./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/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 ac6fc95614e4af693eaa4f1b073012c44a5dd7d3 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:42:44,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:42:44,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:42:44,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:42:44,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:42:44,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:42:44,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:42:44,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:42:44,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:42:44,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:42:44,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:42:44,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:42:44,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:42:44,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:42:44,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:42:44,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:42:44,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:42:44,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:42:44,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:42:44,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:42:44,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:42:44,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:42:44,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:42:44,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:42:44,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:42:44,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:42:44,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:42:44,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:42:44,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:42:44,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:42:44,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:42:44,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:42:44,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:42:44,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:42:44,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:42:44,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:42:44,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:42:44,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:42:44,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:42:44,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:42:44,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:42:44,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:42:44,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:42:44,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:42:44,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:42:44,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:42:44,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:42:44,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:42:44,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:42:44,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:42:44,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:42:44,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:42:44,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:42:44,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:42:44,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:42:44,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:42:44,364 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:42:44,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:42:44,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:42:44,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:42:44,365 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:42:44,365 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:42:44,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:42:44,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:42:44,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:42:44,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:42:44,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:42:44,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:42:44,367 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:42:44,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:42:44,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:42:44,368 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_caed19fe-bb6d-44f1-8fa3-53b213717d3a/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 -> ac6fc95614e4af693eaa4f1b073012c44a5dd7d3 [2019-11-20 03:42:44,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:42:44,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:42:44,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:42:44,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:42:44,563 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:42:44,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_2.c [2019-11-20 03:42:44,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/data/2449a362a/ca4486cfc83f4030a7094fced93766ee/FLAGf5e53820e [2019-11-20 03:42:45,054 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:42:45,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/sv-benchmarks/c/loops/while_infinite_loop_2.c [2019-11-20 03:42:45,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/data/2449a362a/ca4486cfc83f4030a7094fced93766ee/FLAGf5e53820e [2019-11-20 03:42:45,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/data/2449a362a/ca4486cfc83f4030a7094fced93766ee [2019-11-20 03:42:45,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:42:45,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:42:45,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:42:45,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:42:45,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:42:45,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b3a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45, skipping insertion in model container [2019-11-20 03:42:45,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,500 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:42:45,521 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:42:45,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:42:45,757 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:42:45,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:42:45,884 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:42:45,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45 WrapperNode [2019-11-20 03:42:45,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:42:45,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:42:45,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:42:45,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:42:45,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:42:45,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:42:45,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:42:45,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:42:45,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... [2019-11-20 03:42:45,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:42:45,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:42:45,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:42:45,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:42:45,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:42:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/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 [2019-11-20 03:42:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:42:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:42:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 03:42:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 03:42:46,192 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:42:46,193 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 03:42:46,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:42:46 BoogieIcfgContainer [2019-11-20 03:42:46,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:42:46,195 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:42:46,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:42:46,206 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:42:46,207 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:42:46" (1/1) ... [2019-11-20 03:42:46,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:42:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-20 03:42:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-20 03:42:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:42:46,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:42:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:42:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 9 transitions. [2019-11-20 03:42:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-20 03:42:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:42:46,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:42:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:42:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 7 states and 7 transitions. [2019-11-20 03:42:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 03:42:46,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:42:46,672 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-11-20 03:42:46,686 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 03:42:46,717 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:42:46,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:42:46 ImpRootNode [2019-11-20 03:42:46,721 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:42:46,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:42:46,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:42:46,722 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:42:46,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:42:46" (3/4) ... [2019-11-20 03:42:46,727 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:42:46,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-11-20 03:42:46,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 03:42:46,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 03:42:46,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_caed19fe-bb6d-44f1-8fa3-53b213717d3a/bin/ukojak/witness.graphml [2019-11-20 03:42:46,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:42:46,788 INFO L168 Benchmark]: Toolchain (without parser) took 1313.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:46,788 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:46,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:46,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:46,790 INFO L168 Benchmark]: Boogie Preprocessor took 22.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:46,791 INFO L168 Benchmark]: RCFGBuilder took 244.57 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:46,792 INFO L168 Benchmark]: CodeCheck took 526.63 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:42:46,792 INFO L168 Benchmark]: Witness Printer took 64.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:42:46,795 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 2 procedures, 12 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 4 SDslu, 8 SDs, 0 SdLazy, 26 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 5]: 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: 12]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 244.57 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * CodeCheck took 526.63 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 64.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...