./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label20_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_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/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 e270e5e3415ea982f52c61bbca04c42d8c680c74 ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:07:34,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:07:34,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:07:34,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:07:34,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:07:34,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:07:34,324 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:07:34,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:07:34,327 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:07:34,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:07:34,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:07:34,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:07:34,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:07:34,331 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:07:34,331 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:07:34,332 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:07:34,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:07:34,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:07:34,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:07:34,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:07:34,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:07:34,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:07:34,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:07:34,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:07:34,339 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:07:34,340 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:07:34,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:07:34,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:07:34,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:07:34,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:07:34,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:07:34,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:07:34,344 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:07:34,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:07:34,345 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:07:34,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:07:34,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:07:34,358 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:07:34,358 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:07:34,359 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:07:34,359 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:07:34,360 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:07:34,360 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:07:34,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:07:34,360 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:07:34,360 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:07:34,361 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:07:34,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:07:34,362 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:07:34,362 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:07:34,362 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:07:34,362 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:07:34,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:07:34,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:07:34,363 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:07:34,363 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:07:34,363 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:07:34,363 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:07:34,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:07:34,363 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_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/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 -> e270e5e3415ea982f52c61bbca04c42d8c680c74 [2018-11-10 11:07:34,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:07:34,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:07:34,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:07:34,404 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:07:34,405 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:07:34,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-11-10 11:07:34,450 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/data/7a075fff5/59230f6e79644e7fa67d3b199fd58353/FLAG63927828c [2018-11-10 11:07:34,857 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:07:34,857 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/sv-benchmarks/c/eca-rers2012/Problem14_label20_true-unreach-call_false-termination.c [2018-11-10 11:07:34,869 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/data/7a075fff5/59230f6e79644e7fa67d3b199fd58353/FLAG63927828c [2018-11-10 11:07:34,882 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/data/7a075fff5/59230f6e79644e7fa67d3b199fd58353 [2018-11-10 11:07:34,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:07:34,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:07:34,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:07:34,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:07:34,891 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:07:34,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:07:34" (1/1) ... [2018-11-10 11:07:34,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4104a14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:34, skipping insertion in model container [2018-11-10 11:07:34,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:07:34" (1/1) ... [2018-11-10 11:07:34,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:07:34,953 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:07:35,249 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:07:35,253 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:07:35,349 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:07:35,363 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:07:35,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35 WrapperNode [2018-11-10 11:07:35,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:07:35,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:07:35,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:07:35,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:07:35,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:07:35,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:07:35,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:07:35,506 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:07:35,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... [2018-11-10 11:07:35,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:07:35,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:07:35,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:07:35,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:07:35,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:07:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:07:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:07:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:07:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:13:59,444 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:13:59,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:13:59 BoogieIcfgContainer [2018-11-10 11:13:59,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:13:59,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:13:59,446 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:13:59,456 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:13:59,457 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:13:59" (1/1) ... [2018-11-10 11:13:59,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:13:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:13:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:13:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:13:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:13:59,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:13:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:13:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:13:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:13:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 11:13:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 11:13:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:13:59,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:13:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-10 11:14:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-10 11:14:00,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:14:00,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:14:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-11-10 11:14:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-11-10 11:14:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:14:01,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:14:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-10 11:14:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-10 11:14:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:14:02,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:14:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:03,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-10 11:14:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-10 11:14:03,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:14:03,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:14:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2018-11-10 11:14:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2018-11-10 11:14:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:14:04,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:14:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-11-10 11:14:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-11-10 11:14:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:14:17,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:14:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:14:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:14:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:14:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-11-10 11:14:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-11-10 11:14:18,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:14:18,961 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-10 11:14:18,970 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:14:19,144 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 11:14:19,153 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-11-10 11:14:19,154 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:14:19,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:14:19 ImpRootNode [2018-11-10 11:14:19,155 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:14:19,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:14:19,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:14:19,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:14:19,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:13:59" (3/4) ... [2018-11-10 11:14:19,161 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:14:19,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 11:14:19,180 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 11:14:19,182 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:14:19,183 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:14:19,305 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6fc2fd5-00b2-4368-80c4-2e2b8eb7bb53/bin-2019/ukojak/witness.graphml [2018-11-10 11:14:19,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:14:19,306 INFO L168 Benchmark]: Toolchain (without parser) took 404420.39 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 535.3 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 304.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:14:19,308 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:14:19,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 915.2 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:14:19,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -221.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:14:19,309 INFO L168 Benchmark]: Boogie Preprocessor took 63.05 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. [2018-11-10 11:14:19,309 INFO L168 Benchmark]: RCFGBuilder took 383875.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 260.6 MB). Peak memory consumption was 386.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:14:19,310 INFO L168 Benchmark]: CodeCheck took 19709.43 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 350.7 MB). Free memory was 871.2 MB in the beginning and 1.2 GB in the end (delta: -350.3 MB). Peak memory consumption was 440.0 kB. Max. memory is 11.5 GB. [2018-11-10 11:14:19,311 INFO L168 Benchmark]: Witness Printer took 150.46 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:14:19,313 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, 19.4s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1768 SDtfs, 4370 SDslu, 4000 SDs, 0 SdLazy, 8506 SolverSat, 1452 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1241 GetRequests, 1066 SyntacticMatches, 95 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5439 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 33540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/176 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: 184]: 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: !(6 == a15) || ((a21 == 6 || a21 == 10) || a21 == 8) || a21 == 9 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a21 == 6 || a21 == 10) || a21 == 8) || a21 == 9) || !(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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 915.2 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -221.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.05 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 383875.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 260.6 MB). Peak memory consumption was 386.0 MB. Max. memory is 11.5 GB. * CodeCheck took 19709.43 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 350.7 MB). Free memory was 871.2 MB in the beginning and 1.2 GB in the end (delta: -350.3 MB). Peak memory consumption was 440.0 kB. Max. memory is 11.5 GB. * Witness Printer took 150.46 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...