./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/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 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:04:36,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:04:36,682 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:04:36,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:04:36,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:04:36,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:04:36,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:04:36,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:04:36,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:04:36,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:04:36,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:04:36,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:04:36,694 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:04:36,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:04:36,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:04:36,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:04:36,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:04:36,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:04:36,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:04:36,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:04:36,698 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:04:36,699 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:04:36,701 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:04:36,701 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:04:36,701 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:04:36,702 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:04:36,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:04:36,703 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:04:36,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:04:36,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:04:36,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:04:36,704 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:04:36,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:04:36,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:04:36,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:04:36,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:04:36,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 19:04:36,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:04:36,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:04:36,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:04:36,715 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:04:36,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:04:36,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:04:36,716 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:04:36,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:04:36,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:04:36,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:04:36,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:04:36,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:04:36,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:04:36,717 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:04:36,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:04:36,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:04:36,717 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:04:36,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:04:36,718 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:04:36,718 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:04:36,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:04:36,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:04:36,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:04:36,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:04:36,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:04:36,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:04:36,719 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:04:36,719 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:04:36,719 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:04:36,719 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_469d8964-a06c-4e06-a5c0-192f7247e126/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 -> 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c [2018-12-01 19:04:36,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:04:36,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:04:36,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:04:36,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:04:36,751 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:04:36,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c [2018-12-01 19:04:36,785 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/data/ceb4784ec/4f6c4324390a4393bb11cd8dfcbad664/FLAG75b21a2a4 [2018-12-01 19:04:37,124 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:04:37,125 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c [2018-12-01 19:04:37,133 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/data/ceb4784ec/4f6c4324390a4393bb11cd8dfcbad664/FLAG75b21a2a4 [2018-12-01 19:04:37,141 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/data/ceb4784ec/4f6c4324390a4393bb11cd8dfcbad664 [2018-12-01 19:04:37,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:04:37,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:04:37,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:04:37,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:04:37,146 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:04:37,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37, skipping insertion in model container [2018-12-01 19:04:37,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:04:37,180 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:04:37,377 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:04:37,380 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:04:37,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:04:37,521 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:04:37,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37 WrapperNode [2018-12-01 19:04:37,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:04:37,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:04:37,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:04:37,522 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:04:37,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:04:37,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:04:37,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:04:37,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:04:37,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... [2018-12-01 19:04:37,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:04:37,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:04:37,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:04:37,617 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:04:37,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:04:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:04:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:04:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:09:11,626 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:09:11,626 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 19:09:11,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:09:11 BoogieIcfgContainer [2018-12-01 19:09:11,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:09:11,627 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:09:11,627 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:09:11,633 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:09:11,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:09:11" (1/1) ... [2018-12-01 19:09:11,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:09:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 19:09:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 19:09:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:09:11,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 19:09:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 19:09:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:09:11,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-01 19:09:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-01 19:09:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:09:22,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-12-01 19:09:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-12-01 19:09:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:09:26,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2018-12-01 19:09:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2018-12-01 19:09:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:09:26,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2018-12-01 19:09:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2018-12-01 19:09:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:09:28,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2018-12-01 19:09:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2018-12-01 19:09:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:09:29,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2018-12-01 19:09:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2018-12-01 19:09:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:09:30,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:09:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:09:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-12-01 19:09:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-12-01 19:09:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:09:31,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:09:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:09:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 19:10:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:10:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 57 states and 100 transitions. [2018-12-01 19:10:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2018-12-01 19:10:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:10:02,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:10:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 19:10:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:10:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 104 transitions. [2018-12-01 19:10:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 104 transitions. [2018-12-01 19:10:03,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 19:10:03,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:10:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:10:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 19:10:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:10:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-12-01 19:10:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-12-01 19:10:05,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:10:05,980 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-12-01 19:10:05,988 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 19:10:06,129 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-01 19:10:06,136 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-01 19:10:06,136 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 19:10:06,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:10:06 ImpRootNode [2018-12-01 19:10:06,137 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:10:06,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:10:06,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:10:06,138 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:10:06,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:09:11" (3/4) ... [2018-12-01 19:10:06,140 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:10:06,155 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-01 19:10:06,156 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 19:10:06,157 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 19:10:06,158 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 19:10:06,240 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_469d8964-a06c-4e06-a5c0-192f7247e126/bin-2019/ukojak/witness.graphml [2018-12-01 19:10:06,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:10:06,241 INFO L168 Benchmark]: Toolchain (without parser) took 329097.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 420.5 MB). Free memory was 944.2 MB in the beginning and 996.2 MB in the end (delta: -52.0 MB). Peak memory consumption was 368.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,242 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:10:06,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.06 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,242 INFO L168 Benchmark]: Boogie Preprocessor took 41.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,242 INFO L168 Benchmark]: RCFGBuilder took 274009.90 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 837.7 MB in the end (delta: 237.4 MB). Peak memory consumption was 361.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,243 INFO L168 Benchmark]: CodeCheck took 54510.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.6 MB). Free memory was 837.7 MB in the beginning and 1.0 GB in the end (delta: -179.8 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,243 INFO L168 Benchmark]: Witness Printer took 103.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 996.2 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:10:06,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 245 locations, 1 error locations. SAFE Result, 54.3s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12724 SDtfs, 24180 SDslu, 17256 SDs, 0 SdLazy, 78628 SolverSat, 14694 SolverUnsat, 1048 SolverUnknown, 0 SolverNotchecked, 224.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1997 GetRequests, 1685 SyntacticMatches, 136 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22431 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 66440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 20/325 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: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((a12 + 49 <= 0 || a21 == 10 || a21 == 9) || a21 == 8) || !(a15 == 6)) || a21 == 6 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 + 49 <= 0 || !(a15 == 6)) || (a21 == 6 || a21 == 10) || a21 == 9) || a21 == 8 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.06 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.17 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 274009.90 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 837.7 MB in the end (delta: 237.4 MB). Peak memory consumption was 361.8 MB. Max. memory is 11.5 GB. * CodeCheck took 54510.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.6 MB). Free memory was 837.7 MB in the beginning and 1.0 GB in the end (delta: -179.8 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. * Witness Printer took 103.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 996.2 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...