./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.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_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/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 1bebc36463b2e0e304b25e3a315802f5e039b1f9 ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:49:22,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:49:22,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:49:22,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:49:22,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:49:22,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:49:22,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:49:22,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:49:22,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:49:22,893 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:49:22,894 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:49:22,894 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:49:22,895 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:49:22,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:49:22,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:49:22,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:49:22,897 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:49:22,898 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:49:22,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:49:22,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:49:22,901 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:49:22,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:49:22,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:49:22,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:49:22,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:49:22,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:49:22,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:49:22,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:49:22,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:49:22,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:49:22,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:49:22,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:49:22,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:49:22,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:49:22,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:49:22,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:49:22,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 21:49:22,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:49:22,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:49:22,916 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:49:22,916 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:49:22,917 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:49:22,917 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:49:22,917 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:49:22,917 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:49:22,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:49:22,919 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:49:22,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:49:22,919 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:49:22,919 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:49:22,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:49:22,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:49:22,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:49:22,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:49:22,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:49:22,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:49:22,920 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:49:22,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:49:22,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:49:22,920 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_effddc92-934a-41bb-a7ce-457d0774463a/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 -> 1bebc36463b2e0e304b25e3a315802f5e039b1f9 [2018-11-22 21:49:22,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:49:22,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:49:22,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:49:22,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:49:22,958 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:49:22,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c [2018-11-22 21:49:23,004 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/data/bfc22a027/1ca563793aa743f9b7a9d48a12987f6c/FLAG3421be374 [2018-11-22 21:49:23,453 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:49:23,453 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c [2018-11-22 21:49:23,463 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/data/bfc22a027/1ca563793aa743f9b7a9d48a12987f6c/FLAG3421be374 [2018-11-22 21:49:23,477 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/data/bfc22a027/1ca563793aa743f9b7a9d48a12987f6c [2018-11-22 21:49:23,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:49:23,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:49:23,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:49:23,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:49:23,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:49:23,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23, skipping insertion in model container [2018-11-22 21:49:23,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:49:23,526 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:49:23,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:49:23,747 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:49:23,813 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:49:23,826 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:49:23,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23 WrapperNode [2018-11-22 21:49:23,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:49:23,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:49:23,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:49:23,827 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:49:23,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:49:23,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:49:23,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:49:23,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:49:23,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... [2018-11-22 21:49:23,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:49:23,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:49:23,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:49:23,978 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:49:23,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:49:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/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 [2018-11-22 21:49:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 21:49:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:49:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:50:41,360 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:50:41,360 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 21:50:41,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:50:41 BoogieIcfgContainer [2018-11-22 21:50:41,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:50:41,361 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:50:41,361 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:50:41,433 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:50:41,433 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:50:41" (1/1) ... [2018-11-22 21:50:41,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:50:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-22 21:50:41,487 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-22 21:50:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 21:50:41,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:50:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-22 21:50:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-22 21:50:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 21:50:41,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:50:42,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-22 21:50:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-22 21:50:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 21:50:42,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:50:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2018-11-22 21:50:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2018-11-22 21:50:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 21:50:53,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:50:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-11-22 21:50:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-11-22 21:50:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 21:50:53,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:50:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2018-11-22 21:50:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2018-11-22 21:50:55,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:50:55,087 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-22 21:50:55,093 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 21:50:55,299 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-22 21:50:55,306 INFO L579 CodeCheckObserver]: Invariant with dag size 53 [2018-11-22 21:50:55,308 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:55,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:50:55 ImpRootNode [2018-11-22 21:50:55,309 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:50:55,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:50:55,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:50:55,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:50:55,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:50:41" (3/4) ... [2018-11-22 21:50:55,313 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:50:55,329 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-22 21:50:55,330 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-22 21:50:55,330 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 21:50:55,331 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:50:55,413 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_effddc92-934a-41bb-a7ce-457d0774463a/bin-2019/ukojak/witness.graphml [2018-11-22 21:50:55,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:50:55,414 INFO L168 Benchmark]: Toolchain (without parser) took 91934.24 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 423.6 MB). Free memory was 951.1 MB in the beginning and 978.8 MB in the end (delta: -27.7 MB). Peak memory consumption was 395.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:55,415 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-22 21:50:55,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.17 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:55,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -227.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:55,415 INFO L168 Benchmark]: Boogie Preprocessor took 45.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:55,416 INFO L168 Benchmark]: RCFGBuilder took 77382.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 826.7 MB in the end (delta: 307.8 MB). Peak memory consumption was 493.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:55,416 INFO L168 Benchmark]: CodeCheck took 13947.81 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 82.3 MB). Free memory was 826.7 MB in the beginning and 999.4 MB in the end (delta: -172.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:50:55,416 INFO L168 Benchmark]: Witness Printer took 104.34 ms. Allocated memory is still 1.5 GB. Free memory was 999.4 MB in the beginning and 978.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:55,418 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, 206 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 412 SDslu, 256 SDs, 0 SdLazy, 1202 SolverSat, 186 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 31.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 467 SyntacticMatches, 27 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2537 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 10348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 5/44 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: 175]: 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: (!(a10 == 1) || !(a19 == 8) || 39 <= a1) || a1 + 13 <= 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((38 < a1 || !(a10 == 1)) || a1 + 13 <= 0) && !((23 <= a1 && a1 <= 38) && a19 == 9)) || (((a10 == 2 || !(a19 == 8)) || 331505 <= a1) && !(a12 == 0 && a4 == 14))) || (((a10 == 2 || !(a19 == 8)) || 331505 <= a1) && !(a10 == 0))) || (a10 == 0 && ((((2 == input || 4 == input) || 3 == input) || 6 == input) || 5 == input)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 346.17 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 913.4 MB in the beginning and 1.1 GB in the end (delta: -227.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 77382.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 826.7 MB in the end (delta: 307.8 MB). Peak memory consumption was 493.9 MB. Max. memory is 11.5 GB. * CodeCheck took 13947.81 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 82.3 MB). Free memory was 826.7 MB in the beginning and 999.4 MB in the end (delta: -172.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 104.34 ms. Allocated memory is still 1.5 GB. Free memory was 999.4 MB in the beginning and 978.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...