./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16796b54e5e5e595ebddd1a211fd081adf88fc5e ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:28:32,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:28:32,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:28:32,261 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:28:32,264 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:28:32,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:28:32,266 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:28:32,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:28:32,269 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:28:32,270 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:28:32,270 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:28:32,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:28:32,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:28:32,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:28:32,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:28:32,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:28:32,275 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:28:32,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:28:32,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:28:32,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:28:32,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:28:32,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:28:32,286 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:28:32,287 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:28:32,287 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:28:32,289 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:28:32,290 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:28:32,291 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:28:32,291 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:28:32,292 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:28:32,292 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:28:32,293 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:28:32,293 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:28:32,293 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:28:32,294 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:28:32,295 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:28:32,295 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:28:32,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:28:32,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:28:32,307 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:28:32,307 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:28:32,307 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:28:32,307 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:28:32,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:28:32,308 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:28:32,308 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:28:32,308 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:28:32,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:28:32,308 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:28:32,308 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:28:32,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:28:32,309 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:28:32,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:28:32,309 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:28:32,309 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:28:32,309 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:28:32,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:28:32,310 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:28:32,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:28:32,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:28:32,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:28:32,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:28:32,312 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:28:32,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:28:32,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:28:32,313 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16796b54e5e5e595ebddd1a211fd081adf88fc5e [2018-10-27 00:28:32,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:28:32,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:28:32,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:28:32,351 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:28:32,351 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:28:32,352 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-10-27 00:28:32,396 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/data/60218ab72/890ffbe025e4493ab2c7543ff6993b6f/FLAG28819a746 [2018-10-27 00:28:32,846 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:28:32,846 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/sv-benchmarks/c/eca-rers2012/Problem14_label36_true-unreach-call_false-termination.c [2018-10-27 00:28:32,861 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/data/60218ab72/890ffbe025e4493ab2c7543ff6993b6f/FLAG28819a746 [2018-10-27 00:28:32,880 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/data/60218ab72/890ffbe025e4493ab2c7543ff6993b6f [2018-10-27 00:28:32,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:28:32,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:28:32,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:32,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:28:32,891 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:28:32,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:32" (1/1) ... [2018-10-27 00:28:32,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb7a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:32, skipping insertion in model container [2018-10-27 00:28:32,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:32" (1/1) ... [2018-10-27 00:28:32,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:28:32,968 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:28:33,314 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:33,322 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:28:33,448 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:33,466 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:28:33,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33 WrapperNode [2018-10-27 00:28:33,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:33,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:33,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:28:33,467 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:28:33,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:33,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:28:33,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:28:33,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:28:33,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... [2018-10-27 00:28:33,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:28:33,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:28:33,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:28:33,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:28:33,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:28:33,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:28:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:28:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:34:23,893 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:34:23,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:23 BoogieIcfgContainer [2018-10-27 00:34:23,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:34:23,894 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:34:23,894 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:34:23,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:34:23,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:23" (1/1) ... [2018-10-27 00:34:23,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:34:23,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:34:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-27 00:34:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-27 00:34:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 00:34:23,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:34:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:34:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-27 00:34:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-27 00:34:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 00:34:24,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:34:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:34:26,159 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-10-27 00:34:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:34:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-10-27 00:34:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-10-27 00:34:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 00:34:26,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:34:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:34:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:34:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:34:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-10-27 00:34:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-10-27 00:34:27,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:34:27,767 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2018-10-27 00:34:27,778 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:34:27,995 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2018-10-27 00:34:28,108 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-27 00:34:28,119 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-10-27 00:34:28,122 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:34:28,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:34:28 ImpRootNode [2018-10-27 00:34:28,124 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:34:28,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:34:28,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:34:28,125 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:34:28,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:34:23" (3/4) ... [2018-10-27 00:34:28,129 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:34:28,153 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-10-27 00:34:28,155 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 00:34:28,157 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 00:34:28,159 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:34:28,335 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cb617ef-97c6-4968-8f51-bd0ac26ca220/bin-2019/ukojak/witness.graphml [2018-10-27 00:34:28,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:34:28,337 INFO L168 Benchmark]: Toolchain (without parser) took 355454.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -101.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,338 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:34:28,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 914.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -230.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,339 INFO L168 Benchmark]: Boogie Preprocessor took 67.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,339 INFO L168 Benchmark]: RCFGBuilder took 350180.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.0 MB). Free memory was 1.1 GB in the beginning and 837.0 MB in the end (delta: 302.4 MB). Peak memory consumption was 359.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,339 INFO L168 Benchmark]: CodeCheck took 4229.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Free memory was 837.0 MB in the beginning and 1.1 GB in the end (delta: -242.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,340 INFO L168 Benchmark]: Witness Printer took 211.35 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:34:28,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 246 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 48 SDtfs, 100 SDslu, 96 SDs, 0 SdLazy, 180 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 232 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 3100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 13/17 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 148]: 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: (a12 <= 80 || !(a21 == 8)) || !(a24 == 1) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 <= 80 || !(a21 == 8)) || !(a24 == 1)) || !(a15 == 6) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 914.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 178.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -230.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 350180.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.0 MB). Free memory was 1.1 GB in the beginning and 837.0 MB in the end (delta: 302.4 MB). Peak memory consumption was 359.0 MB. Max. memory is 11.5 GB. * CodeCheck took 4229.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.9 MB). Free memory was 837.0 MB in the beginning and 1.1 GB in the end (delta: -242.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Witness Printer took 211.35 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...