./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_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_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ............................................................................................................................................................................................................................................................ 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 11:29:16,092 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:29:16,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:29:16,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:29:16,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:29:16,102 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:29:16,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:29:16,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:29:16,106 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:29:16,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:29:16,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:29:16,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:29:16,108 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:29:16,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:29:16,110 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:29:16,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:29:16,111 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:29:16,113 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:29:16,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:29:16,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:29:16,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:29:16,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:29:16,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:29:16,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:29:16,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:29:16,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:29:16,121 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:29:16,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:29:16,123 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:29:16,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:29:16,124 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:29:16,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:29:16,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:29:16,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:29:16,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:29:16,125 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:29:16,126 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:29:16,136 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:29:16,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:29:16,137 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:29:16,137 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:29:16,137 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:29:16,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:29:16,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:29:16,138 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:29:16,138 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:29:16,138 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:29:16,138 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:29:16,138 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:29:16,139 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:29:16,139 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:29:16,140 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:29:16,140 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:29:16,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:29:16,140 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:29:16,140 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:29:16,140 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:29:16,140 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:29:16,141 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:29:16,141 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:29:16,141 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_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-11-18 11:29:16,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:29:16,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:29:16,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:29:16,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:29:16,181 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:29:16,182 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-18 11:29:16,219 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/data/9141da7f3/d67b66ebae074e9a8abf4e612c398b41/FLAG7e40d3fae [2018-11-18 11:29:16,624 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:29:16,625 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-18 11:29:16,632 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/data/9141da7f3/d67b66ebae074e9a8abf4e612c398b41/FLAG7e40d3fae [2018-11-18 11:29:16,980 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/data/9141da7f3/d67b66ebae074e9a8abf4e612c398b41 [2018-11-18 11:29:16,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:29:16,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:29:16,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:29:16,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:29:16,986 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:29:16,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:29:16" (1/1) ... [2018-11-18 11:29:16,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622ff55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:16, skipping insertion in model container [2018-11-18 11:29:16,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:29:16" (1/1) ... [2018-11-18 11:29:16,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:29:17,039 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:29:17,306 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:29:17,309 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:29:17,400 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:29:17,413 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:29:17,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17 WrapperNode [2018-11-18 11:29:17,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:29:17,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:29:17,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:29:17,414 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:29:17,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:29:17,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:29:17,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:29:17,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:29:17,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... [2018-11-18 11:29:17,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:29:17,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:29:17,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:29:17,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:29:17,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:29:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/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 11:29:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:29:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:29:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:33:21,927 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:33:21,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:33:21 BoogieIcfgContainer [2018-11-18 11:33:21,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:33:21,928 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:33:21,928 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:33:21,937 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:33:21,937 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:33:21" (1/1) ... [2018-11-18 11:33:21,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:33:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:33:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 11:33:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 11:33:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:33:21,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:33:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:22,153 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 11:33:22,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:33:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 11:33:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 11:33:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:33:22,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:33:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:22,534 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 11:33:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:33:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-18 11:33:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-18 11:33:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:33:32,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:33:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:33,624 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 11:33:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:33:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-18 11:33:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-18 11:33:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:33:44,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:33:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:45,161 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2018-11-18 11:33:45,371 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2018-11-18 11:33:45,467 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 11:33:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:33:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2018-11-18 11:33:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2018-11-18 11:33:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:33:56,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:33:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:57,309 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 11:33:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:33:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2018-11-18 11:33:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2018-11-18 11:33:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:33:57,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:33:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:33:58,651 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 17 [2018-11-18 11:33:58,810 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 17 [2018-11-18 11:33:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:34:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:34:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-11-18 11:34:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-11-18 11:34:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:34:10,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:34:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:34:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:34:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:34:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2018-11-18 11:34:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2018-11-18 11:34:11,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:34:11,443 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-18 11:34:11,448 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:34:11,561 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2018-11-18 11:34:11,716 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2018-11-18 11:34:11,788 INFO L579 CodeCheckObserver]: Invariant with dag size 56 [2018-11-18 11:34:11,798 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 11:34:11,799 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:34:11,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:34:11 ImpRootNode [2018-11-18 11:34:11,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:34:11,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:34:11,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:34:11,800 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:34:11,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:33:21" (3/4) ... [2018-11-18 11:34:11,807 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:34:11,822 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 11:34:11,823 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:34:11,824 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:34:11,825 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:34:11,926 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_383b6cac-02ba-40f8-b2fe-b64b04cd86cd/bin-2019/ukojak/witness.graphml [2018-11-18 11:34:11,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:34:11,927 INFO L168 Benchmark]: Toolchain (without parser) took 294944.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 362.3 MB). Free memory was 955.4 MB in the beginning and 867.5 MB in the end (delta: 87.8 MB). Peak memory consumption was 450.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,928 INFO L168 Benchmark]: CDTParser took 0.17 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 11:34:11,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.24 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 912.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -226.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,928 INFO L168 Benchmark]: Boogie Preprocessor took 50.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,929 INFO L168 Benchmark]: RCFGBuilder took 244332.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 969.6 MB in the end (delta: 162.4 MB). Peak memory consumption was 514.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,929 INFO L168 Benchmark]: CodeCheck took 49871.36 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 75.5 MB). Free memory was 969.6 MB in the beginning and 895.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,929 INFO L168 Benchmark]: Witness Printer took 126.38 ms. Allocated memory is still 1.4 GB. Free memory was 895.6 MB in the beginning and 867.5 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:34:11,931 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, 49.4s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 916 SDtfs, 2304 SDslu, 2128 SDs, 0 SdLazy, 4710 SolverSat, 730 SolverUnsat, 116 SolverUnknown, 0 SolverNotchecked, 173.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1201 GetRequests, 1014 SyntacticMatches, 79 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8032 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 51255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 4/163 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: 145]: 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: 20]: Loop Invariant Derived loop invariant: ((((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0) || (!(a21 == 7 && a24 == 1) && ((!(a15 == 5) || (!(a24 == 2) && a12 + 49 <= 0)) || (a21 == 6 && !(a24 == 2))))) || ((a12 + 43 <= 0 || a21 == 7) && !((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0))) || ((!(a21 == 9) || 11 < a12) && !((!(a15 == 5) || (!(a24 == 2) && a12 + 49 <= 0)) || (a21 == 6 && !(a24 == 2)))) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(a21 == 9) || a12 + 43 <= 0) || 11 < a12 || !(a15 == 5) - 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 430.24 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 912.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 130.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 912.3 MB in the beginning and 1.1 GB in the end (delta: -226.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244332.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 969.6 MB in the end (delta: 162.4 MB). Peak memory consumption was 514.2 MB. Max. memory is 11.5 GB. * CodeCheck took 49871.36 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 75.5 MB). Free memory was 969.6 MB in the beginning and 895.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. * Witness Printer took 126.38 ms. Allocated memory is still 1.4 GB. Free memory was 895.6 MB in the beginning and 867.5 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...