./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/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 f6874e83bb98ef964ab4624a7a111074df579069 .................................................................................................................................................................................................................. 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_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/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 f6874e83bb98ef964ab4624a7a111074df579069 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:39:30,157 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:39:30,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:39:30,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:39:30,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:39:30,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:39:30,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:39:30,171 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:39:30,172 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:39:30,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:39:30,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:39:30,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:39:30,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:39:30,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:39:30,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:39:30,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:39:30,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:39:30,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:39:30,180 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:39:30,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:39:30,182 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:39:30,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:39:30,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:39:30,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:39:30,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:39:30,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:39:30,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:39:30,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:39:30,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:39:30,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:39:30,189 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:39:30,190 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:39:30,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:39:30,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:39:30,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:39:30,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:39:30,193 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:39:30,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:39:30,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:39:30,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:39:30,206 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:39:30,207 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:39:30,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:39:30,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:39:30,207 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:39:30,208 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:39:30,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:39:30,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:39:30,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:39:30,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:39:30,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:39:30,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:39:30,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:39:30,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:39:30,209 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:39:30,209 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:39:30,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:39:30,209 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:39:30,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:39:30,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:39:30,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:39:30,212 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:39:30,212 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:39:30,212 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:39:30,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:39:30,213 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_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2018-10-26 21:39:30,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:39:30,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:39:30,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:39:30,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:39:30,257 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:39:30,258 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-10-26 21:39:30,306 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/9201feada/d261e4e17f4f4c468fae353eda3a8173/FLAG241f14b03 [2018-10-26 21:39:30,694 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:39:30,695 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-10-26 21:39:30,699 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/9201feada/d261e4e17f4f4c468fae353eda3a8173/FLAG241f14b03 [2018-10-26 21:39:30,711 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/9201feada/d261e4e17f4f4c468fae353eda3a8173 [2018-10-26 21:39:30,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:39:30,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:39:30,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:39:30,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:39:30,720 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:39:30,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30, skipping insertion in model container [2018-10-26 21:39:30,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:39:30,752 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:39:30,876 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:39:30,880 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:39:30,894 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:39:30,906 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:39:30,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30 WrapperNode [2018-10-26 21:39:30,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:39:30,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:39:30,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:39:30,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:39:30,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:39:30,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:39:30,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:39:30,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:39:30,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... [2018-10-26 21:39:30,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:39:30,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:39:30,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:39:30,951 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:39:30,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/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 [2018-10-26 21:39:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:39:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:39:31,392 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:39:31,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:31 BoogieIcfgContainer [2018-10-26 21:39:31,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:39:31,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:39:31,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:39:31,408 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:39:31,409 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:31" (1/1) ... [2018-10-26 21:39:31,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:39:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 21:39:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 21:39:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 21:39:31,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 21:39:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 21:39:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 21:39:31,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:39:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:39:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:39:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:39:31,614 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-10-26 21:39:31,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:39:31 ImpRootNode [2018-10-26 21:39:31,641 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:39:31,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:39:31,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:39:31,642 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:39:31,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:31" (3/4) ... [2018-10-26 21:39:31,659 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:39:31,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:39:31,660 INFO L168 Benchmark]: Toolchain (without parser) took 944.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:39:31,661 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-26 21:39:31,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:39:31,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.0 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:39:31,671 INFO L168 Benchmark]: Boogie Preprocessor took 16.17 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 948.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:39:31,672 INFO L168 Benchmark]: RCFGBuilder took 441.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:39:31,673 INFO L168 Benchmark]: CodeCheck took 248.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:39:31,674 INFO L168 Benchmark]: Witness Printer took 17.44 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. [2018-10-26 21:39:31,679 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 someBinaryFLOATComparisonOperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L9] float x = 1.0f; [L10] float x1 = x/1.6f; [L12] COND FALSE !(x1 != x) [L18] CALL __VERIFIER_assert(x == 0) [L2] COND TRUE !(cond) [L2] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 190.41 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.0 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.17 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 948.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 441.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 248.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 17.