./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/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 2fe32dd1d26a4cf82120db07241724c51fa6ea29 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:54:59,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:54:59,637 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:54:59,643 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:54:59,643 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:54:59,644 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:54:59,645 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:54:59,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:54:59,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:54:59,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:54:59,648 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:54:59,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:54:59,649 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:54:59,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:54:59,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:54:59,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:54:59,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:54:59,653 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:54:59,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:54:59,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:54:59,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:54:59,656 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:54:59,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:54:59,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:54:59,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:54:59,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:54:59,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:54:59,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:54:59,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:54:59,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:54:59,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:54:59,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:54:59,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:54:59,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:54:59,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:54:59,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:54:59,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:54:59,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:54:59,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:54:59,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:54:59,671 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:54:59,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:54:59,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:54:59,672 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:54:59,673 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:54:59,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:54:59,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:54:59,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:54:59,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:54:59,674 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:54:59,674 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:54:59,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:54:59,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:54:59,674 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_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/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 -> 2fe32dd1d26a4cf82120db07241724c51fa6ea29 [2018-11-18 08:54:59,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:54:59,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:54:59,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:54:59,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:54:59,708 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:54:59,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-11-18 08:54:59,743 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/data/e475a55b4/9e959efe8160414fa291e3cb600e88e2/FLAGadd786219 [2018-11-18 08:55:00,179 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:55:00,180 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-11-18 08:55:00,189 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/data/e475a55b4/9e959efe8160414fa291e3cb600e88e2/FLAGadd786219 [2018-11-18 08:55:00,201 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/data/e475a55b4/9e959efe8160414fa291e3cb600e88e2 [2018-11-18 08:55:00,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:55:00,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:55:00,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:55:00,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:55:00,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:55:00,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00, skipping insertion in model container [2018-11-18 08:55:00,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:55:00,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:55:00,470 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:55:00,473 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:55:00,542 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:55:00,554 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:55:00,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00 WrapperNode [2018-11-18 08:55:00,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:55:00,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:55:00,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:55:00,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:55:00,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:55:00,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:55:00,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:55:00,670 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:55:00,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... [2018-11-18 08:55:00,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:55:00,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:55:00,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:55:00,723 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:55:00,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:55:00,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:55:00,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:55:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:55:28,932 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:55:28,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:28 BoogieIcfgContainer [2018-11-18 08:55:28,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:55:28,933 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:55:28,933 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:55:28,941 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:55:28,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 08:55:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 08:55:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 08:55:28,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 08:55:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 08:55:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:55:29,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 08:55:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 08:55:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:55:29,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2018-11-18 08:55:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2018-11-18 08:55:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:55:35,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2018-11-18 08:55:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2018-11-18 08:55:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:55:36,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-11-18 08:55:36,335 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-11-18 08:55:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:55:36,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:55:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-11-18 08:55:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-11-18 08:55:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:55:37,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:55:38,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-11-18 08:55:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-11-18 08:55:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:55:38,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:55:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-11-18 08:55:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-11-18 08:55:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:55:39,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:55:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2018-11-18 08:55:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2018-11-18 08:55:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:55:51,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:55:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2018-11-18 08:55:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2018-11-18 08:55:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:55:52,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 08:55:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 62 states and 104 transitions. [2018-11-18 08:55:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2018-11-18 08:55:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:55:53,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 08:55:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2018-11-18 08:55:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2018-11-18 08:55:54,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:55:54,979 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-18 08:55:54,984 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 08:55:55,236 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-18 08:55:55,244 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 08:55:55,245 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 08:55:55,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:55:55 ImpRootNode [2018-11-18 08:55:55,245 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:55:55,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:55:55,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:55:55,246 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:55:55,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:28" (3/4) ... [2018-11-18 08:55:55,249 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:55:55,264 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 08:55:55,265 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 08:55:55,266 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:55:55,267 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 08:55:55,353 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4fffcc9-78b9-4e9f-8e72-1e5dfaa5d554/bin-2019/ukojak/witness.graphml [2018-11-18 08:55:55,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:55:55,354 INFO L168 Benchmark]: Toolchain (without parser) took 55150.07 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 893.9 MB). Free memory was 952.3 MB in the beginning and 1.8 GB in the end (delta: -830.8 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,355 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:55,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.38 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 920.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 917.4 MB in the beginning and 1.1 GB in the end (delta: -208.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,356 INFO L168 Benchmark]: Boogie Preprocessor took 53.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,356 INFO L168 Benchmark]: RCFGBuilder took 28209.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.3 MB). Peak memory consumption was 352.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,356 INFO L168 Benchmark]: CodeCheck took 26312.88 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 638.1 MB). Free memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: -640.3 MB). Peak memory consumption was 744.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,357 INFO L168 Benchmark]: Witness Printer took 107.30 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:55,359 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, 207 locations, 1 error locations. SAFE Result, 26.0s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28380 SDtfs, 69724 SDslu, 64368 SDs, 0 SdLazy, 158116 SolverSat, 18632 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 93.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2283 GetRequests, 2010 SyntacticMatches, 149 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8914 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 55945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 90/332 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: 181]: 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: 582]: Loop Invariant Derived loop invariant: (((a1 <= 218 && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 0))) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((a1 <= 218 || !(a19 == 6)) || !(a10 == 0))) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.38 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 920.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 917.4 MB in the beginning and 1.1 GB in the end (delta: -208.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28209.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.3 MB). Peak memory consumption was 352.9 MB. Max. memory is 11.5 GB. * CodeCheck took 26312.88 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 638.1 MB). Free memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: -640.3 MB). Peak memory consumption was 744.4 MB. Max. memory is 11.5 GB. * Witness Printer took 107.30 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...