./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/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_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/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_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/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_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/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 0.1.23-5842f4b [2018-11-18 17:52:01,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:52:01,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:52:01,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:52:01,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:52:01,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:52:01,917 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:52:01,918 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:52:01,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:52:01,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:52:01,923 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:52:01,924 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:52:01,924 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:52:01,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:52:01,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:52:01,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:52:01,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:52:01,936 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:52:01,937 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:52:01,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:52:01,950 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:52:01,950 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:52:01,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:52:01,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:52:01,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:52:01,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:52:01,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:52:01,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:52:01,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:52:01,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:52:01,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:52:01,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:52:01,967 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:52:01,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:52:01,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:52:01,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:52:01,968 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:52:01,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:52:01,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:52:02,008 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:52:02,008 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:52:02,009 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:52:02,009 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:52:02,009 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:52:02,009 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:52:02,009 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:52:02,009 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:52:02,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:52:02,010 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:52:02,010 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:52:02,011 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:52:02,011 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:52:02,011 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:52:02,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:52:02,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:52:02,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:52:02,019 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:52:02,020 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:52:02,020 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:52:02,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:52:02,020 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_6d5dbcdb-8083-4658-b800-bf4866a083c2/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 [2018-11-18 17:52:02,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:52:02,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:52:02,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:52:02,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:52:02,091 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:52:02,092 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-18 17:52:02,161 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/2070e26dd/7a80ab0d257d4a318056b182e42a9bae/FLAGe051ef635 [2018-11-18 17:52:02,629 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:52:02,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-18 17:52:02,635 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/2070e26dd/7a80ab0d257d4a318056b182e42a9bae/FLAGe051ef635 [2018-11-18 17:52:02,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/2070e26dd/7a80ab0d257d4a318056b182e42a9bae [2018-11-18 17:52:02,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:52:02,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:52:02,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:02,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:52:02,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:52:02,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:03,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff0c244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02, skipping insertion in model container [2018-11-18 17:52:03,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:03,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:52:03,027 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:52:03,171 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:03,175 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:52:03,187 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:03,198 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:52:03,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03 WrapperNode [2018-11-18 17:52:03,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:03,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:03,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:52:03,200 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:52:03,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:03,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:52:03,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:52:03,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:52:03,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:52:03,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:52:03,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:52:03,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:52:03,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/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 [2018-11-18 17:52:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:52:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:52:03,642 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:52:03,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:03 BoogieIcfgContainer [2018-11-18 17:52:03,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:52:03,643 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:52:03,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:52:03,654 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:52:03,654 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:03" (1/1) ... [2018-11-18 17:52:03,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 17:52:03,698 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 17:52:03,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 17:52:03,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 17:52:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 17:52:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:52:03,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:52:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:52:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:52:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:52:03,880 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 17:52:03,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:52:03 ImpRootNode [2018-11-18 17:52:03,917 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:52:03,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:52:03,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:52:03,918 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:52:03,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:03" (3/4) ... [2018-11-18 17:52:03,922 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:52:03,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:52:03,925 INFO L168 Benchmark]: Toolchain (without parser) took 932.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 959.6 MB in the beginning and 1.1 GB in the end (delta: -101.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:03,927 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:03,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:03,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.26 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:03,928 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:03,929 INFO L168 Benchmark]: RCFGBuilder took 396.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:03,930 INFO L168 Benchmark]: CodeCheck took 274.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:03,930 INFO L168 Benchmark]: Witness Printer took 7.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:03,938 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, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.26 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.68 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 396.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 274.