./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/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 0572227f16868054f9308a9d75f98d2abad6a63b ...................................................................................................................................................................................................... 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_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/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 0572227f16868054f9308a9d75f98d2abad6a63b ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:47:55,257 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:47:55,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:47:55,266 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:47:55,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:47:55,267 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:47:55,268 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:47:55,269 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:47:55,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:47:55,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:47:55,271 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:47:55,271 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:47:55,272 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:47:55,273 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:47:55,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:47:55,274 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:47:55,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:47:55,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:47:55,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:47:55,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:47:55,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:47:55,280 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:47:55,281 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:47:55,282 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:47:55,282 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:47:55,282 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:47:55,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:47:55,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:47:55,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:47:55,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:47:55,285 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:47:55,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:47:55,286 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:47:55,286 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:47:55,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:47:55,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:47:55,287 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 05:47:55,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:47:55,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:47:55,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:47:55,298 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 05:47:55,299 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:47:55,299 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:47:55,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:47:55,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:47:55,299 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:47:55,299 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:47:55,299 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:47:55,300 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 05:47:55,300 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 05:47:55,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:47:55,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:47:55,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:47:55,301 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_bec29aa8-4183-40df-bd22-ee56f54fe0ec/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 -> 0572227f16868054f9308a9d75f98d2abad6a63b [2018-12-09 05:47:55,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:47:55,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:47:55,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:47:55,333 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:47:55,333 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:47:55,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-12-09 05:47:55,371 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/09c838950/652ee301d8204b31bc90d24d7270fa30/FLAG19a7fa0fb [2018-12-09 05:47:55,716 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:47:55,717 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-12-09 05:47:55,720 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/09c838950/652ee301d8204b31bc90d24d7270fa30/FLAG19a7fa0fb [2018-12-09 05:47:55,728 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/09c838950/652ee301d8204b31bc90d24d7270fa30 [2018-12-09 05:47:55,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:47:55,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:47:55,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:47:55,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:47:55,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:47:55,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62119e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55, skipping insertion in model container [2018-12-09 05:47:55,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:47:55,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:47:55,826 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:47:55,829 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:47:55,838 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:47:55,845 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:47:55,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55 WrapperNode [2018-12-09 05:47:55,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:47:55,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:47:55,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:47:55,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:47:55,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:47:55,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:47:55,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:47:55,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:47:55,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... [2018-12-09 05:47:55,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:47:55,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:47:55,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:47:55,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:47:55,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/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 [2018-12-09 05:47:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:47:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:47:56,010 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:47:56,010 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 05:47:56,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:47:56 BoogieIcfgContainer [2018-12-09 05:47:56,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:47:56,011 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 05:47:56,011 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 05:47:56,018 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 05:47:56,018 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:47:56" (1/1) ... [2018-12-09 05:47:56,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:47:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:47:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-12-09 05:47:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-09 05:47:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 05:47:56,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:47:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:47:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:47:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:47:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 05:47:56,125 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-09 05:47:56,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:47:56 ImpRootNode [2018-12-09 05:47:56,137 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 05:47:56,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:47:56,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:47:56,137 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:47:56,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:47:56" (3/4) ... [2018-12-09 05:47:56,140 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 05:47:56,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:47:56,141 INFO L168 Benchmark]: Toolchain (without parser) took 411.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -114.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:47:56,142 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:47:56,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 115.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 944.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:56,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.89 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 941.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:56,143 INFO L168 Benchmark]: Boogie Preprocessor took 9.77 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:47:56,144 INFO L168 Benchmark]: RCFGBuilder took 136.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:56,144 INFO L168 Benchmark]: CodeCheck took 126.16 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:56,144 INFO L168 Benchmark]: Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:47:56,146 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, 19 locations, 4 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10. Possible FailurePath: [L5] float a; [L6] double b; [L9] a=1.25L [L10] COND TRUE !(a==1.25) [L10] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 115.14 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 944.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.89 ms. Allocated memory is still 1.0 GB. Free memory was 944.2 MB in the beginning and 941.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.77 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 136.