./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b840f75fc867ba63f78865f2888fe33f8c0f62a ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:38:39,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:38:39,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:38:39,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:38:39,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:38:39,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:38:39,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:38:39,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:38:39,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:38:39,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:38:39,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:38:39,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:38:39,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:38:39,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:38:39,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:38:39,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:38:39,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:38:39,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:38:39,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:38:39,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:38:39,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:38:39,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:38:39,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:38:39,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:38:39,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:38:39,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:38:39,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:38:39,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:38:39,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:38:39,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:38:39,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:38:39,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:38:39,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:38:39,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:38:39,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:38:39,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:38:39,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:38:39,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:38:39,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:38:39,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:38:39,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:38:39,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:38:39,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:38:39,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:38:39,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:38:39,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:38:39,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:38:39,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:38:39,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:38:39,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:38:39,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:38:39,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:38:39,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:38:39,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:38:39,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:38:39,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:38:39,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:38:39,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:38:39,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:38:39,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:38:39,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:38:39,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:38:39,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:38:39,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:38:39,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:38:39,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:38:39,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:38:39,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:38:39,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:38:39,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:38:39,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:38:39,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b840f75fc867ba63f78865f2888fe33f8c0f62a [2020-11-29 21:38:39,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:38:39,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:38:39,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:38:39,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:38:39,979 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:38:39,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2020-11-29 21:38:40,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/data/ac71b276b/1941b9c9e43148709dada7b69b69a930/FLAGf44a74331 [2020-11-29 21:38:40,686 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:38:40,687 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2020-11-29 21:38:40,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/data/ac71b276b/1941b9c9e43148709dada7b69b69a930/FLAGf44a74331 [2020-11-29 21:38:40,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/data/ac71b276b/1941b9c9e43148709dada7b69b69a930 [2020-11-29 21:38:40,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:38:40,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:38:40,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:38:40,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:38:40,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:38:40,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:38:40" (1/1) ... [2020-11-29 21:38:40,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356a6f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:40, skipping insertion in model container [2020-11-29 21:38:40,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:38:40" (1/1) ... [2020-11-29 21:38:40,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:38:41,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:38:41,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:38:41,722 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:38:41,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:38:41,943 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:38:41,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41 WrapperNode [2020-11-29 21:38:41,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:38:41,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:38:41,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:38:41,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:38:41,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:41,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:38:42,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:38:42,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:38:42,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:38:42,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... [2020-11-29 21:38:42,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:38:42,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:38:42,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:38:42,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:38:42,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:38:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/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 [2020-11-29 21:38:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:38:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:38:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:38:42,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:39:47,034 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:39:47,035 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 21:39:47,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:39:47 BoogieIcfgContainer [2020-11-29 21:39:47,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:39:47,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:39:47,039 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:39:47,053 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:39:47,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:39:47" (1/1) ... [2020-11-29 21:39:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:39:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-29 21:39:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-29 21:39:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 21:39:47,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:47,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-11-29 21:39:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-29 21:39:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 21:39:47,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:39:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-11-29 21:39:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-11-29 21:39:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:48,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:39:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2020-11-29 21:39:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2020-11-29 21:39:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:39:51,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:39:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-11-29 21:39:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-11-29 21:39:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:39:52,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:39:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:39:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:39:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:39:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2020-11-29 21:39:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2020-11-29 21:39:53,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:39:53,799 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-29 21:39:53,805 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:39:54,065 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-11-29 21:39:54,170 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2020-11-29 21:39:54,227 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-11-29 21:39:54,241 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:39:54,241 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2020-11-29 21:39:54,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:39:54 ImpRootNode [2020-11-29 21:39:54,247 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:39:54,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:39:54,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:39:54,249 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:39:54,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:39:47" (3/4) ... [2020-11-29 21:39:54,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:39:54,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2020-11-29 21:39:54,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 21:39:54,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 21:39:54,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-29 21:39:54,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83de9596-b6b5-4451-89c4-0bb44cf09f65/bin/ukojak/witness.graphml [2020-11-29 21:39:54,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:39:54,497 INFO L168 Benchmark]: Toolchain (without parser) took 73540.76 ms. Allocated memory was 81.8 MB in the beginning and 161.5 MB in the end (delta: 79.7 MB). Free memory was 48.6 MB in the beginning and 50.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,498 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory was 29.0 MB in the beginning and 28.9 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:39:54,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 985.13 ms. Allocated memory is still 81.8 MB. Free memory was 48.5 MB in the beginning and 42.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.67 ms. Allocated memory is still 81.8 MB. Free memory was 42.7 MB in the beginning and 34.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,499 INFO L168 Benchmark]: Boogie Preprocessor took 88.65 ms. Allocated memory is still 81.8 MB. Free memory was 34.7 MB in the beginning and 29.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,500 INFO L168 Benchmark]: RCFGBuilder took 64878.25 ms. Allocated memory was 81.8 MB in the beginning and 161.5 MB in the end (delta: 79.7 MB). Free memory was 29.8 MB in the beginning and 62.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,500 INFO L168 Benchmark]: CodeCheck took 7208.76 ms. Allocated memory is still 161.5 MB. Free memory was 62.4 MB in the beginning and 67.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,501 INFO L168 Benchmark]: Witness Printer took 247.03 ms. Allocated memory is still 161.5 MB. Free memory was 66.0 MB in the beginning and 50.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:39:54,503 INFO L339 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 192 SDtfs, 368 SDslu, 256 SDs, 0 SdLazy, 982 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 523 GetRequests, 459 SyntacticMatches, 20 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 6304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 18/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: 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: 592]: Loop Invariant Derived loop invariant: ((14 == a4 && 7 <= a19) && a12 == 0) || ((14 == a4 && ((!(a10 == 1) || a1 <= 215) || a19 <= 5)) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!(a10 == 1) || a1 <= 218) || !(a19 == 6)) && 14 == a4) && a12 == 0) && ((0 < a1 + 13 || !(a10 == 0)) || !(a19 == 6)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 67.1 MB. Free memory was 29.0 MB in the beginning and 28.9 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 985.13 ms. Allocated memory is still 81.8 MB. Free memory was 48.5 MB in the beginning and 42.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.67 ms. Allocated memory is still 81.8 MB. Free memory was 42.7 MB in the beginning and 34.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.65 ms. Allocated memory is still 81.8 MB. Free memory was 34.7 MB in the beginning and 29.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 64878.25 ms. Allocated memory was 81.8 MB in the beginning and 161.5 MB in the end (delta: 79.7 MB). Free memory was 29.8 MB in the beginning and 62.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. * CodeCheck took 7208.76 ms. Allocated memory is still 161.5 MB. Free memory was 62.4 MB in the beginning and 67.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. * Witness Printer took 247.03 ms. Allocated memory is still 161.5 MB. Free memory was 66.0 MB in the beginning and 50.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...