./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/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_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/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_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/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_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/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 0.1.23-5842f4b [2018-11-18 13:15:05,570 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:15:05,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:15:05,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:15:05,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:15:05,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:15:05,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:15:05,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:15:05,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:15:05,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:15:05,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:15:05,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:15:05,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:15:05,583 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:15:05,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:15:05,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:15:05,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:15:05,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:15:05,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:15:05,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:15:05,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:15:05,590 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:15:05,592 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:15:05,592 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:15:05,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:15:05,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:15:05,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:15:05,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:15:05,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:15:05,595 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:15:05,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:15:05,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:15:05,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:15:05,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:15:05,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:15:05,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:15:05,598 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:15:05,607 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:15:05,607 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:15:05,608 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:15:05,608 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:15:05,609 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:15:05,609 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:15:05,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:15:05,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:15:05,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:15:05,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:15:05,611 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:15:05,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:15:05,611 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:15:05,611 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:15:05,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:15:05,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:15:05,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:15:05,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:15:05,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:15:05,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:15:05,612 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:15:05,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:15:05,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:15:05,613 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_86a20db0-a545-4eba-b2f5-00bdeaea235a/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 [2018-11-18 13:15:05,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:15:05,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:15:05,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:15:05,649 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:15:05,650 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:15:05,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-18 13:15:05,695 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/5d957a171/8eb4b7bf77b341b29c7351a234e566cd/FLAGd903c383f [2018-11-18 13:15:06,091 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:15:06,092 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-18 13:15:06,095 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/5d957a171/8eb4b7bf77b341b29c7351a234e566cd/FLAGd903c383f [2018-11-18 13:15:06,104 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/5d957a171/8eb4b7bf77b341b29c7351a234e566cd [2018-11-18 13:15:06,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:15:06,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:15:06,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:15:06,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:15:06,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:15:06,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdb41a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06, skipping insertion in model container [2018-11-18 13:15:06,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:15:06,130 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:15:06,239 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:15:06,241 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:15:06,251 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:15:06,260 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:15:06,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06 WrapperNode [2018-11-18 13:15:06,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:15:06,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:15:06,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:15:06,261 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:15:06,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:15:06,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:15:06,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:15:06,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:15:06,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:15:06,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:15:06,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:15:06,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:15:06,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/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 13:15:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:15:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:15:06,468 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:15:06,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:15:06 BoogieIcfgContainer [2018-11-18 13:15:06,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:15:06,469 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:15:06,469 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:15:06,483 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:15:06,483 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:15:06" (1/1) ... [2018-11-18 13:15:06,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:15:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 13:15:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 13:15:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 13:15:06,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:06,572 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 13:15:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 13:15:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 13:15:06,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:15:06,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:15:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:15:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:15:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:15:06,618 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 13:15:06,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:15:06 ImpRootNode [2018-11-18 13:15:06,634 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:15:06,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:15:06,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:15:06,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:15:06,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:15:06" (3/4) ... [2018-11-18 13:15:06,639 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:15:06,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:15:06,639 INFO L168 Benchmark]: Toolchain (without parser) took 533.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:15:06,641 INFO L168 Benchmark]: CDTParser took 0.15 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 13:15:06,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:06,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:06,643 INFO L168 Benchmark]: Boogie Preprocessor took 47.