./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label09_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label09_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/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 bd67834e8971a579ed0a849416006fd592ec6188 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:36:20,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:36:20,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:36:20,453 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:36:20,453 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:36:20,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:36:20,454 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:36:20,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:36:20,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:36:20,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:36:20,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:36:20,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:36:20,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:36:20,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:36:20,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:36:20,458 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:36:20,459 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:36:20,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:36:20,461 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:36:20,461 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:36:20,462 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:36:20,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:36:20,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:36:20,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:36:20,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:36:20,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:36:20,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:36:20,465 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:36:20,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:36:20,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:36:20,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:36:20,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:36:20,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:36:20,467 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:36:20,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:36:20,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:36:20,468 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 04:36:20,475 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:36:20,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:36:20,475 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:36:20,475 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 04:36:20,476 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:36:20,476 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:36:20,476 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:36:20,476 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:36:20,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:36:20,476 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:36:20,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:36:20,477 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:36:20,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:36:20,477 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:36:20,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:36:20,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:36:20,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:36:20,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:36:20,478 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 04:36:20,478 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:36:20,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:36:20,478 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_24982250-5184-4262-a655-8d6248166b03/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 -> bd67834e8971a579ed0a849416006fd592ec6188 [2018-12-02 04:36:20,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:36:20,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:36:20,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:36:20,508 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:36:20,508 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:36:20,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label09_true-unreach-call.c [2018-12-02 04:36:20,545 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/data/173d10e2f/370e2d4504d04bf69b983f64264cfe2b/FLAG5ff1d9b32 [2018-12-02 04:36:21,007 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:36:21,007 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/sv-benchmarks/c/eca-rers2012/Problem10_label09_true-unreach-call.c [2018-12-02 04:36:21,013 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/data/173d10e2f/370e2d4504d04bf69b983f64264cfe2b/FLAG5ff1d9b32 [2018-12-02 04:36:21,022 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/data/173d10e2f/370e2d4504d04bf69b983f64264cfe2b [2018-12-02 04:36:21,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:36:21,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:36:21,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:36:21,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:36:21,027 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:36:21,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21, skipping insertion in model container [2018-12-02 04:36:21,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:36:21,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:36:21,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:36:21,230 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:36:21,336 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:36:21,349 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:36:21,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21 WrapperNode [2018-12-02 04:36:21,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:36:21,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:36:21,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:36:21,351 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:36:21,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:36:21,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:36:21,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:36:21,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:36:21,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... [2018-12-02 04:36:21,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:36:21,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:36:21,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:36:21,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:36:21,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:36:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/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 [2018-12-02 04:36:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:36:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:36:52,483 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:36:52,483 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 04:36:52,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:52 BoogieIcfgContainer [2018-12-02 04:36:52,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:36:52,484 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:36:52,484 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:36:52,490 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:36:52,490 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:52" (1/1) ... [2018-12-02 04:36:52,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:36:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 04:36:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 04:36:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 04:36:52,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:36:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 04:36:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 04:36:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:36:52,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:36:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2018-12-02 04:36:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2018-12-02 04:36:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 04:36:53,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:36:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2018-12-02 04:36:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2018-12-02 04:36:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 04:36:54,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:36:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:54,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-12-02 04:36:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-12-02 04:36:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 04:36:54,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:36:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2018-12-02 04:36:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2018-12-02 04:36:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 04:36:54,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 04:36:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:36:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 75 transitions. [2018-12-02 04:36:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 75 transitions. [2018-12-02 04:36:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 04:36:55,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:36:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:36:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 04:37:06,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:37:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 78 transitions. [2018-12-02 04:37:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2018-12-02 04:37:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 04:37:06,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:37:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 04:37:06,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:37:06,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2018-12-02 04:37:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2018-12-02 04:37:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 04:37:06,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:37:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 04:37:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:37:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2018-12-02 04:37:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2018-12-02 04:37:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 04:37:07,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:37:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:37:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 04:37:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:37:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2018-12-02 04:37:08,095 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2018-12-02 04:37:08,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:37:08,095 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 04:37:08,101 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 04:37:08,253 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-02 04:37:08,260 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-02 04:37:08,260 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:37:08,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:37:08 ImpRootNode [2018-12-02 04:37:08,260 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:37:08,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:37:08,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:37:08,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:37:08,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:36:52" (3/4) ... [2018-12-02 04:37:08,264 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:37:08,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-02 04:37:08,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 04:37:08,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 04:37:08,276 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:37:08,339 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_24982250-5184-4262-a655-8d6248166b03/bin-2019/ukojak/witness.graphml [2018-12-02 04:37:08,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:37:08,339 INFO L168 Benchmark]: Toolchain (without parser) took 47315.21 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 476.6 MB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -378.1 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,340 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:37:08,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.26 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,341 INFO L168 Benchmark]: Boogie Preprocessor took 50.54 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,341 INFO L168 Benchmark]: RCFGBuilder took 31022.97 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.5 MB). Peak memory consumption was 336.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,341 INFO L168 Benchmark]: CodeCheck took 15776.55 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 230.2 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -186.5 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,341 INFO L168 Benchmark]: Witness Printer took 78.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-12-02 04:37:08,342 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, 206 locations, 1 error locations. SAFE Result, 15.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6508 SDtfs, 12350 SDslu, 8920 SDs, 0 SdLazy, 41998 SolverSat, 6348 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 45.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1526 GetRequests, 1339 SyntacticMatches, 79 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5984 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 23696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 84/168 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: 172]: 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: (((!(a10 == 2) && a12 == 0) && a4 == 14) || ((a1 <= 23 && a12 == 0) && a4 == 14)) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && (!(a10 == 2) || !(a19 == 6))) && a4 == 14 - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.26 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.54 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 31022.97 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.5 MB). Peak memory consumption was 336.4 MB. Max. memory is 11.5 GB. * CodeCheck took 15776.55 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 230.2 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -186.5 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * Witness Printer took 78.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...