25:53,299 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:25:53,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1e68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53, skipping insertion in model container [2018-11-10 04:25:53,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:25:53,321 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:25:53,426 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:25:53,432 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:25:53,443 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:25:53,452 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:25:53,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53 WrapperNode [2018-11-10 04:25:53,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:25:53,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:25:53,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:25:53,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:25:53,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:25:53,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:25:53,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:25:53,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:25:53,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... [2018-11-10 04:25:53,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:25:53,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:25:53,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:25:53,488 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:25:53,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:25:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_210c3c04-4ccf-4a1b-8840-9cc09e78011f/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 04:25:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:25:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:25:54,457 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:25:54,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:25:54 BoogieIcfgContainer [2018-11-10 04:25:54,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:25:54,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:25:54,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:25:54,465 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:25:54,465 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:25:54" (1/1) ... [2018-11-10 04:25:54,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:25:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:25:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 04:25:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 04:25:54,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:25:54,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:25:54,529 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:25:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:25:54,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:25:54,553 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 04:25:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:25:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 04:25:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 04:25:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:25:54,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:25:54,561 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:25:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:25:55,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:26:01,751 WARN L179 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 04:26:01,757 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 04:26:10,159 WARN L179 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 04:26:34,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:26:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 04:26:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 04:26:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:26:34,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:26:34,204 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 04:26:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-10 04:26:45,652 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 04:26:45,654 INFO L168 Benchmark]: Toolchain (without parser) took 52359.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:26:45,656 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:26:45,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.07 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:26:45,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.78 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:26:45,658 INFO L168 Benchmark]: Boogie Preprocessor took 14.03 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:26:45,658 INFO L168 Benchmark]: RCFGBuilder took 970.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:26:45,659 INFO L168 Benchmark]: CodeCheck took 51195.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:26:45,662 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.07 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.78 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.03 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 970.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -221.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 51195.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...