./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/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 d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd ............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:15:21,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:15:21,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:15:21,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:15:21,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:15:21,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:15:21,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:15:21,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:15:21,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:15:21,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:15:21,924 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:15:21,924 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:15:21,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:15:21,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:15:21,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:15:21,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:15:21,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:15:21,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:15:21,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:15:21,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:15:21,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:15:21,933 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:15:21,934 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:15:21,935 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:15:21,935 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:15:21,935 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:15:21,936 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:15:21,937 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:15:21,937 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:15:21,938 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:15:21,938 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:15:21,939 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:15:21,939 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:15:21,939 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:15:21,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:15:21,940 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:15:21,940 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:15:21,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:15:21,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:15:21,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:15:21,951 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:15:21,952 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:15:21,952 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:15:21,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:15:21,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:15:21,952 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:15:21,953 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:15:21,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:15:21,954 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:15:21,954 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:15:21,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:15:21,954 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:15:21,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:15:21,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:15:21,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:15:21,955 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:15:21,955 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:15:21,955 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:15:21,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:15:21,956 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_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/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 -> d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd [2018-11-10 07:15:21,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:15:21,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:15:21,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:15:21,992 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:15:21,993 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:15:21,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/../../sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c [2018-11-10 07:15:22,040 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/data/643b455e4/c0d931b3cc1a4fcbb40ca3d9ee2c4cda/FLAGbbbff571a [2018-11-10 07:15:22,366 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:15:22,366 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/sv-benchmarks/c/recursive-simple/id_i10_o10_true-unreach-call_true-termination.c [2018-11-10 07:15:22,371 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/data/643b455e4/c0d931b3cc1a4fcbb40ca3d9ee2c4cda/FLAGbbbff571a [2018-11-10 07:15:22,381 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/data/643b455e4/c0d931b3cc1a4fcbb40ca3d9ee2c4cda [2018-11-10 07:15:22,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:15:22,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:15:22,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:15:22,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:15:22,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:15:22,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b132657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22, skipping insertion in model container [2018-11-10 07:15:22,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:15:22,409 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:15:22,512 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:15:22,514 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:15:22,524 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:15:22,532 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:15:22,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22 WrapperNode [2018-11-10 07:15:22,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:15:22,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:15:22,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:15:22,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:15:22,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:15:22,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:15:22,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:15:22,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:15:22,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:15:22,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:15:22,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:15:22,563 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:15:22,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:15:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/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 [2018-11-10 07:15:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:15:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:15:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-10 07:15:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-10 07:15:22,729 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:15:22,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:15:22 BoogieIcfgContainer [2018-11-10 07:15:22,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:15:22,730 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:15:22,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:15:22,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:15:22,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:15:22" (1/1) ... [2018-11-10 07:15:22,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:15:22,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 07:15:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 07:15:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 07:15:22,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:15:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2018-11-10 07:15:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 07:15:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 07:15:22,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:15:23,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2018-11-10 07:15:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-10 07:15:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 07:15:23,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 07:15:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2018-11-10 07:15:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2018-11-10 07:15:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 07:15:23,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 07:15:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2018-11-10 07:15:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-11-10 07:15:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 07:15:23,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 07:15:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2018-11-10 07:15:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-11-10 07:15:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 07:15:23,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 07:15:23,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2018-11-10 07:15:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-11-10 07:15:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 07:15:23,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-10 07:15:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2018-11-10 07:15:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2018-11-10 07:15:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 07:15:23,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-10 07:15:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2018-11-10 07:15:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2018-11-10 07:15:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 07:15:24,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 07:15:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2018-11-10 07:15:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2018-11-10 07:15:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 07:15:24,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 07:15:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 43 states and 99 transitions. [2018-11-10 07:15:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2018-11-10 07:15:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 07:15:24,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-10 07:15:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 77 states and 244 transitions. [2018-11-10 07:15:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 244 transitions. [2018-11-10 07:15:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 07:15:29,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:15:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:15:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-10 07:15:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:15:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 44 states and 46 transitions. [2018-11-10 07:15:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-11-10 07:15:31,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:15:31,161 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-11-10 07:15:31,171 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:15:31,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:15:31 ImpRootNode [2018-11-10 07:15:31,356 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:15:31,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:15:31,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:15:31,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:15:31,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:15:22" (3/4) ... [2018-11-10 07:15:31,359 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:15:31,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-11-10 07:15:31,368 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 07:15:31,368 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:15:31,369 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:15:31,396 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c58994c-417c-47b6-9b78-cdb28f4f4ae2/bin-2019/ukojak/witness.graphml [2018-11-10 07:15:31,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:15:31,397 INFO L168 Benchmark]: Toolchain (without parser) took 9012.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.6 MB). Free memory was 963.0 MB in the beginning and 1.2 GB in the end (delta: -217.6 MB). Peak memory consumption was 140.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:31,398 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 07:15:31,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.66 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 951.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:31,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:15:31,399 INFO L168 Benchmark]: Boogie Preprocessor took 9.19 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:31,399 INFO L168 Benchmark]: RCFGBuilder took 166.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -204.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:31,400 INFO L168 Benchmark]: CodeCheck took 8626.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -30.8 MB). Peak memory consumption was 165.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:15:31,400 INFO L168 Benchmark]: Witness Printer took 40.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 938.8 kB). Peak memory consumption was 938.8 kB. Max. memory is 11.5 GB. [2018-11-10 07:15:31,402 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 2 procedures, 16 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28680 SDtfs, 26692 SDslu, 43136 SDs, 0 SdLazy, 125832 SolverSat, 25648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6846 GetRequests, 6374 SyntacticMatches, 272 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15264 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 71424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 979/1584 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: 13]: 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 * 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.66 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 951.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.0 GB. Free memory is still 951.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.19 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 166.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -204.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 8626.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -30.8 MB). Peak memory consumption was 165.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 938.8 kB). Peak memory consumption was 938.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...