./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.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_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/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 e2b1b3074ba1970495a934bff93d8ae3ffe89d9a ............................................................................................................................................................................................................................................................. 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 15:05:09,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:05:09,431 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:05:09,437 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:05:09,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:05:09,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:05:09,439 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:05:09,441 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:05:09,442 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:05:09,443 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:05:09,443 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:05:09,444 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:05:09,444 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:05:09,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:05:09,446 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:05:09,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:05:09,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:05:09,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:05:09,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:05:09,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:05:09,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:05:09,454 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:05:09,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:05:09,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:05:09,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:05:09,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:05:09,457 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:05:09,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:05:09,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:05:09,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:05:09,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:05:09,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:05:09,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:05:09,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:05:09,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:05:09,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:05:09,462 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:05:09,469 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:05:09,469 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:05:09,470 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:05:09,470 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:05:09,471 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:05:09,471 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:05:09,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:05:09,472 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:05:09,473 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:05:09,473 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:05:09,473 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:05:09,473 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:05:09,473 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:05:09,473 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:05:09,473 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:05:09,474 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:05:09,474 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:05:09,474 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:05:09,474 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:05:09,474 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:05:09,474 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:05:09,474 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:05:09,475 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:05:09,475 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_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/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 -> e2b1b3074ba1970495a934bff93d8ae3ffe89d9a [2018-11-18 15:05:09,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:05:09,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:05:09,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:05:09,516 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:05:09,516 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:05:09,517 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-11-18 15:05:09,563 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/data/66ddc911c/ac412adac86b4c139ce5e12e74bed9bc/FLAG84bbbbf44 [2018-11-18 15:05:09,931 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:05:09,932 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/sv-benchmarks/c/eca-rers2012/Problem14_label23_true-unreach-call_false-termination.c [2018-11-18 15:05:09,942 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/data/66ddc911c/ac412adac86b4c139ce5e12e74bed9bc/FLAG84bbbbf44 [2018-11-18 15:05:09,954 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/data/66ddc911c/ac412adac86b4c139ce5e12e74bed9bc [2018-11-18 15:05:09,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:05:09,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:05:09,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:05:09,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:05:09,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:05:09,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:05:09" (1/1) ... [2018-11-18 15:05:09,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:09, skipping insertion in model container [2018-11-18 15:05:09,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:05:09" (1/1) ... [2018-11-18 15:05:09,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:05:10,016 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:05:10,291 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:05:10,295 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:05:10,382 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:05:10,395 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:05:10,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10 WrapperNode [2018-11-18 15:05:10,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:05:10,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:05:10,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:05:10,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:05:10,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:05:10,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:05:10,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:05:10,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:05:10,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:05:10,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:05:10,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:05:10,583 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:05:10,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/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 15:05:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:05:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:05:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:09:11,314 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:09:11,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:09:11 BoogieIcfgContainer [2018-11-18 15:09:11,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:09:11,315 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:09:11,315 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:09:11,323 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:09:11,323 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:09:11" (1/1) ... [2018-11-18 15:09:11,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 15:09:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 15:09:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:09:11,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:11,510 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 15:09:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 15:09:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 15:09:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:09:11,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:11,969 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 15:09:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 15:09:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 15:09:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:09:12,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:12,875 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 15:09:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-11-18 15:09:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-11-18 15:09:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:09:13,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:13,855 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 15:09:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-18 15:09:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-18 15:09:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:09:14,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:09:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2018-11-18 15:09:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2018-11-18 15:09:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:09:26,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:09:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2018-11-18 15:09:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2018-11-18 15:09:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:09:28,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:09:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2018-11-18 15:09:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2018-11-18 15:09:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:09:39,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:09:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 15:09:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:09:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2018-11-18 15:09:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2018-11-18 15:09:50,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:09:50,104 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-18 15:09:50,110 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:09:50,392 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 15:09:50,400 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 15:09:50,400 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:09:50,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:09:50 ImpRootNode [2018-11-18 15:09:50,401 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:09:50,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:09:50,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:09:50,401 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:09:50,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:09:11" (3/4) ... [2018-11-18 15:09:50,404 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:09:50,421 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 15:09:50,422 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 15:09:50,423 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:09:50,425 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:09:50,532 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb75b4e8-efd5-4a66-b432-f94eacadeeaf/bin-2019/ukojak/witness.graphml [2018-11-18 15:09:50,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:09:50,533 INFO L168 Benchmark]: Toolchain (without parser) took 280575.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 340.3 MB). Free memory was 955.5 MB in the beginning and 994.8 MB in the end (delta: -39.4 MB). Peak memory consumption was 300.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,534 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-18 15:09:50,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.14 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 915.2 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,535 INFO L168 Benchmark]: Boogie Preprocessor took 54.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,535 INFO L168 Benchmark]: RCFGBuilder took 240731.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 184.5 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,536 INFO L168 Benchmark]: CodeCheck took 39085.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 900.6 MB in the beginning and 1.0 GB in the end (delta: -122.8 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,536 INFO L168 Benchmark]: Witness Printer took 131.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 994.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:09:50,538 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, 38.7s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1848 SDtfs, 4376 SDslu, 4320 SDs, 0 SdLazy, 9888 SolverSat, 1510 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 74.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1299 GetRequests, 1120 SyntacticMatches, 83 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6505 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 43490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 46/157 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: 100]: 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: ((0 <= a12 + 42 || !(a24 == 1)) || !(a15 == 6)) || !(a21 == 10) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(a15 == 6) || 0 < a12 + 43 || !(a21 == 10)) || !(a24 == 1) - 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 0.17 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 437.14 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 915.2 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.41 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 240731.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 184.5 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. * CodeCheck took 39085.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.3 MB). Free memory was 900.6 MB in the beginning and 1.0 GB in the end (delta: -122.8 MB). Peak memory consumption was 78.5 MB. Max. memory is 11.5 GB. * Witness Printer took 131.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 994.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...