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 7.08 ms. Allocated memory is still 1.1 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 0.1.23-5842f4b [2018-11-18 17:52:05,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:52:05,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:52:05,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:52:05,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:52:05,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:52:05,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:52:05,774 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:52:05,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:52:05,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:52:05,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:52:05,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:52:05,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:52:05,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:52:05,780 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:52:05,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:52:05,781 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:52:05,782 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:52:05,783 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:52:05,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:52:05,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:52:05,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:52:05,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:52:05,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:52:05,789 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:52:05,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:52:05,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:52:05,792 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:52:05,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:52:05,793 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:52:05,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:52:05,794 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:52:05,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:52:05,794 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:52:05,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:52:05,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:52:05,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 17:52:05,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:52:05,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:52:05,810 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:52:05,810 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:52:05,810 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:52:05,810 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:52:05,811 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:52:05,811 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:52:05,811 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:52:05,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:52:05,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:52:05,812 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:52:05,812 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:52:05,813 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:52:05,813 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:52:05,813 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:52:05,813 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:52:05,813 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:52:05,813 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:52:05,814 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:52:05,814 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:52:05,814 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:52:05,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:52:05,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:52:05,814 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:52:05,814 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:52:05,815 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:52:05,815 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 17:52:05,815 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:52:05,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:52:05,817 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:52:05,817 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:52:05,817 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_6d5dbcdb-8083-4658-b800-bf4866a083c2/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 [2018-11-18 17:52:05,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:52:05,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:52:05,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:52:05,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:52:05,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:52:05,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-18 17:52:05,912 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/63a8913fc/299cc5d9cb5a48e595be5e690afb384f/FLAGb7173ab76 [2018-11-18 17:52:06,276 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:52:06,277 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad_false-unreach-call.i [2018-11-18 17:52:06,282 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/63a8913fc/299cc5d9cb5a48e595be5e690afb384f/FLAGb7173ab76 [2018-11-18 17:52:06,291 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/bin-2019/ukojak/data/63a8913fc/299cc5d9cb5a48e595be5e690afb384f [2018-11-18 17:52:06,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:52:06,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:52:06,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:06,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:52:06,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:52:06,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e027725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06, skipping insertion in model container [2018-11-18 17:52:06,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:52:06,321 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:52:06,453 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:06,459 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:52:06,471 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:06,484 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:52:06,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06 WrapperNode [2018-11-18 17:52:06,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:06,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:06,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:52:06,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:52:06,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:06,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:52:06,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:52:06,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:52:06,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... [2018-11-18 17:52:06,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:52:06,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:52:06,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:52:06,537 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:52:06,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d5dbcdb-8083-4658-b800-bf4866a083c2/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 [2018-11-18 17:52:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:52:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:52:07,933 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:52:07,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:07 BoogieIcfgContainer [2018-11-18 17:52:07,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:52:07,934 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:52:07,934 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:52:07,944 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:52:07,945 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:07" (1/1) ... [2018-11-18 17:52:07,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:07,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 17:52:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 17:52:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 17:52:07,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:08,050 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 17:52:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:08,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:08,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 17:52:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 17:52:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 17:52:08,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:08,094 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 17:52:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:09,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:11,080 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 17:52:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:14,474 WARN L180 SmtUtils]: Spent 3.38 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 17:52:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:52:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 17:52:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 17:52:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:52:50,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:52:50,509 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 17:53:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:53:01,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:53:04,779 WARN L180 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 17:53:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:53:15,227 WARN L180 SmtUtils]: Spent 3.51 s on a formula simplification that was a NOOP. DAG size: 13 [2018-11-18 17:53:38,415 WARN L180 SmtUtils]: Spent 14.67 s on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 17:53:53,945 WARN L832 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 8.0 5.0)))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (.cse2 (= (fp.div roundNearestTiesToEven c_ULTIMATE.start_main_~x~0 .cse1) c_ULTIMATE.start_main_~x1~0))) (and (not (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) c_ULTIMATE.start_main_~x~0) .cse2)) (not (and (= .cse0 c_ULTIMATE.start_main_~x~0) .cse2)))))) is different from false [2018-11-18 17:54:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:54:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-11-18 17:54:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-11-18 17:54:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 17:54:13,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:54:13,214 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-18 17:54:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 17:54:24,749 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:505) 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) [2018-11-18 17:54:24,752 INFO L168 Benchmark]: Toolchain (without parser) took 138458.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:24,753 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:54:24,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.82 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:24,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.58 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:24,755 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:54:24,755 INFO L168 Benchmark]: RCFGBuilder took 1396.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:24,756 INFO L168 Benchmark]: CodeCheck took 136817.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:54:24,759 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:505) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.82 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 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 28.58 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1396.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 136817.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...