./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/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 1bebc36463b2e0e304b25e3a315802f5e039b1f9 .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:23:41,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:23:41,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:23:41,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:23:41,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:23:41,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:23:41,498 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:23:41,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:23:41,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:23:41,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:23:41,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:23:41,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:23:41,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:23:41,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:23:41,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:23:41,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:23:41,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:23:41,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:23:41,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:23:41,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:23:41,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:23:41,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:23:41,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:23:41,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:23:41,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:23:41,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:23:41,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:23:41,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:23:41,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:23:41,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:23:41,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:23:41,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:23:41,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:23:41,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:23:41,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:23:41,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:23:41,521 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:23:41,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:23:41,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:23:41,531 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:23:41,532 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:23:41,532 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:23:41,532 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:23:41,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:23:41,533 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:23:41,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:23:41,534 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:23:41,534 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:23:41,534 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:23:41,534 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:23:41,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:23:41,534 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:23:41,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:23:41,535 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:23:41,535 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:23:41,535 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:23:41,535 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:23:41,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:23:41,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:23:41,536 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_588b62d9-a52c-40b6-8072-b93ca23d0d04/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 -> 1bebc36463b2e0e304b25e3a315802f5e039b1f9 [2018-11-18 10:23:41,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:23:41,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:23:41,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:23:41,574 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:23:41,574 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:23:41,575 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c [2018-11-18 10:23:41,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/data/3c2ea2f98/44cea929276f4ef293986d4523cd6a5b/FLAG12f729318 [2018-11-18 10:23:42,069 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:23:42,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/sv-benchmarks/c/eca-rers2012/Problem10_label44_true-unreach-call.c [2018-11-18 10:23:42,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/data/3c2ea2f98/44cea929276f4ef293986d4523cd6a5b/FLAG12f729318 [2018-11-18 10:23:42,092 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/data/3c2ea2f98/44cea929276f4ef293986d4523cd6a5b [2018-11-18 10:23:42,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:23:42,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:23:42,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:23:42,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:23:42,099 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:23:42,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42, skipping insertion in model container [2018-11-18 10:23:42,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:23:42,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:23:42,376 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:23:42,379 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:23:42,447 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:23:42,457 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:23:42,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42 WrapperNode [2018-11-18 10:23:42,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:23:42,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:23:42,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:23:42,458 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:23:42,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:23:42,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:23:42,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:23:42,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:23:42,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... [2018-11-18 10:23:42,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:23:42,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:23:42,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:23:42,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:23:42,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:23:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/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 [2018-11-18 10:23:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:23:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:23:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:24:08,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:24:08,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:24:08 BoogieIcfgContainer [2018-11-18 10:24:08,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:24:08,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:24:08,208 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:24:08,217 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:24:08,218 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:24:08" (1/1) ... [2018-11-18 10:24:08,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:24:08,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 10:24:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 10:24:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:24:08,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 10:24:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 10:24:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:24:08,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:08,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 10:24:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 10:24:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:24:19,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2018-11-18 10:24:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2018-11-18 10:24:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:24:20,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-11-18 10:24:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-11-18 10:24:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:24:20,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-11-18 10:24:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-11-18 10:24:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:24:21,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:21,719 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:24:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-11-18 10:24:22,882 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-11-18 10:24:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:24:22,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:24:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2018-11-18 10:24:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2018-11-18 10:24:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:24:23,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:24:24,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2018-11-18 10:24:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2018-11-18 10:24:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:24:24,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:24:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2018-11-18 10:24:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2018-11-18 10:24:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:24:24,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 10:24:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2018-11-18 10:24:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2018-11-18 10:24:25,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:24:25,064 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 10:24:25,072 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:24:25,307 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-18 10:24:25,314 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 10:24:25,314 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:24:25,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:24:25 ImpRootNode [2018-11-18 10:24:25,315 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:24:25,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:24:25,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:24:25,315 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:24:25,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:24:08" (3/4) ... [2018-11-18 10:24:25,320 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:24:25,333 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 10:24:25,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 10:24:25,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:24:25,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:24:25,427 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_588b62d9-a52c-40b6-8072-b93ca23d0d04/bin-2019/ukojak/witness.graphml [2018-11-18 10:24:25,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:24:25,428 INFO L168 Benchmark]: Toolchain (without parser) took 43333.39 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 406.3 MB). Free memory was 955.4 MB in the beginning and 772.8 MB in the end (delta: 182.6 MB). Peak memory consumption was 588.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,430 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:24:25,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.80 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,431 INFO L168 Benchmark]: Boogie Preprocessor took 48.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,431 INFO L168 Benchmark]: RCFGBuilder took 25596.29 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 806.3 MB in the end (delta: 279.4 MB). Peak memory consumption was 456.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,431 INFO L168 Benchmark]: CodeCheck took 17106.76 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 119.0 MB). Free memory was 806.3 MB in the beginning and 783.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 141.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,432 INFO L168 Benchmark]: Witness Printer took 112.64 ms. Allocated memory is still 1.4 GB. Free memory was 783.9 MB in the beginning and 772.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:24:25,433 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, 207 locations, 1 error locations. SAFE Result, 16.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6660 SDtfs, 15388 SDslu, 14352 SDs, 0 SdLazy, 31842 SolverSat, 4294 SolverUnsat, 512 SolverUnknown, 0 SolverNotchecked, 93.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1587 GetRequests, 1337 SyntacticMatches, 138 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8749 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 38685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 35/197 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: 175]: 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: 582]: Loop Invariant Derived loop invariant: ((!(a19 == 8) || 39 <= a1) || ((a12 == 0 && a1 + 13 <= 0) && a4 == 14)) || !(a10 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(a10 == 1 && !(!(a19 == 8) || 39 <= a1)) || ((a12 == 0 && a4 == 14) && a1 + 13 <= 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.80 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 25596.29 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 806.3 MB in the end (delta: 279.4 MB). Peak memory consumption was 456.1 MB. Max. memory is 11.5 GB. * CodeCheck took 17106.76 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 119.0 MB). Free memory was 806.3 MB in the beginning and 783.9 MB in the end (delta: 22.4 MB). Peak memory consumption was 141.4 MB. Max. memory is 11.5 GB. * Witness Printer took 112.64 ms. Allocated memory is still 1.4 GB. Free memory was 783.9 MB in the beginning and 772.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...