./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.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_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 ................................................................................................................................................................................................................................................................. 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 18:30:22,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:30:22,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:30:22,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:30:22,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:30:22,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:30:22,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:30:22,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:30:22,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:30:22,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:30:22,731 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:30:22,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:30:22,732 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:30:22,733 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:30:22,734 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:30:22,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:30:22,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:30:22,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:30:22,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:30:22,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:30:22,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:30:22,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:30:22,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:30:22,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:30:22,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:30:22,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:30:22,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:30:22,745 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:30:22,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:30:22,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:30:22,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:30:22,748 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:30:22,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:30:22,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:30:22,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:30:22,749 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:30:22,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:30:22,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:30:22,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:30:22,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:30:22,762 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:30:22,762 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:30:22,762 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:30:22,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:30:22,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:30:22,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:30:22,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:30:22,764 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:30:22,764 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:30:22,765 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:30:22,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:30:22,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:30:22,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:30:22,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:30:22,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:30:22,765 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:30:22,765 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:30:22,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:30:22,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:30:22,766 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_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-11-18 18:30:22,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:30:22,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:30:22,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:30:22,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:30:22,819 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:30:22,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-18 18:30:22,870 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/data/736725e00/66692fc5ee684e91943ce6c8587c842a/FLAGaeeff39bc [2018-11-18 18:30:23,378 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:30:23,378 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-18 18:30:23,406 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/data/736725e00/66692fc5ee684e91943ce6c8587c842a/FLAGaeeff39bc [2018-11-18 18:30:23,845 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/data/736725e00/66692fc5ee684e91943ce6c8587c842a [2018-11-18 18:30:23,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:30:23,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:30:23,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:30:23,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:30:23,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:30:23,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:30:23" (1/1) ... [2018-11-18 18:30:23,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eef3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:23, skipping insertion in model container [2018-11-18 18:30:23,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:30:23" (1/1) ... [2018-11-18 18:30:23,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:30:23,925 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:30:24,372 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:30:24,375 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:30:24,517 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:30:24,533 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:30:24,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24 WrapperNode [2018-11-18 18:30:24,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:30:24,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:30:24,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:30:24,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:30:24,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:30:24,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:30:24,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:30:24,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:30:24,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... [2018-11-18 18:30:24,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:30:24,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:30:24,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:30:24,960 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:30:24,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:30:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/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 18:30:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:30:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:30:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:34:32,154 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:34:32,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:34:32 BoogieIcfgContainer [2018-11-18 18:34:32,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:34:32,155 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:34:32,155 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:34:32,161 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:34:32,162 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:34:32" (1/1) ... [2018-11-18 18:34:32,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:34:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:34:32,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 18:34:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 18:34:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:34:32,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:34:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:34:32,336 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 18:34:32,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:34:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 18:34:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 18:34:32,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 18:34:32,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:34:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:34:32,879 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 18:34:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:34:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-18 18:34:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-18 18:34:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:34:33,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:34:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:34:33,898 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 18:34:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:34:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2018-11-18 18:34:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2018-11-18 18:34:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 18:34:34,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:34:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:34:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:34:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:34:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2018-11-18 18:34:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2018-11-18 18:34:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:34:56,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:34:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:34:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:35:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:35:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 53 states and 108 transitions. [2018-11-18 18:35:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 108 transitions. [2018-11-18 18:35:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:35:01,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:35:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:35:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:35:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:35:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 58 states and 126 transitions. [2018-11-18 18:35:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 126 transitions. [2018-11-18 18:35:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 18:35:12,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:35:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:35:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:35:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:35:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 128 transitions. [2018-11-18 18:35:13,696 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 128 transitions. [2018-11-18 18:35:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 18:35:13,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:35:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:35:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:35:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:35:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 64 states and 140 transitions. [2018-11-18 18:35:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 140 transitions. [2018-11-18 18:35:18,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:35:18,348 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-18 18:35:18,354 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 18:35:18,505 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 56 [2018-11-18 18:35:18,647 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-11-18 18:35:18,768 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-11-18 18:35:18,892 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 56 [2018-11-18 18:35:19,009 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 34 [2018-11-18 18:35:19,009 INFO L579 CodeCheckObserver]: Invariant with dag size 34 [2018-11-18 18:35:19,016 INFO L579 CodeCheckObserver]: Invariant with dag size 56 [2018-11-18 18:35:19,018 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 18:35:19,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:35:19 ImpRootNode [2018-11-18 18:35:19,018 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:35:19,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:35:19,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:35:19,019 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:35:19,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:34:32" (3/4) ... [2018-11-18 18:35:19,023 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:35:19,041 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 18:35:19,042 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 18:35:19,043 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:35:19,044 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 18:35:19,146 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4a66419-7bb2-4bbe-b882-b909624f6b6c_396593022711627/bin-2019/ukojak/witness.graphml [2018-11-18 18:35:19,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:35:19,147 INFO L168 Benchmark]: Toolchain (without parser) took 295297.95 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 604.0 MB). Free memory was 950.4 MB in the beginning and 844.0 MB in the end (delta: 106.4 MB). Peak memory consumption was 710.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,147 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:35:19,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 907.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 312.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 907.4 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,148 INFO L168 Benchmark]: Boogie Preprocessor took 112.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,148 INFO L168 Benchmark]: RCFGBuilder took 247195.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.0 GB in the beginning and 690.2 MB in the end (delta: 351.7 MB). Peak memory consumption was 543.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,148 INFO L168 Benchmark]: CodeCheck took 46863.10 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 378.0 MB). Free memory was 690.2 MB in the beginning and 876.7 MB in the end (delta: -186.5 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,149 INFO L168 Benchmark]: Witness Printer took 127.48 ms. Allocated memory is still 1.6 GB. Free memory was 876.7 MB in the beginning and 844.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:35:19,151 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, 246 locations, 1 error locations. SAFE Result, 46.1s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1788 SDtfs, 4618 SDslu, 4080 SDs, 0 SdLazy, 10404 SolverSat, 1596 SolverUnsat, 72 SolverUnknown, 0 SolverNotchecked, 134.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1690 GetRequests, 1410 SyntacticMatches, 88 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21474 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 101905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/252 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: 112]: 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: (((a21 == 6 && a15 == 7) || (!(a21 == 6) && ((12 <= a12 || a12 + 43 <= 0) || !(a21 == 7)))) || (!(a15 == 9) && (!(a24 == 1) || !(a15 == 7)))) || (a15 == 9 && (!(a24 == 1) || a12 <= 95442)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a12 + 43 <= 0 && !(a21 == 7)) || !(a24 == 1)) || (!(a12 + 43 <= 0 || !(7 == a15)) && (11 < a12 || !(a21 == 7)))) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || ((!(a15 == 9) && !((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0)) && (a12 + 43 <= 0 || !(7 == a15)))) || ((!(a21 == 6) || a12 <= 95442) && a15 == 9) - 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 907.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 312.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 907.4 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 247195.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 148.4 MB). Free memory was 1.0 GB in the beginning and 690.2 MB in the end (delta: 351.7 MB). Peak memory consumption was 543.4 MB. Max. memory is 11.5 GB. * CodeCheck took 46863.10 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 378.0 MB). Free memory was 690.2 MB in the beginning and 876.7 MB in the end (delta: -186.5 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. * Witness Printer took 127.48 ms. Allocated memory is still 1.6 GB. Free memory was 876.7 MB in the beginning and 844.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...