./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/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 ed79a69112fb3d1d928a586c813100a391292fcd .............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:55:45,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:55:45,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:55:45,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:55:45,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:55:45,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:55:45,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:55:45,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:55:45,728 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:55:45,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:55:45,729 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:55:45,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:55:45,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:55:45,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:55:45,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:55:45,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:55:45,733 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:55:45,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:55:45,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:55:45,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:55:45,737 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:55:45,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:55:45,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:55:45,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:55:45,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:55:45,739 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:55:45,740 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:55:45,741 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:55:45,741 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:55:45,742 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:55:45,742 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:55:45,743 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:55:45,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:55:45,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:55:45,744 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:55:45,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:55:45,745 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:55:45,752 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:55:45,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:55:45,753 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:55:45,753 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:55:45,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:55:45,754 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:55:45,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:55:45,754 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:55:45,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:55:45,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:55:45,756 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:55:45,756 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:55:45,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:55:45,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:55:45,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:55:45,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:55:45,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:55:45,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:55:45,757 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:55:45,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:55:45,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:55:45,757 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_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/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 -> ed79a69112fb3d1d928a586c813100a391292fcd [2018-11-10 03:55:45,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:55:45,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:55:45,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:55:45,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:55:45,796 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:55:45,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-10 03:55:45,836 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/data/9ba370aa5/48c306b9f3cc49d2961de037b0abfa98/FLAGbd776deb6 [2018-11-10 03:55:46,289 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:55:46,289 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/sv-benchmarks/c/eca-rers2012/Problem10_label03_true-unreach-call.c [2018-11-10 03:55:46,299 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/data/9ba370aa5/48c306b9f3cc49d2961de037b0abfa98/FLAGbd776deb6 [2018-11-10 03:55:46,311 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/data/9ba370aa5/48c306b9f3cc49d2961de037b0abfa98 [2018-11-10 03:55:46,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:55:46,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:55:46,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:55:46,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:55:46,318 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:55:46,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46, skipping insertion in model container [2018-11-10 03:55:46,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:55:46,362 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:55:46,580 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:55:46,583 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:55:46,651 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:55:46,662 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:55:46,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46 WrapperNode [2018-11-10 03:55:46,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:55:46,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:55:46,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:55:46,664 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:55:46,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:55:46,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:55:46,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:55:46,785 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:55:46,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... [2018-11-10 03:55:46,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:55:46,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:55:46,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:55:46,832 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:55:46,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:55:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/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 [2018-11-10 03:55:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 03:55:46,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:55:46,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:57:35,409 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:57:35,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:35 BoogieIcfgContainer [2018-11-10 03:57:35,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:57:35,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:57:35,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:57:35,417 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:57:35,417 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:35" (1/1) ... [2018-11-10 03:57:35,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:57:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:57:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 03:57:35,448 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 03:57:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 03:57:35,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:57:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:57:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:57:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 03:57:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 03:57:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 03:57:35,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:57:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:57:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:57:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-10 03:57:36,232 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-10 03:57:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:57:36,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:57:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:57:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:57:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-11-10 03:57:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-11-10 03:57:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 03:57:47,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:57:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:57:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:57:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2018-11-10 03:57:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2018-11-10 03:57:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:57:47,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:57:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:57:48,868 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-11-10 03:57:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:58:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-11-10 03:58:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-11-10 03:58:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:58:13,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:58:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-11-10 03:58:14,281 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-10 03:58:14,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:58:14,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:58:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 67 states and 122 transitions. [2018-11-10 03:58:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2018-11-10 03:58:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:58:18,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:58:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:20,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2018-11-10 03:58:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2018-11-10 03:58:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:58:20,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 03:58:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2018-11-10 03:58:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-11-10 03:58:32,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:58:32,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:58:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 142 transitions. [2018-11-10 03:58:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2018-11-10 03:58:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:58:34,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 03:58:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 143 transitions. [2018-11-10 03:58:34,879 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2018-11-10 03:58:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:58:34,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-10 03:58:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 84 states and 146 transitions. [2018-11-10 03:58:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2018-11-10 03:58:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:58:35,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:58:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:58:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-10 03:58:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:58:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-11-10 03:58:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-11-10 03:58:36,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:58:36,163 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2018-11-10 03:58:36,169 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:58:36,494 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 03:58:36,500 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:58:36,501 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 03:58:36,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:58:36 ImpRootNode [2018-11-10 03:58:36,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:58:36,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:58:36,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:58:36,502 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:58:36,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:57:35" (3/4) ... [2018-11-10 03:58:36,505 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:58:36,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 03:58:36,520 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 03:58:36,521 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 03:58:36,600 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83a0a67b-a7ac-4191-b609-79e6af3c6eb1/bin-2019/ukojak/witness.graphml [2018-11-10 03:58:36,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:58:36,601 INFO L168 Benchmark]: Toolchain (without parser) took 170286.57 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 930.1 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -55.0 MB). Peak memory consumption was 875.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,601 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 03:58:36,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.80 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,602 INFO L168 Benchmark]: Boogie Preprocessor took 46.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,602 INFO L168 Benchmark]: RCFGBuilder took 108578.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 358.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,602 INFO L168 Benchmark]: CodeCheck took 61091.18 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 774.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 811.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,603 INFO L168 Benchmark]: Witness Printer took 98.25 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:58:36,606 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, 60.7s OverallTime, 14 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 59272 SDtfs, 146160 SDslu, 138784 SDs, 0 SdLazy, 309372 SolverSat, 41260 SolverUnsat, 3104 SolverUnknown, 0 SolverNotchecked, 381.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2938 GetRequests, 2583 SyntacticMatches, 191 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17157 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 290 ConstructedInterpolants, 0 QuantifiedInterpolants, 87885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 205/560 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: 582]: Loop Invariant Derived loop invariant: (((a12 == 0 && !(a10 == 1)) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || ((a12 == 0 && 0 <= a1 + 12) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && (!(a19 == 6) || !(a10 == 1))) && a4 == 14) || ((0 < a1 + 13 && a12 == 0) && a4 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 347.80 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 108578.53 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 358.5 MB. Max. memory is 11.5 GB. * CodeCheck took 61091.18 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 774.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 811.9 MB. Max. memory is 11.5 GB. * Witness Printer took 98.25 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...