./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label09_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_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/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 8c3ab847d37615cc89461d344e344751adad439b ..................................................................................................................................................................................................................................................................................................... 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 15:29:19,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:29:19,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:29:19,010 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:29:19,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:29:19,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:29:19,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:29:19,012 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:29:19,013 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:29:19,014 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:29:19,014 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:29:19,014 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:29:19,015 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:29:19,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:29:19,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:29:19,017 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:29:19,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:29:19,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:29:19,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:29:19,020 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:29:19,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:29:19,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:29:19,024 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:29:19,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:29:19,024 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:29:19,025 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:29:19,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:29:19,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:29:19,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:29:19,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:29:19,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:29:19,027 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:29:19,027 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:29:19,027 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:29:19,028 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:29:19,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:29:19,028 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:29:19,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:29:19,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:29:19,039 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:29:19,039 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:29:19,040 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:29:19,040 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:29:19,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:29:19,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:29:19,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:29:19,040 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:29:19,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:29:19,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:29:19,042 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:29:19,042 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:29:19,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:29:19,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:29:19,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:29:19,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:29:19,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:29:19,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:29:19,043 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:29:19,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:29:19,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:29:19,043 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_497682ec-52b3-4de2-a569-8cf092fb4812/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 -> 8c3ab847d37615cc89461d344e344751adad439b [2018-11-18 15:29:19,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:29:19,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:29:19,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:29:19,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:29:19,080 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:29:19,081 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c [2018-11-18 15:29:19,121 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/data/ace28b68a/2bef9aac010242ffa907a40250b01c96/FLAG3896c068c [2018-11-18 15:29:19,518 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:29:19,519 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c [2018-11-18 15:29:19,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/data/ace28b68a/2bef9aac010242ffa907a40250b01c96/FLAG3896c068c [2018-11-18 15:29:19,884 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/data/ace28b68a/2bef9aac010242ffa907a40250b01c96 [2018-11-18 15:29:19,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:29:19,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:29:19,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:29:19,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:29:19,891 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:29:19,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:29:19" (1/1) ... [2018-11-18 15:29:19,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a16e82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:19, skipping insertion in model container [2018-11-18 15:29:19,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:29:19" (1/1) ... [2018-11-18 15:29:19,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:29:19,941 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:29:20,215 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:29:20,219 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:29:20,311 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:29:20,324 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:29:20,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20 WrapperNode [2018-11-18 15:29:20,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:29:20,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:29:20,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:29:20,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:29:20,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:29:20,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:29:20,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:29:20,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:29:20,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... [2018-11-18 15:29:20,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:29:20,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:29:20,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:29:20,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:29:20,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:29:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/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 15:29:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:29:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:29:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:33:30,895 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:33:30,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:33:30 BoogieIcfgContainer [2018-11-18 15:33:30,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:33:30,896 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:33:30,896 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:33:30,902 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:33:30,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:33:30" (1/1) ... [2018-11-18 15:33:30,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:33:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:30,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 15:33:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 15:33:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:33:30,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:31,101 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 15:33:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 15:33:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 15:33:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:33:31,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:31,553 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 15:33:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-18 15:33:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-18 15:33:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:33:31,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:32,687 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2018-11-18 15:33:32,815 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 15:33:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2018-11-18 15:33:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2018-11-18 15:33:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:33:33,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:34,752 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2018-11-18 15:33:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:33:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-11-18 15:33:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-11-18 