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 941.5 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * CodeCheck took 126.16 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:47:57,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:47:57,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:47:57,454 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:47:57,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:47:57,455 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:47:57,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:47:57,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:47:57,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:47:57,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:47:57,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:47:57,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:47:57,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:47:57,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:47:57,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:47:57,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:47:57,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:47:57,464 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:47:57,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:47:57,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:47:57,467 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:47:57,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:47:57,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:47:57,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:47:57,469 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:47:57,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:47:57,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:47:57,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:47:57,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:47:57,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:47:57,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:47:57,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:47:57,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:47:57,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:47:57,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:47:57,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:47:57,475 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-09 05:47:57,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:47:57,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:47:57,486 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:47:57,486 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 05:47:57,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 05:47:57,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 05:47:57,487 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 05:47:57,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:47:57,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:47:57,488 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 05:47:57,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:47:57,488 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 05:47:57,488 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 05:47:57,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:47:57,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 05:47:57,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 05:47:57,489 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 05:47:57,489 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_bec29aa8-4183-40df-bd22-ee56f54fe0ec/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 -> 0572227f16868054f9308a9d75f98d2abad6a63b [2018-12-09 05:47:57,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:47:57,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:47:57,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:47:57,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:47:57,521 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:47:57,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-12-09 05:47:57,556 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/f14fae94c/a7896f4f8e3a4c7c9366595d82f1fb86/FLAG1348db827 [2018-12-09 05:47:57,974 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:47:57,975 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/sv-benchmarks/c/floats-cbmc-regression/float2_true-unreach-call_true-termination.i [2018-12-09 05:47:57,978 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/f14fae94c/a7896f4f8e3a4c7c9366595d82f1fb86/FLAG1348db827 [2018-12-09 05:47:57,986 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/data/f14fae94c/a7896f4f8e3a4c7c9366595d82f1fb86 [2018-12-09 05:47:57,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:47:57,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:47:57,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:47:57,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:47:57,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:47:57,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:47:57" (1/1) ... [2018-12-09 05:47:57,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0a9d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:57, skipping insertion in model container [2018-12-09 05:47:57,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:47:57" (1/1) ... [2018-12-09 05:47:57,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:47:58,005 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:47:58,085 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:47:58,090 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:47:58,098 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:47:58,107 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:47:58,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58 WrapperNode [2018-12-09 05:47:58,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:47:58,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:47:58,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:47:58,108 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:47:58,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:47:58,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:47:58,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:47:58,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:47:58,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:47:58,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:47:58,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:47:58,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:47:58,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:47:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/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 [2018-12-09 05:47:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:47:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:47:58,444 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:47:58,444 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-09 05:47:58,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:47:58 BoogieIcfgContainer [2018-12-09 05:47:58,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:47:58,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 05:47:58,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 05:47:58,451 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 05:47:58,452 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:47:58" (1/1) ... [2018-12-09 05:47:58,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:47:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:47:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-12-09 05:47:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-09 05:47:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 05:47:58,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:47:58,512 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 05:47:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:47:58,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:47:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:47:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:47:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-12-09 05:47:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-09 05:47:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 05:47:58,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:47:58,787 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 05:47:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:47:58,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:47:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:47:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:47:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-12-09 05:47:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-09 05:47:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 05:47:58,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:47:58,830 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 05:47:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:47:58,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:47:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:47:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:47:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-09 05:47:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-09 05:47:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 05:47:58,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 05:47:58,876 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-09 05:47:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:47:58,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:47:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:47:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 05:47:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-12-09 05:47:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-12-09 05:47:58,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:47:58,938 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-09 05:47:58,943 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-09 05:47:58,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:47:58 ImpRootNode [2018-12-09 05:47:58,956 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 05:47:58,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:47:58,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:47:58,957 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:47:58,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:47:58" (3/4) ... [2018-12-09 05:47:58,960 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:47:58,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 05:47:58,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 05:47:58,995 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bec29aa8-4183-40df-bd22-ee56f54fe0ec/bin-2019/ukojak/witness.graphml [2018-12-09 05:47:58,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:47:58,996 INFO L168 Benchmark]: Toolchain (without parser) took 1007.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:58,996 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:47:58,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 118.63 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:58,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.93 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. [2018-12-09 05:47:58,998 INFO L168 Benchmark]: Boogie Preprocessor took 12.73 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:58,998 INFO L168 Benchmark]: RCFGBuilder took 305.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:58,998 INFO L168 Benchmark]: CodeCheck took 511.01 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: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-09 05:47:58,999 INFO L168 Benchmark]: Witness Printer took 38.75 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. [2018-12-09 05:47:59,001 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, 19 locations, 4 error locations. SAFE Result, 0.4s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 66 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 4 NumberOfNonLiveVariables, 32 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 118.63 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.93 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. * Boogie Preprocessor took 12.73 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 305.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * CodeCheck took 511.01 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: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Witness Printer took 38.75 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 proved your program to be correct! Received shutdown request...