./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label32_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_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/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 f7c43460f02bb9f2348720ab45b0132bbccce529 ........................................................................................................................................................................................................................................................................... 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 11:19:17,023 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:19:17,024 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:19:17,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:19:17,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:19:17,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:19:17,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:19:17,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:19:17,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:19:17,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:19:17,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:19:17,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:19:17,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:19:17,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:19:17,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:19:17,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:19:17,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:19:17,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:19:17,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:19:17,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:19:17,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:19:17,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:19:17,045 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:19:17,045 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:19:17,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:19:17,046 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:19:17,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:19:17,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:19:17,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:19:17,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:19:17,048 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:19:17,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:19:17,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:19:17,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:19:17,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:19:17,050 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:19:17,050 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:19:17,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:19:17,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:19:17,060 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:19:17,061 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:19:17,061 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:19:17,061 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:19:17,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:19:17,062 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:19:17,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:19:17,063 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:19:17,063 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:19:17,063 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:19:17,063 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:19:17,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:19:17,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:19:17,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:19:17,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:19:17,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:19:17,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:19:17,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:19:17,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:19:17,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:19:17,064 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_83d26cf3-56e6-44f2-bebf-8472113699a4/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 -> f7c43460f02bb9f2348720ab45b0132bbccce529 [2018-11-18 11:19:17,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:19:17,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:19:17,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:19:17,101 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:19:17,101 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:19:17,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c [2018-11-18 11:19:17,147 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/data/3b843512c/ce5751ecc0864c22919d76d998e5d14f/FLAGfcf840a60 [2018-11-18 11:19:17,599 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:19:17,600 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c [2018-11-18 11:19:17,613 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/data/3b843512c/ce5751ecc0864c22919d76d998e5d14f/FLAGfcf840a60 [2018-11-18 11:19:18,120 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/data/3b843512c/ce5751ecc0864c22919d76d998e5d14f [2018-11-18 11:19:18,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:19:18,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:19:18,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:19:18,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:19:18,126 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:19:18,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6487db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18, skipping insertion in model container [2018-11-18 11:19:18,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:19:18,168 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:19:18,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:19:18,406 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:19:18,473 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:19:18,482 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:19:18,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18 WrapperNode [2018-11-18 11:19:18,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:19:18,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:19:18,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:19:18,483 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:19:18,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:19:18,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:19:18,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:19:18,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:19:18,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... [2018-11-18 11:19:18,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:19:18,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:19:18,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:19:18,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:19:18,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:19:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/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 11:19:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:19:18,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:19:18,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:20:05,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:20:05,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:20:05 BoogieIcfgContainer [2018-11-18 11:20:05,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:20:05,694 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:20:05,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:20:05,703 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:20:05,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:20:05" (1/1) ... [2018-11-18 11:20:05,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 11:20:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 11:20:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:20:05,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:05,917 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 11:20:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 11:20:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 11:20:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 11:20:05,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:06,349 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 11:20:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-18 11:20:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-18 11:20:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:20:06,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:06,885 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 11:20:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-18 11:20:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-18 11:20:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:20:07,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:07,426 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 11:20:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-11-18 11:20:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-11-18 11:20:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:20:07,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:07,787 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 11:20:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2018-11-18 11:20:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2018-11-18 11:20:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:20:07,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:08,286 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 11:20:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-18 11:20:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-18 11:20:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:20:08,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:09,150 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 11:20:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-11-18 11:20:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-11-18 11:20:09,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:20:09,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:09,668 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 11:20:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-11-18 11:20:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-11-18 11:20:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:20:09,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:10,223 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 11:20:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2018-11-18 11:20:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2018-11-18 11:20:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:20:10,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:20:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:10,924 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 11:20:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:20:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-18 11:20:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-18 11:20:11,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:20:11,080 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 11:20:11,087 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:20:11,271 INFO L579 CodeCheckObserver]: Invariant with dag size 25 [2018-11-18 11:20:11,280 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 11:20:11,280 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:20:11,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:20:11 ImpRootNode [2018-11-18 11:20:11,281 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:20:11,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:20:11,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:20:11,282 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:20:11,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:20:05" (3/4) ... [2018-11-18 11:20:11,285 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:20:11,300 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-18 11:20:11,301 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 11:20:11,302 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:20:11,303 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:20:11,402 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83d26cf3-56e6-44f2-bebf-8472113699a4/bin-2019/ukojak/witness.graphml [2018-11-18 11:20:11,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:20:11,403 INFO L168 Benchmark]: Toolchain (without parser) took 53281.20 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 474.0 MB). Free memory was 952.8 MB in the beginning and 877.1 MB in the end (delta: 75.8 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:11,405 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:20:11,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.76 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 920.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:11,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -214.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:11,406 INFO L168 Benchmark]: Boogie Preprocessor took 49.18 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 11:20:11,406 INFO L168 Benchmark]: RCFGBuilder took 47057.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.9 MB). Peak memory consumption was 357.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:11,406 INFO L168 Benchmark]: CodeCheck took 5587.31 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 181.4 MB). Free memory was 1.2 GB in the beginning and 900.3 MB in the end (delta: 293.6 MB). Peak memory consumption was 475.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:11,406 INFO L168 Benchmark]: Witness Printer took 121.46 ms. Allocated memory is still 1.5 GB. Free memory was 900.3 MB in the beginning and 877.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:20:11,408 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, 5.3s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7064 SDtfs, 16216 SDslu, 15968 SDs, 0 SdLazy, 32662 SolverSat, 4074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1579 GetRequests, 1383 SyntacticMatches, 112 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4018 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 34505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 75/197 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: 79]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && a12 == 0) && a4 == 14) || ((!(a10 == 3) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && (39 <= a1 || a1 + 13 <= 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a10 == 3) || 38 < a1) || !(a19 == 7)) || a1 + 13 <= 0) && a12 == 0) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.76 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 920.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 920.6 MB in the beginning and 1.1 GB in the end (delta: -214.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.18 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 47057.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.9 MB). Peak memory consumption was 357.8 MB. Max. memory is 11.5 GB. * CodeCheck took 5587.31 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 181.4 MB). Free memory was 1.2 GB in the beginning and 900.3 MB in the end (delta: 293.6 MB). Peak memory consumption was 475.0 MB. Max. memory is 11.5 GB. * Witness Printer took 121.46 ms. Allocated memory is still 1.5 GB. Free memory was 900.3 MB in the beginning and 877.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...