15:33:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:33:36,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:37,856 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 32 [2018-11-18 15:33:38,095 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2018-11-18 15:33:38,335 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 42 [2018-11-18 15:33:38,801 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 36 [2018-11-18 15:33:38,991 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 45 [2018-11-18 15:33:39,381 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2018-11-18 15:33:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:33:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2018-11-18 15:33:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2018-11-18 15:33:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:33:50,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:33:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2018-11-18 15:33:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2018-11-18 15:33:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:33:52,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:33:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:33:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 90 transitions. [2018-11-18 15:33:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2018-11-18 15:33:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:33:53,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:33:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:33:55,252 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-18 15:33:55,595 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 57 [2018-11-18 15:33:55,820 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-11-18 15:33:56,017 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 44 [2018-11-18 15:33:56,321 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 56 [2018-11-18 15:33:56,596 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 42 [2018-11-18 15:33:56,965 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 48 [2018-11-18 15:33:57,318 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 47 [2018-11-18 15:33:57,664 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 52 [2018-11-18 15:33:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:34:08,879 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2018-11-18 15:34:10,655 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2018-11-18 15:34:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:34:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-11-18 15:34:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-11-18 15:34:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:34:11,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:34:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:34:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:34:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:34:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2018-11-18 15:34:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2018-11-18 15:34:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 15:34:13,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:34:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:34:15,826 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 66 [2018-11-18 15:34:17,121 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 73 [2018-11-18 15:34:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 15:34:27,377 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 80 [2018-11-18 15:34:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:34:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2018-11-18 15:34:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2018-11-18 15:34:38,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:34:38,080 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 15:34:38,085 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:34:38,276 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-11-18 15:34:38,582 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 109 [2018-11-18 15:34:38,775 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 90 [2018-11-18 15:34:39,130 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 111 [2018-11-18 15:34:39,331 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2018-11-18 15:34:39,331 INFO L579 CodeCheckObserver]: Invariant with dag size 90 [2018-11-18 15:34:39,344 INFO L579 CodeCheckObserver]: Invariant with dag size 111 [2018-11-18 15:34:39,346 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:34:39,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:34:39 ImpRootNode [2018-11-18 15:34:39,347 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:34:39,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:34:39,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:34:39,347 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:34:39,348 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:33:30" (3/4) ... [2018-11-18 15:34:39,351 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:34:39,368 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-18 15:34:39,370 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 15:34:39,371 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:34:39,372 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:34:39,465 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_497682ec-52b3-4de2-a569-8cf092fb4812/bin-2019/ukojak/witness.graphml [2018-11-18 15:34:39,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:34:39,467 INFO L168 Benchmark]: Toolchain (without parser) took 319580.29 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 950.5 MB). Free memory was 955.5 MB in the beginning and 963.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 942.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,467 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:34:39,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 912.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 912.5 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,468 INFO L168 Benchmark]: Boogie Preprocessor took 52.11 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,469 INFO L168 Benchmark]: RCFGBuilder took 250390.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 919.0 MB in the end (delta: 191.5 MB). Peak memory consumption was 412.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,470 INFO L168 Benchmark]: CodeCheck took 68450.81 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 788.5 MB). Free memory was 919.0 MB in the beginning and 984.8 MB in the end (delta: -65.8 MB). Peak memory consumption was 722.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,470 INFO L168 Benchmark]: Witness Printer took 118.68 ms. Allocated memory is still 2.0 GB. Free memory was 984.8 MB in the beginning and 963.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:34:39,472 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, 67.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7140 SDtfs, 18910 SDslu, 16320 SDs, 0 SdLazy, 39296 SolverSat, 5924 SolverUnsat, 74 SolverUnknown, 0 SolverNotchecked, 120.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2259 GetRequests, 1936 SyntacticMatches, 141 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23274 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 211260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 92/421 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: 139]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((!(a21 == 8) || 0 < (5 * (10 * a12 / -2) + 4) / 10 + 203) && (a12 <= 80 || !(a21 == 9))) && (a12 <= 599997 || !(a21 == 10))) || !(a15 == 8)) && !(((a15 == 8 && a24 == 1) && a21 == 7) || a15 == 5)) || (a15 == 5 && ((81 <= a12 || !(a21 == 6)) || a12 <= 11))) || ((((a15 == 8 && a24 == 1) && a21 == 7) || a15 == 5) && (!(a15 == 5) || !(a24 == 1)))) || ((((73269 <= a12 && a21 == 8) && ((a12 + 3 == 5 * ((a12 + 3) / 5) && (a12 + -94512) / 5 / 5 + 850 <= 0) || ((a12 + -94512) / 5 + 1) / 5 + 850 <= 0)) || (a12 <= 599997 && 300039 <= a12)) && !(a24 <= 0 || 2 <= a24)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((!(a21 == 8) || 0 < (5 * (10 * a12 / -2) + 4) / 10 + 203) && (a12 <= 80 || !(a21 == 9))) && (a12 <= 599997 || !(a21 == 10))) || !(a15 == 8)) && !(a15 == 5)) && !(!(a15 == 9) && (a12 + 43 <= 0 || a21 == 7))) || ((!((((0 <= a12 + 49 && a15 == 8) && a24 == 1) && a21 == 7) && a12 + 49 <= 0) && !(a15 == 5 && a21 == 6)) && (a15 == 5 || (!(a15 == 9) && (a12 + 43 <= 0 || a21 == 7))))) || ((((73269 <= a12 && a21 == 8) && ((a12 + 3 == 5 * ((a12 + 3) / 5) && (a12 + -94512) / 5 / 5 + 850 <= 0) || ((a12 + -94512) / 5 + 1) / 5 + 850 <= 0)) || (a12 <= 599997 && 300039 <= a12)) && !(a24 <= 0 || 2 <= a24))) || (!(a24 == 1) && a15 == 5)) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || (a15 == 5 && (a12 <= 11 || 80 < a12)) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.07 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 912.5 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 127.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 912.5 MB in the beginning and 1.1 GB in the end (delta: -208.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.11 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 250390.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Free memory was 1.1 GB in the beginning and 919.0 MB in the end (delta: 191.5 MB). Peak memory consumption was 412.5 MB. Max. memory is 11.5 GB. * CodeCheck took 68450.81 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 788.5 MB). Free memory was 919.0 MB in the beginning and 984.8 MB in the end (delta: -65.8 MB). Peak memory consumption was 722.7 MB. Max. memory is 11.5 GB. * Witness Printer took 118.68 ms. Allocated memory is still 2.0 GB. Free memory was 984.8 MB in the beginning and 963.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...