./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/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_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/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 0.1.23-5842f4b [2018-11-18 15:22:35,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:22:35,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:22:35,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:22:35,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:22:35,014 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:22:35,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:22:35,016 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:22:35,017 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:22:35,018 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:22:35,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:22:35,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:22:35,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:22:35,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:22:35,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:22:35,020 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:22:35,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:22:35,022 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:22:35,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:22:35,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:22:35,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:22:35,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:22:35,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:22:35,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:22:35,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:22:35,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:22:35,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:22:35,029 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:22:35,030 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:22:35,030 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:22:35,030 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:22:35,031 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:22:35,031 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:22:35,031 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:22:35,031 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:22:35,032 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:22:35,032 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:22:35,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:22:35,040 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:22:35,040 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:22:35,040 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:22:35,041 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:22:35,041 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:22:35,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:22:35,041 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:22:35,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:22:35,042 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:22:35,043 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:22:35,043 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:22:35,043 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:22:35,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:22:35,043 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:22:35,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:22:35,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:22:35,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:22:35,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:22:35,044 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:22:35,044 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:22:35,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:22:35,044 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_ac458965-0ccb-44c4-b826-6e5756fc8a8d/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 [2018-11-18 15:22:35,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:22:35,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:22:35,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:22:35,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:22:35,083 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:22:35,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label09_true-unreach-call.c [2018-11-18 15:22:35,123 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/data/01a6de453/859b8cb4bc73495485a10ab3b15f8271/FLAG4192f48d0 [2018-11-18 15:22:35,530 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:22:35,531 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/sv-benchmarks/c/eca-rers2012/Problem10_label09_true-unreach-call.c [2018-11-18 15:22:35,540 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/data/01a6de453/859b8cb4bc73495485a10ab3b15f8271/FLAG4192f48d0 [2018-11-18 15:22:35,887 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/data/01a6de453/859b8cb4bc73495485a10ab3b15f8271 [2018-11-18 15:22:35,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:22:35,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:22:35,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:22:35,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:22:35,895 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:22:35,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:22:35" (1/1) ... [2018-11-18 15:22:35,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6180e9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:35, skipping insertion in model container [2018-11-18 15:22:35,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:22:35" (1/1) ... [2018-11-18 15:22:35,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:22:35,937 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:22:36,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:22:36,172 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:22:36,240 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:22:36,251 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:22:36,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36 WrapperNode [2018-11-18 15:22:36,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:22:36,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:22:36,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:22:36,252 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:22:36,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:22:36,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:22:36,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:22:36,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:22:36,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... [2018-11-18 15:22:36,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:22:36,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:22:36,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:22:36,405 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:22:36,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/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 15:22:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:22:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:22:36,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:23:34,596 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:23:34,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:23:34 BoogieIcfgContainer [2018-11-18 15:23:34,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:23:34,597 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:23:34,597 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:23:34,606 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:23:34,607 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:23:34" (1/1) ... [2018-11-18 15:23:34,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 15:23:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 15:23:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:23:34,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:34,813 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 15:23:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 15:23:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 15:23:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:23:34,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:35,200 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 15:23:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 15:23:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 15:23:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:23:35,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:36,125 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 15:23:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2018-11-18 15:23:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2018-11-18 15:23:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:23:46,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:47,104 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 15:23:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2018-11-18 15:23:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2018-11-18 15:23:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:23:47,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:47,559 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 15:23:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-18 15:23:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-18 15:23:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:23:47,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:23:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2018-11-18 15:23:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2018-11-18 15:23:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:23:49,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:23:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2018-11-18 15:23:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2018-11-18 15:23:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:23:50,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:23:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 99 transitions. [2018-11-18 15:23:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2018-11-18 15:23:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:23:50,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:23:52,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2018-11-18 15:23:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2018-11-18 15:23:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:23:52,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:23:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 67 states and 122 transitions. [2018-11-18 15:23:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2018-11-18 15:23:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:23:53,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 15:23:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2018-11-18 15:23:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2018-11-18 15:23:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:23:54,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:23:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 74 states and 134 transitions. [2018-11-18 15:23:55,761 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 134 transitions. [2018-11-18 15:23:55,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:23:55,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:23:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 78 states and 139 transitions. [2018-11-18 15:23:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2018-11-18 15:23:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:23:56,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:23:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:23:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:23:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-11-18 15:23:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-11-18 15:23:57,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:23:57,801 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2018-11-18 15:23:57,807 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:23:58,095 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-18 15:23:58,103 INFO L579 CodeCheckObserver]: Invariant with dag size 30 [2018-11-18 15:23:58,104 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:23:58,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:23:58 ImpRootNode [2018-11-18 15:23:58,105 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:23:58,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:23:58,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:23:58,106 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:23:58,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:23:34" (3/4) ... [2018-11-18 15:23:58,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:23:58,122 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 15:23:58,123 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 15:23:58,124 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:23:58,124 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:23:58,205 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac458965-0ccb-44c4-b826-6e5756fc8a8d/bin-2019/ukojak/witness.graphml [2018-11-18 15:23:58,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:23:58,206 INFO L168 Benchmark]: Toolchain (without parser) took 82315.68 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 687.9 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -338.0 MB). Peak memory consumption was 349.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,207 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:23:58,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.69 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -218.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,208 INFO L168 Benchmark]: Boogie Preprocessor took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,208 INFO L168 Benchmark]: RCFGBuilder took 58191.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -44.7 MB). Peak memory consumption was 347.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,209 INFO L168 Benchmark]: CodeCheck took 23507.84 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 402.1 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -146.7 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,209 INFO L168 Benchmark]: Witness Printer took 99.60 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:23:58,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 23.1s OverallTime, 15 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 114972 SDtfs, 272416 SDslu, 263280 SDs, 0 SdLazy, 599548 SolverSat, 74540 SolverUnsat, 4096 SolverUnknown, 0 SolverNotchecked, 128.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3033 GetRequests, 2657 SyntacticMatches, 202 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17286 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 73435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 180/472 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: 20]: Loop Invariant Derived loop invariant: (((((a1 <= 38 || !(a10 == 2)) || 218 < a1) || !(a19 == 6)) && a12 == 0) && a4 == 14) || (!(a19 == 10) && 9 <= a19) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((!(a10 == 2) && a12 == 0) && a4 == 14) || (((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14)) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || (!(a19 == 10) && 9 <= a19) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.69 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -218.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 58191.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -44.7 MB). Peak memory consumption was 347.8 MB. Max. memory is 11.5 GB. * CodeCheck took 23507.84 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 402.1 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -146.7 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. * Witness Printer took 99.60 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...