./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/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 19252d9b977a1b2caf6b350b292ab440fef944ce ............................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 14:52:58,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:52:58,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:52:58,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:52:58,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:52:58,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:52:58,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:52:58,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:52:58,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:52:58,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:52:58,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:52:58,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:52:58,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:52:58,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:52:58,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:52:58,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:52:58,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:52:58,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:52:58,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:52:58,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:52:58,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:52:58,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:52:58,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:52:58,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:52:58,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:52:58,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:52:58,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:52:58,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:52:58,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:52:58,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:52:58,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:52:58,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:52:58,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:52:58,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:52:58,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:52:58,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:52:58,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:52:58,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:52:58,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:52:58,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:52:58,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:52:58,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 14:52:58,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:52:58,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:52:58,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 14:52:58,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 14:52:58,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:52:58,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:52:58,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:52:58,342 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 14:52:58,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 14:52:58,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:52:58,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 14:52:58,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:52:58,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:52:58,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:52:58,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:52:58,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:52:58,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:52:58,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:52:58,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 14:52:58,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:52:58,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:52:58,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 14:52:58,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_91adbe15-f196-4339-ba4a-4dbac8baba3b/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(__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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2019-12-01 14:52:58,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:52:58,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:52:58,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:52:58,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:52:58,455 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:52:58,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2019-12-01 14:52:58,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/data/2fcd4abf7/1b9e0cd90a224873b589ce27c5de017e/FLAG4c18cc78c [2019-12-01 14:52:58,951 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:52:58,951 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2019-12-01 14:52:58,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/data/2fcd4abf7/1b9e0cd90a224873b589ce27c5de017e/FLAG4c18cc78c [2019-12-01 14:52:59,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/data/2fcd4abf7/1b9e0cd90a224873b589ce27c5de017e [2019-12-01 14:52:59,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:52:59,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:52:59,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:52:59,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:52:59,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:52:59,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3272d5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59, skipping insertion in model container [2019-12-01 14:52:59,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:52:59,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:52:59,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:52:59,632 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:52:59,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:52:59,710 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:52:59,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59 WrapperNode [2019-12-01 14:52:59,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:52:59,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:52:59,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:52:59,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:52:59,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:52:59,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:52:59,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:52:59,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:52:59,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... [2019-12-01 14:52:59,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:52:59,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:52:59,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:52:59,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:52:59,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:52:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/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 [2019-12-01 14:52:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:52:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:59:24,190 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:59:24,190 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 14:59:24,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:59:24 BoogieIcfgContainer [2019-12-01 14:59:24,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:59:24,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:59:24,192 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:59:24,198 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:59:24,199 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:59:24" (1/1) ... [2019-12-01 14:59:24,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:59:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:59:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 14:59:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 14:59:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 14:59:24,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:59:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:59:24,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:59:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:59:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 14:59:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 14:59:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 14:59:24,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:59:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:59:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:59:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:59:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2019-12-01 14:59:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2019-12-01 14:59:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 14:59:25,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:59:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:59:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:59:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:59:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2019-12-01 14:59:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2019-12-01 14:59:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 14:59:25,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:59:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:59:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:59:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:59:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2019-12-01 14:59:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2019-12-01 14:59:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 14:59:27,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:59:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:59:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 14:59:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:59:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2019-12-01 14:59:28,072 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2019-12-01 14:59:28,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 14:59:28,073 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-01 14:59:28,081 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 14:59:28,245 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 14:59:28,254 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-01 14:59:28,254 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:59:28,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:59:28 ImpRootNode [2019-12-01 14:59:28,255 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:59:28,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:59:28,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:59:28,256 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:59:28,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:59:24" (3/4) ... [2019-12-01 14:59:28,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 14:59:28,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2019-12-01 14:59:28,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 14:59:28,283 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-01 14:59:28,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 14:59:28,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_91adbe15-f196-4339-ba4a-4dbac8baba3b/bin/ukojak/witness.graphml [2019-12-01 14:59:28,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:59:28,411 INFO L168 Benchmark]: Toolchain (without parser) took 389136.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 934.0 MB in the beginning and 856.2 MB in the end (delta: 77.8 MB). Peak memory consumption was 297.5 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,411 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:59:28,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,412 INFO L168 Benchmark]: Boogie Preprocessor took 54.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,413 INFO L168 Benchmark]: RCFGBuilder took 384361.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.0 GB in the beginning and 862.5 MB in the end (delta: 183.5 MB). Peak memory consumption was 350.0 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,413 INFO L168 Benchmark]: CodeCheck took 4063.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 862.5 MB in the beginning and 886.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,413 INFO L168 Benchmark]: Witness Printer took 154.02 ms. Allocated memory is still 1.2 GB. Free memory was 886.3 MB in the beginning and 856.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-12-01 14:59:28,415 INFO L335 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. Result: SAFE, OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 334 SDslu, 216 SDs, 0 SdLazy, 966 SolverSat, 184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 432 SyntacticMatches, 19 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 5996 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((!(a21 == 6) || !(a24 == 1)) || !(a15 == 7)) || a12 <= 11) || 80 < a12 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a21 == 6) || !(a24 == 1)) || !(a15 == 7)) || a12 <= 11) || 80 < a12 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 432.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 384361.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.0 GB in the beginning and 862.5 MB in the end (delta: 183.5 MB). Peak memory consumption was 350.0 MB. Max. memory is 11.5 GB. * CodeCheck took 4063.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 862.5 MB in the beginning and 886.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * Witness Printer took 154.02 ms. Allocated memory is still 1.2 GB. Free memory was 886.3 MB in the beginning and 856.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...