./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/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 168e56dc33faa87b4447fd40c5b549bf70322446 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:35:59,605 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:35:59,606 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:35:59,615 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:35:59,615 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:35:59,616 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:35:59,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:35:59,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:35:59,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:35:59,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:35:59,620 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:35:59,620 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:35:59,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:35:59,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:35:59,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:35:59,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:35:59,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:35:59,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:35:59,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:35:59,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:35:59,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:35:59,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:35:59,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:35:59,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:35:59,631 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:35:59,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:35:59,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:35:59,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:35:59,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:35:59,634 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:35:59,634 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:35:59,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:35:59,635 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:35:59,635 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:35:59,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:35:59,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:35:59,636 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:35:59,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:35:59,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:35:59,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:35:59,647 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:35:59,647 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:35:59,647 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:35:59,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:35:59,648 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:35:59,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:35:59,648 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:35:59,648 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:35:59,648 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:35:59,648 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:35:59,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:35:59,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:35:59,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:35:59,649 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:35:59,649 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:35:59,649 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:35:59,649 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:35:59,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:35:59,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:35:59,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:35:59,650 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:35:59,650 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:35:59,650 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:35:59,650 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:35:59,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:35:59,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:35:59,651 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_ef2952f3-54ae-451b-b40f-42d55bf6e38f/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 -> 168e56dc33faa87b4447fd40c5b549bf70322446 [2018-11-23 06:35:59,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:35:59,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:35:59,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:35:59,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:35:59,688 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:35:59,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-11-23 06:35:59,733 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/data/d5042d82d/73409e697c5c43a081f12af4ad8b3f7e/FLAGb4e8abe5a [2018-11-23 06:36:00,128 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:36:00,129 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/sv-benchmarks/c/eca-rers2012/Problem14_label38_true-unreach-call_false-termination.c [2018-11-23 06:36:00,138 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/data/d5042d82d/73409e697c5c43a081f12af4ad8b3f7e/FLAGb4e8abe5a [2018-11-23 06:36:00,493 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/data/d5042d82d/73409e697c5c43a081f12af4ad8b3f7e [2018-11-23 06:36:00,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:36:00,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:36:00,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:36:00,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:36:00,500 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:36:00,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:00,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b965d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00, skipping insertion in model container [2018-11-23 06:36:00,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:00,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:36:00,546 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:36:00,800 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:36:00,804 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:36:00,891 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:36:00,904 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:36:00,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00 WrapperNode [2018-11-23 06:36:00,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:36:00,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:36:00,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:36:00,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:36:00,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:36:01,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:36:01,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:36:01,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:36:01,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... [2018-11-23 06:36:01,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:36:01,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:36:01,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:36:01,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:36:01,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:36:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:36:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:36:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:36:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:40:53,969 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:40:53,969 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:40:53,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:53 BoogieIcfgContainer [2018-11-23 06:40:53,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:40:53,970 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:40:53,970 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:40:53,977 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:40:53,977 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:53" (1/1) ... [2018-11-23 06:40:53,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:40:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 06:40:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 06:40:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:40:54,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:40:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 06:40:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 06:40:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:40:54,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:40:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-11-23 06:40:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-11-23 06:40:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:40:54,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:41:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2018-11-23 06:41:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2018-11-23 06:41:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:41:06,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:41:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2018-11-23 06:41:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2018-11-23 06:41:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:41:06,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:41:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:08,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-11-23 06:41:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-11-23 06:41:08,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:41:08,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:41:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2018-11-23 06:41:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2018-11-23 06:41:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:41:09,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:41:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-11-23 06:41:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-11-23 06:41:11,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:41:11,208 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-23 06:41:11,216 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:41:11,438 INFO L579 CodeCheckObserver]: Invariant with dag size 32 [2018-11-23 06:41:11,446 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-23 06:41:11,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:41:11,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:41:11 ImpRootNode [2018-11-23 06:41:11,447 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:41:11,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:41:11,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:41:11,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:41:11,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:40:53" (3/4) ... [2018-11-23 06:41:11,452 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:41:11,472 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-23 06:41:11,473 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 06:41:11,475 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:41:11,476 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:41:11,588 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef2952f3-54ae-451b-b40f-42d55bf6e38f/bin-2019/ukojak/witness.graphml [2018-11-23 06:41:11,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:41:11,589 INFO L168 Benchmark]: Toolchain (without parser) took 311092.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 387.4 MB). Free memory was 956.4 MB in the beginning and 881.5 MB in the end (delta: 74.9 MB). Peak memory consumption was 462.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,590 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:41:11,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.01 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.4 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -215.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,591 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,591 INFO L168 Benchmark]: RCFGBuilder took 292878.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.4 MB). Peak memory consumption was 550.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,591 INFO L168 Benchmark]: CodeCheck took 17477.79 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 911.2 MB in the end (delta: 168.1 MB). Peak memory consumption was 255.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,592 INFO L168 Benchmark]: Witness Printer took 140.39 ms. Allocated memory is still 1.4 GB. Free memory was 911.2 MB in the beginning and 881.5 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,593 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, 17.2s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 796 SDtfs, 1644 SDslu, 1080 SDs, 0 SdLazy, 4588 SolverSat, 780 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 52.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 915 GetRequests, 749 SyntacticMatches, 64 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6589 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 15868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 4/101 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: 154]: 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 == 7) && !(a15 == 6)) || (!(a21 == 7) && !(a21 == 10))) || (a12 <= 80 && a15 == 6)) || (!((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0) && a21 == 7)) || (a24 == 1 && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a12 <= 80 || !(a21 == 10)) || !(a15 == 6)) && !(((0 <= a12 + 49 && a15 == 8) && a21 == 7) && a12 + 49 <= 0)) || (a24 == 1 && a12 + 49 <= 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.01 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.4 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 136.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -215.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292878.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.4 MB). Peak memory consumption was 550.3 MB. Max. memory is 11.5 GB. * CodeCheck took 17477.79 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 911.2 MB in the end (delta: 168.1 MB). Peak memory consumption was 255.1 MB. Max. memory is 11.5 GB. * Witness Printer took 140.39 ms. Allocated memory is still 1.4 GB. Free memory was 911.2 MB in the beginning and 881.5 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...