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:06,644 INFO L168 Benchmark]: RCFGBuilder took 140.28 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:06,645 INFO L168 Benchmark]: CodeCheck took 165.92 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:06,645 INFO L168 Benchmark]: Witness Printer took 4.03 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. [2018-11-18 13:15:06,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 2]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of 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) [L17] CALL __VERIFIER_assert(res > 67050) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 153.79 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 19.03 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 140.28 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * CodeCheck took 165.92 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.03 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 0.1.23-5842f4b [2018-11-18 13:15:08,079 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:15:08,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:15:08,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:15:08,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:15:08,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:15:08,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:15:08,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:15:08,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:15:08,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:15:08,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:15:08,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:15:08,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:15:08,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:15:08,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:15:08,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:15:08,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:15:08,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:15:08,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:15:08,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:15:08,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:15:08,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:15:08,105 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:15:08,105 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:15:08,105 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:15:08,106 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:15:08,107 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:15:08,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:15:08,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:15:08,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:15:08,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:15:08,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:15:08,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:15:08,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:15:08,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:15:08,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:15:08,111 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 13:15:08,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:15:08,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:15:08,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:15:08,123 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:15:08,123 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:15:08,123 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:15:08,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:15:08,124 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:15:08,125 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:15:08,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:15:08,125 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:15:08,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:15:08,125 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:15:08,125 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:15:08,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:15:08,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:15:08,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:15:08,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:15:08,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:15:08,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:15:08,126 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 13:15:08,126 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 13:15:08,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:15:08,127 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:15:08,127 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:15:08,127 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_86a20db0-a545-4eba-b2f5-00bdeaea235a/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 [2018-11-18 13:15:08,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:15:08,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:15:08,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:15:08,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:15:08,170 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:15:08,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-18 13:15:08,212 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/db68ef16a/8bbc4b79b4e246cda1cf1c92079d68f1/FLAGd3403302c [2018-11-18 13:15:08,532 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:15:08,532 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/sv-benchmarks/c/floats-esbmc-regression/digits_bad_while_false-unreach-call.i [2018-11-18 13:15:08,536 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/db68ef16a/8bbc4b79b4e246cda1cf1c92079d68f1/FLAGd3403302c [2018-11-18 13:15:08,971 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/bin-2019/ukojak/data/db68ef16a/8bbc4b79b4e246cda1cf1c92079d68f1 [2018-11-18 13:15:08,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:15:08,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:15:08,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:15:08,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:15:08,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:15:08,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:15:08" (1/1) ... [2018-11-18 13:15:08,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27184d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:08, skipping insertion in model container [2018-11-18 13:15:08,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:15:08" (1/1) ... [2018-11-18 13:15:08,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:15:09,003 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:15:09,122 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:15:09,126 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:15:09,140 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:15:09,151 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:15:09,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09 WrapperNode [2018-11-18 13:15:09,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:15:09,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:15:09,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:15:09,153 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:15:09,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:15:09,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:15:09,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:15:09,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:15:09,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... [2018-11-18 13:15:09,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:15:09,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:15:09,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:15:09,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:15:09,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:15:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86a20db0-a545-4eba-b2f5-00bdeaea235a/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 13:15:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:15:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:15:12,754 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:15:12,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:15:12 BoogieIcfgContainer [2018-11-18 13:15:12,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:15:12,754 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:15:12,755 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:15:12,762 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:15:12,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:15:12" (1/1) ... [2018-11-18 13:15:12,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:15:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-18 13:15:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-18 13:15:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 13:15:12,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:12,831 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 13:15:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:12,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:15:12,850 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 13:15:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-18 13:15:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-18 13:15:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:15:12,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:12,860 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 13:15:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:12,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:15:12,890 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 13:15:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 13:15:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 13:15:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 13:15:28,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:28,371 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 13:15:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:29,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:15:29,861 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 13:16:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:16:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-18 13:16:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-18 13:16:07,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 13:16:07,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:16:07,660 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 13:16:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:16:17,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:16:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 13:17:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 13:17:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 13:17:10,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:10,697 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 13:17:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-18 13:17:21,060 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 13:17:21,063 INFO L168 Benchmark]: Toolchain (without parser) took 132088.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,064 INFO L168 Benchmark]: CDTParser took 0.15 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 13:17:21,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.99 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,066 INFO L168 Benchmark]: Boogie Preprocessor took 18.99 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:17:21,066 INFO L168 Benchmark]: RCFGBuilder took 3555.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,067 INFO L168 Benchmark]: CodeCheck took 128307.84 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:17:21,070 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 0.15 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 175.99 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 26.71 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 932.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.99 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3555.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * CodeCheck took 128307.84 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...