./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label38_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_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label38_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/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 1c0111291159f315d33314476dea002ae045da84 .................................................................................................................................................................................................................................................................................. 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 06:44:46,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:44:46,937 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:44:46,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:44:46,945 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:44:46,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:44:46,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:44:46,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:44:46,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:44:46,949 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:44:46,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:44:46,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:44:46,950 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:44:46,951 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:44:46,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:44:46,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:44:46,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:44:46,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:44:46,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:44:46,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:44:46,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:44:46,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:44:46,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:44:46,959 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:44:46,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:44:46,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:44:46,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:44:46,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:44:46,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:44:46,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:44:46,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:44:46,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:44:46,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:44:46,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:44:46,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:44:46,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:44:46,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:44:46,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:44:46,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:44:46,976 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:44:46,976 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:44:46,977 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:44:46,977 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:44:46,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:44:46,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:44:46,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:44:46,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:44:46,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:44:46,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:44:46,978 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:44:46,978 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:44:46,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:44:46,979 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:44:46,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:44:46,979 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:44:46,979 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:44:46,979 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:44:46,979 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:44:46,979 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:44:46,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:44:46,980 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_4a612326-a66f-481b-bbe6-8b4b61fbb538/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 -> 1c0111291159f315d33314476dea002ae045da84 [2018-11-23 06:44:47,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:44:47,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:44:47,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:44:47,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:44:47,014 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:44:47,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-23 06:44:47,050 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/data/56d768d7b/062b8f0cd1854233980122990774fcef/FLAG5ebaed90b [2018-11-23 06:44:47,397 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:44:47,398 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/sv-benchmarks/c/eca-rers2012/Problem10_label38_true-unreach-call.c [2018-11-23 06:44:47,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/data/56d768d7b/062b8f0cd1854233980122990774fcef/FLAG5ebaed90b [2018-11-23 06:44:47,418 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/data/56d768d7b/062b8f0cd1854233980122990774fcef [2018-11-23 06:44:47,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:44:47,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:44:47,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:44:47,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:44:47,425 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:44:47,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47, skipping insertion in model container [2018-11-23 06:44:47,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:44:47,473 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:44:47,723 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:44:47,726 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:44:47,797 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:44:47,809 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:44:47,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47 WrapperNode [2018-11-23 06:44:47,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:44:47,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:44:47,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:44:47,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:44:47,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:44:47,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:44:47,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:44:47,920 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:44:47,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... [2018-11-23 06:44:47,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:44:47,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:44:47,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:44:47,968 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:44:47,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/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 06:44:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:44:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:44:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:46:03,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:46:03,898 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:46:03,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:46:03 BoogieIcfgContainer [2018-11-23 06:46:03,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:46:03,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:46:03,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:46:03,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:46:03,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:46:03" (1/1) ... [2018-11-23 06:46:03,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:46:03,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 06:46:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 06:46:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:46:03,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:04,196 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 06:46:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 06:46:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 06:46:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:46:10,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:10,597 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 06:46:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-11-23 06:46:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-11-23 06:46:10,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:46:10,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:11,129 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 06:46:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-11-23 06:46:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-11-23 06:46:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:46:21,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:21,790 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 06:46:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2018-11-23 06:46:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2018-11-23 06:46:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:46:21,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:22,191 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 06:46:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-11-23 06:46:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-11-23 06:46:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:46:22,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:22,797 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 06:46:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2018-11-23 06:46:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2018-11-23 06:46:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:46:23,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:23,899 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 06:46:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2018-11-23 06:46:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2018-11-23 06:46:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:46:24,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:24,522 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 06:46:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2018-11-23 06:46:24,627 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2018-11-23 06:46:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:46:24,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 06:46:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2018-11-23 06:46:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2018-11-23 06:46:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:46:26,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 06:46:37,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-11-23 06:46:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-11-23 06:46:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:46:37,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:46:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:46:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 06:46:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:46:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2018-11-23 06:46:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2018-11-23 06:46:37,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:46:37,612 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-23 06:46:37,618 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:46:37,755 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 06:46:37,763 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-23 06:46:37,764 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:46:37,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:46:37 ImpRootNode [2018-11-23 06:46:37,765 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:46:37,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:46:37,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:46:37,765 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:46:37,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:46:03" (3/4) ... [2018-11-23 06:46:37,769 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:46:37,783 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 06:46:37,784 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 06:46:37,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:46:37,785 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:46:37,876 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4a612326-a66f-481b-bbe6-8b4b61fbb538/bin-2019/ukojak/witness.graphml [2018-11-23 06:46:37,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:46:37,877 INFO L168 Benchmark]: Toolchain (without parser) took 110456.06 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 453.0 MB). Free memory was 951.2 MB in the beginning and 832.1 MB in the end (delta: 119.1 MB). Peak memory consumption was 572.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,878 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:46:37,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -228.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,879 INFO L168 Benchmark]: Boogie Preprocessor took 47.97 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,879 INFO L168 Benchmark]: RCFGBuilder took 75930.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 824.3 MB in the end (delta: 316.8 MB). Peak memory consumption was 497.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,880 INFO L168 Benchmark]: CodeCheck took 33865.84 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 113.8 MB). Free memory was 824.3 MB in the beginning and 854.6 MB in the end (delta: -30.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,880 INFO L168 Benchmark]: Witness Printer took 111.62 ms. Allocated memory is still 1.5 GB. Free memory was 854.6 MB in the beginning and 832.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:46:37,881 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, 33.6s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12236 SDtfs, 24508 SDslu, 16280 SDs, 0 SdLazy, 72238 SolverSat, 9418 SolverUnsat, 516 SolverUnknown, 0 SolverNotchecked, 180.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1719 GetRequests, 1479 SyntacticMatches, 82 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13308 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 32584 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 36/204 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: 100]: 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: ((!(a19 == 7) && a12 == 0) && a4 == 14) || (((a10 == 2 || a10 == 1) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && ((a10 == 2 || a10 == 1) || a19 <= 6)) && a4 == 14) || ((a12 == 0 && (a19 == 8 || 9 <= a19)) && a4 == 14) - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -228.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.97 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 75930.38 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 824.3 MB in the end (delta: 316.8 MB). Peak memory consumption was 497.2 MB. Max. memory is 11.5 GB. * CodeCheck took 33865.84 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 113.8 MB). Free memory was 824.3 MB in the beginning and 854.6 MB in the end (delta: -30.3 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. * Witness Printer took 111.62 ms. Allocated memory is still 1.5 GB. Free memory was 854.6 MB in the beginning and 832.1 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...