./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/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 0d6d504be06c544abd3f98aa8e24c2240a31073b ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:25:42,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:25:42,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:25:42,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:25:42,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:25:42,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:25:42,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:25:42,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:25:42,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:25:42,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:25:42,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:25:42,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:25:42,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:25:42,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:25:42,700 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:25:42,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:25:42,701 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:25:42,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:25:42,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:25:42,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:25:42,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:25:42,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:25:42,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:25:42,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:25:42,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:25:42,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:25:42,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:25:42,710 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:25:42,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:25:42,711 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:25:42,711 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:25:42,711 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:25:42,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:25:42,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:25:42,712 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:25:42,713 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:25:42,713 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:25:42,722 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:25:42,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:25:42,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:25:42,723 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:25:42,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:25:42,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:25:42,724 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:25:42,724 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:25:42,724 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:25:42,724 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:25:42,725 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:25:42,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:25:42,726 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:25:42,726 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:25:42,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:25:42,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:25:42,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:25:42,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:25:42,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:25:42,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:25:42,727 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:25:42,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:25:42,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:25:42,727 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_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/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 -> 0d6d504be06c544abd3f98aa8e24c2240a31073b [2018-11-23 05:25:42,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:25:42,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:25:42,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:25:42,761 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:25:42,762 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:25:42,762 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-11-23 05:25:42,796 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/data/12bc349dc/f8f07498ff454fbe994b8138f8c6c753/FLAG5d8576438 [2018-11-23 05:25:43,246 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:25:43,246 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/sv-benchmarks/c/eca-rers2012/Problem14_label06_true-unreach-call_false-termination.c [2018-11-23 05:25:43,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/data/12bc349dc/f8f07498ff454fbe994b8138f8c6c753/FLAG5d8576438 [2018-11-23 05:25:43,267 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/data/12bc349dc/f8f07498ff454fbe994b8138f8c6c753 [2018-11-23 05:25:43,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:25:43,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:25:43,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:25:43,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:25:43,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:25:43,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43, skipping insertion in model container [2018-11-23 05:25:43,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:25:43,322 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:25:43,579 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:25:43,582 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:25:43,670 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:25:43,774 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:25:43,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43 WrapperNode [2018-11-23 05:25:43,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:25:43,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:25:43,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:25:43,775 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:25:43,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:25:43,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:25:43,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:25:43,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:25:43,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... [2018-11-23 05:25:43,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:25:43,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:25:43,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:25:43,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:25:43,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:25:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:25:43,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:25:43,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:31:57,754 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:31:57,754 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 05:31:57,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:57 BoogieIcfgContainer [2018-11-23 05:31:57,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:31:57,755 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:31:57,755 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:31:57,764 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:31:57,764 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:57" (1/1) ... [2018-11-23 05:31:57,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:31:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:31:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 05:31:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 05:31:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 05:31:57,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:31:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:31:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:31:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:31:58,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 05:31:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 05:31:58,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:31:58,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:31:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:31:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:31:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:31:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-23 05:31:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-23 05:31:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:31:58,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:31:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:31:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:00,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2018-11-23 05:32:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2018-11-23 05:32:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:32:00,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2018-11-23 05:32:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2018-11-23 05:32:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 05:32:10,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-11-23 05:32:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-11-23 05:32:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 05:32:32,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 84 transitions. [2018-11-23 05:32:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2018-11-23 05:32:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:32:33,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 111 transitions. [2018-11-23 05:32:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 111 transitions. [2018-11-23 05:32:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:32:45,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 112 transitions. [2018-11-23 05:32:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2018-11-23 05:32:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:32:46,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:32:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 114 transitions. [2018-11-23 05:32:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 114 transitions. [2018-11-23 05:32:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 05:32:57,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:32:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:32:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 05:32:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:32:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2018-11-23 05:32:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2018-11-23 05:32:58,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:32:58,889 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-23 05:32:58,897 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:32:59,119 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-23 05:32:59,127 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-23 05:32:59,128 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:32:59,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:32:59 ImpRootNode [2018-11-23 05:32:59,129 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:32:59,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:32:59,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:32:59,129 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:32:59,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:57" (3/4) ... [2018-11-23 05:32:59,133 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:32:59,150 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-23 05:32:59,152 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 05:32:59,153 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:32:59,154 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:32:59,264 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_963be80a-f7e6-418e-b2c6-8a8ee5c30b94/bin-2019/ukojak/witness.graphml [2018-11-23 05:32:59,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:32:59,265 INFO L168 Benchmark]: Toolchain (without parser) took 435994.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.1 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 213.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,266 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:32:59,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 952.8 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,267 INFO L168 Benchmark]: Boogie Preprocessor took 48.96 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,267 INFO L168 Benchmark]: RCFGBuilder took 373875.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.1 MB). Peak memory consumption was 570.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,267 INFO L168 Benchmark]: CodeCheck took 61373.90 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,268 INFO L168 Benchmark]: Witness Printer took 135.55 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:32:59,269 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, 245 locations, 1 error locations. SAFE Result, 61.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6860 SDtfs, 14564 SDslu, 9624 SDs, 0 SdLazy, 42156 SolverSat, 6520 SolverUnsat, 276 SolverUnknown, 0 SolverNotchecked, 258.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1670 GetRequests, 1406 SyntacticMatches, 116 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15338 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 43752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 4/228 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: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (a12 + 43 <= 0 || !(a15 == 5)) || 12 <= a12 || !(a21 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(a15 == 5) || (a12 + 43 <= 0 || 11 < a12) || !(a21 == 8) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 503.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 952.8 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.96 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 373875.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.1 MB). Peak memory consumption was 570.4 MB. Max. memory is 11.5 GB. * CodeCheck took 61373.90 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * Witness Printer took 135.55 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...