./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/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 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 ................................................................................................................................................................................................................................................................................................................................. 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_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/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 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 .............................................................................................................................................................................................................. 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-aa41828 [2018-11-23 05:20:45,700 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:20:45,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:20:45,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:20:45,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:20:45,709 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:20:45,710 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:20:45,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:20:45,712 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:20:45,713 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:20:45,713 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:20:45,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:20:45,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:20:45,715 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:20:45,716 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:20:45,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:20:45,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:20:45,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:20:45,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:20:45,721 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:20:45,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:20:45,722 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:20:45,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:20:45,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:20:45,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:20:45,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:20:45,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:20:45,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:20:45,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:20:45,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:20:45,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:20:45,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:20:45,728 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:20:45,729 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:20:45,729 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:20:45,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:20:45,730 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:20:45,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:20:45,737 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:20:45,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:20:45,738 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:20:45,738 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:20:45,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:20:45,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:20:45,740 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:20:45,740 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:20:45,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:20:45,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:20:45,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:20:45,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:20:45,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:20:45,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:20:45,740 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:20:45,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:20:45,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:20:45,741 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_2cfe03b7-d877-45e3-84ad-d388be5b464a/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 -> 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 [2018-11-23 05:20:45,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:20:45,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:20:45,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:20:45,777 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:20:45,777 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:20:45,778 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-23 05:20:45,815 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/bce9a3112/db9858132050465ebae9f88085272ae7/FLAG21a1238e4 [2018-11-23 05:20:46,128 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:20:46,128 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-23 05:20:46,132 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/bce9a3112/db9858132050465ebae9f88085272ae7/FLAG21a1238e4 [2018-11-23 05:20:46,142 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/bce9a3112/db9858132050465ebae9f88085272ae7 [2018-11-23 05:20:46,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:20:46,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:20:46,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:20:46,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:20:46,150 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:20:46,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d77855b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46, skipping insertion in model container [2018-11-23 05:20:46,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:20:46,177 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:20:46,295 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:20:46,298 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:20:46,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:20:46,318 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:20:46,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46 WrapperNode [2018-11-23 05:20:46,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:20:46,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:20:46,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:20:46,318 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:20:46,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:20:46,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:20:46,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:20:46,337 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:20:46,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:20:46,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:20:46,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:20:46,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:20:46,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/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 [2018-11-23 05:20:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:20:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:20:46,533 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:20:46,533 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 05:20:46,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:20:46 BoogieIcfgContainer [2018-11-23 05:20:46,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:20:46,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:20:46,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:20:46,547 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:20:46,547 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:20:46" (1/1) ... [2018-11-23 05:20:46,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:20:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:20:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 05:20:46,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 05:20:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 05:20:46,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:20:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:20:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:20:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:20:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 05:20:46,664 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~post0, main_~x~0, main_~res~0, main_~i~0;main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0);main_~res~0 := 0;main_~i~0 := 1; VAL [ULTIMATE.start_main_~i~0=1, ULTIMATE.start_main_~res~0=0] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !~someBinaryLONGDOUBLEComparisonOperation(main_~x~0, ~convertINTToLONGDOUBLE(0));}EndParallelComposition__VERIFIER_assert_#in~cond := (if main_~res~0 > 67050 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~i~0=1, ULTIMATE.start_main_~res~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~i~0=1, ULTIMATE.start_main_~res~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~i~0=1, ULTIMATE.start_main_~res~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_#t~post0, main_~x~0, main_~res~0, main_~i~0; [L6] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0); [L7] main_~res~0 := 0; [L9] main_~i~0 := 1; VAL [main_~i~0=1, main_~res~0=0] [L10-L15] assume !~someBinaryLONGDOUBLEComparisonOperation(main_~x~0, ~convertINTToLONGDOUBLE(0)); [L17] __VERIFIER_assert_#in~cond := (if main_~res~0 > 67050 then 1 else 0); [L17] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~post0, main_~x~0, main_~res~0, main_~i~0; [L6] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0); [L7] main_~res~0 := 0; [L9] main_~i~0 := 1; VAL [main_~i~0=1, main_~res~0=0] [L10-L15] assume !~someBinaryLONGDOUBLEComparisonOperation(main_~x~0, ~convertINTToLONGDOUBLE(0)); [L17] __VERIFIER_assert_#in~cond := (if main_~res~0 > 67050 then 1 else 0); [L17] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [?] havoc main_#res; [?] havoc main_#t~post0, main_~x~0, main_~res~0, main_~i~0; [L6] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0); [L7] main_~res~0 := 0; [L9] main_~i~0 := 1; VAL [main_~i~0=1, main_~res~0=0] [L10-L15] COND TRUE !~someBinaryLONGDOUBLEComparisonOperation(main_~x~0, ~convertINTToLONGDOUBLE(0)) [L17] __VERIFIER_assert_#in~cond := (if main_~res~0 > 67050 then 1 else 0); [L17] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~post0, main_~x~0, main_~res~0, main_~i~0; [L6] main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0); [L7] main_~res~0 := 0; [L9] main_~i~0 := 1; VAL [main_~i~0=1, main_~res~0=0] [L10-L15] COND TRUE !~someBinaryLONGDOUBLEComparisonOperation(main_~x~0, ~convertINTToLONGDOUBLE(0)) [L17] __VERIFIER_assert_#in~cond := (if main_~res~0 > 67050 then 1 else 0); [L17] havoc __VERIFIER_assert_~cond; [L2] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L2] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~i~0=1, main_~res~0=0] [L6] ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0); [L7] ~res~0 := 0; [L9] ~i~0 := 1; [L10-L15] COND TRUE !~someBinaryLONGDOUBLEComparisonOperation(~x~0, ~convertINTToLONGDOUBLE(0)) [L2] ~cond := #in~cond; [L2] COND TRUE 0 == ~cond [L2] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 7.0); [L7] ~res~0 := 0; [L9] ~i~0 := 1; [L10-L15] COND TRUE !~someBinaryLONGDOUBLEComparisonOperation(~x~0, ~convertINTToLONGDOUBLE(0)) [L2] ~cond := #in~cond; [L2] COND TRUE 0 == ~cond [L2] assert false; [L6] long double x = 1.0/7.0; [L7] long long res = 0; [L9] int i = 1; [L10] COND FALSE !