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:39:33,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:39:33,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:39:33,700 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:39:33,701 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:39:33,702 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:39:33,704 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:39:33,706 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:39:33,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:39:33,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:39:33,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:39:33,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:39:33,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:39:33,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:39:33,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:39:33,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:39:33,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:39:33,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:39:33,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:39:33,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:39:33,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:39:33,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:39:33,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:39:33,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:39:33,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:39:33,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:39:33,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:39:33,725 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:39:33,726 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:39:33,727 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:39:33,727 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:39:33,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:39:33,728 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:39:33,728 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:39:33,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:39:33,729 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:39:33,729 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 21:39:33,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:39:33,742 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:39:33,743 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:39:33,743 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:39:33,744 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:39:33,744 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:39:33,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:39:33,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:39:33,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:39:33,744 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:39:33,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:39:33,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:39:33,746 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:39:33,746 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:39:33,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:39:33,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:39:33,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:39:33,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:39:33,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:39:33,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:39:33,749 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 21:39:33,749 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:39:33,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:39:33,749 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:39:33,750 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:39:33,750 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_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/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 -> f6874e83bb98ef964ab4624a7a111074df579069 [2018-10-26 21:39:33,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:39:33,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:39:33,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:39:33,802 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:39:33,803 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:39:33,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-10-26 21:39:33,858 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/4d8c1002a/2be783455e004f179969286ed0b70064/FLAG9a7fce15b [2018-10-26 21:39:34,236 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:39:34,237 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad_false-unreach-call.i [2018-10-26 21:39:34,243 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/4d8c1002a/2be783455e004f179969286ed0b70064/FLAG9a7fce15b [2018-10-26 21:39:34,257 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/bin-2019/ukojak/data/4d8c1002a/2be783455e004f179969286ed0b70064 [2018-10-26 21:39:34,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:39:34,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:39:34,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:39:34,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:39:34,267 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:39:34,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f662ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34, skipping insertion in model container [2018-10-26 21:39:34,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:39:34,298 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:39:34,464 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:39:34,471 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:39:34,487 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:39:34,502 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:39:34,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34 WrapperNode [2018-10-26 21:39:34,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:39:34,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:39:34,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:39:34,504 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:39:34,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:39:34,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:39:34,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:39:34,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:39:34,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... [2018-10-26 21:39:34,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:39:34,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:39:34,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:39:34,567 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:39:34,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:39:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c0bb3f6-3ac0-4eb8-b0be-038ab600a72d/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 [2018-10-26 21:39:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:39:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:39:35,301 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:39:35,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:35 BoogieIcfgContainer [2018-10-26 21:39:35,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:39:35,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:39:35,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:39:35,313 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:39:35,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:39:35" (1/1) ... [2018-10-26 21:39:35,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:39:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-26 21:39:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-26 21:39:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-26 21:39:35,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:35,429 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:39:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:35,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:39:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-26 21:39:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-26 21:39:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 21:39:35,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:35,467 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:39:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:35,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:39:36,734 WARN L179 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 21:39:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:38,368 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:39:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:39:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-26 21:39:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-26 21:39:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 21:39:44,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:39:44,390 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:39:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:39:45,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:39:47,328 WARN L179 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:39:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:39:49,398 WARN L179 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 21:39:57,176 WARN L179 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 21:40:08,723 WARN L179 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 21:40:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:40:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-26 21:40:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-26 21:40:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 21:40:20,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:40:20,036 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-10-26 21:40:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-10-26 21:40:30,390 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 21:40:30,397 INFO L168 Benchmark]: Toolchain (without parser) took 56136.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -97.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:40:30,398 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:40:30,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:40:30,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:40:30,400 INFO L168 Benchmark]: Boogie Preprocessor took 29.21 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:40:30,401 INFO L168 Benchmark]: RCFGBuilder took 735.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:40:30,401 INFO L168 Benchmark]: CodeCheck took 55089.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:40:30,404 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:508) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.04 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.25 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.21 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 735.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * CodeCheck took 55089.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...