(x != 0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() ----- [2018-11-23 05:20:46,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:20:46 ImpRootNode [2018-11-23 05:20:46,685 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:20:46,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:20:46,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:20:46,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:20:46,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:20:46" (3/4) ... [2018-11-23 05:20:46,689 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 05:20:46,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:20:46,690 INFO L168 Benchmark]: Toolchain (without parser) took 544.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:20:46,691 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:20:46,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.16 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:46,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.03 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:46,692 INFO L168 Benchmark]: Boogie Preprocessor took 45.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:46,693 INFO L168 Benchmark]: RCFGBuilder took 150.87 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:46,694 INFO L168 Benchmark]: CodeCheck took 151.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:20:46,694 INFO L168 Benchmark]: Witness Printer took 3.78 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. [2018-11-23 05:20:46,698 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, 10 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryLONGDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 6. Possible FailurePath: [L6] long double x = 1.0/7.0; [L7] long long res = 0; [L9] int i = 1; [L10] COND FALSE !(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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.16 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 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 18.03 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.87 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * CodeCheck took 151.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.78 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-aa41828 [2018-11-23 05:20:48,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:20:48,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:20:48,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:20:48,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:20:48,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:20:48,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:20:48,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:20:48,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:20:48,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:20:48,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:20:48,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:20:48,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:20:48,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:20:48,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:20:48,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:20:48,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:20:48,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:20:48,079 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:20:48,080 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:20:48,081 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:20:48,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:20:48,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:20:48,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:20:48,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:20:48,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:20:48,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:20:48,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:20:48,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:20:48,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:20:48,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:20:48,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:20:48,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:20:48,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:20:48,088 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:20:48,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:20:48,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 05:20:48,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:20:48,099 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:20:48,100 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:20:48,100 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:20:48,101 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:20:48,101 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:20:48,101 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:20:48,101 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:20:48,101 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:20:48,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:20:48,102 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:20:48,103 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:20:48,103 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:20:48,103 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:20:48,103 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:20:48,103 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:20:48,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:20:48,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 05:20:48,104 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 05:20:48,104 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_2cfe03b7-d877-45e3-84ad-d388be5b464a/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 -> 04e5ed128f21f4059f5fa213c221dce86f0eb7e5 [2018-11-23 05:20:48,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:20:48,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:20:48,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:20:48,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:20:48,142 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:20:48,143 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-23 05:20:48,177 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/05230b73f/d4a72eb0faa14e6d8683bc3e25d12ab3/FLAG0109dc4ba [2018-11-23 05:20:48,485 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:20:48,486 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-23 05:20:48,489 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/05230b73f/d4a72eb0faa14e6d8683bc3e25d12ab3/FLAG0109dc4ba [2018-11-23 05:20:48,497 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/bin-2019/ukojak/data/05230b73f/d4a72eb0faa14e6d8683bc3e25d12ab3 [2018-11-23 05:20:48,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:20:48,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:20:48,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:20:48,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:20:48,504 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:20:48,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f92bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48, skipping insertion in model container [2018-11-23 05:20:48,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:20:48,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:20:48,645 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:20:48,649 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:20:48,661 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:20:48,673 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:20:48,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48 WrapperNode [2018-11-23 05:20:48,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:20:48,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:20:48,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:20:48,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:20:48,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:20:48,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:20:48,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:20:48,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:20:48,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... [2018-11-23 05:20:48,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:20:48,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:20:48,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:20:48,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:20:48,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cfe03b7-d877-45e3-84ad-d388be5b464a/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 [2018-11-23 05:20:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:20:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:20:50,484 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:20:50,484 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 05:20:50,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:20:50 BoogieIcfgContainer [2018-11-23 05:20:50,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:20:50,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:20:50,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:20:50,494 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:20:50,494 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:20:50" (1/1) ... [2018-11-23 05:20:50,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:20:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:20:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 05:20:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 05:20:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 05:20:50,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:20:50,566 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:20:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:50,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:20:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:20:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:20:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-23 05:20:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-23 05:20:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 05:20:57,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:20:57,792 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:20:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:20:59,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:20:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:22,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:22,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 05:21:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 05:21:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 05:21:22,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:22,523 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 05:21:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-23 05:21:32,796 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) [2018-11-23 05:21:32,798 INFO L168 Benchmark]: Toolchain (without parser) took 44298.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:21:32,799 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-23 05:21:32,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.82 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:21:32,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.55 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:21:32,801 INFO L168 Benchmark]: Boogie Preprocessor took 17.58 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:21:32,802 INFO L168 Benchmark]: RCFGBuilder took 1773.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:21:32,802 INFO L168 Benchmark]: CodeCheck took 42312.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:21:32,804 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 0.13 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 172.82 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.55 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.58 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1773.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * CodeCheck took 42312.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...