./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/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 6b2483ed4878f440f5477fb40e4fe96958613e0f ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:27:46,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:27:46,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:27:46,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:27:46,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:27:46,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:27:46,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:27:46,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:27:46,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:27:46,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:27:46,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:27:46,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:27:46,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:27:46,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:27:46,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:27:46,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:27:46,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:27:46,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:27:46,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:27:46,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:27:46,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:27:46,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:27:46,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:27:46,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:27:46,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:27:46,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:27:46,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:27:46,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:27:46,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:27:46,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:27:46,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:27:46,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:27:46,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:27:46,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:27:46,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:27:46,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:27:46,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:27:46,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:27:46,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:27:46,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:27:46,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:27:46,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:27:46,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:27:46,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:27:46,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:27:46,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:27:46,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:27:46,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:27:46,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:27:46,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:27:46,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:27:46,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:27:46,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:27:46,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:27:46,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:27:46,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:27:46,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:27:46,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:27:46,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:27:46,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:27:46,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:27:46,934 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:27:46,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:27:46,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:27:46,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/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 -> 6b2483ed4878f440f5477fb40e4fe96958613e0f [2019-12-01 23:27:47,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:27:47,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:27:47,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:27:47,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:27:47,047 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:27:47,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/../../sv-benchmarks/c/loop-lit/jm2006_variant.i [2019-12-01 23:27:47,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/data/406b37ba1/13efe5f85d36402588ca0df2813ed1e2/FLAGe0086f207 [2019-12-01 23:27:47,476 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:27:47,476 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/sv-benchmarks/c/loop-lit/jm2006_variant.i [2019-12-01 23:27:47,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/data/406b37ba1/13efe5f85d36402588ca0df2813ed1e2/FLAGe0086f207 [2019-12-01 23:27:47,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/data/406b37ba1/13efe5f85d36402588ca0df2813ed1e2 [2019-12-01 23:27:47,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:27:47,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:27:47,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:27:47,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:27:47,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:27:47,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:27:47" (1/1) ... [2019-12-01 23:27:47,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165689ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:47, skipping insertion in model container [2019-12-01 23:27:47,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:27:47" (1/1) ... [2019-12-01 23:27:47,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:27:47,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:27:47,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:27:47,997 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:27:48,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:27:48,047 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:27:48,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48 WrapperNode [2019-12-01 23:27:48,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:27:48,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:27:48,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:27:48,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:27:48,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:27:48,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:27:48,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:27:48,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:27:48,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:27:48,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:27:48,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:27:48,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:27:48,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:27:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/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 [2019-12-01 23:27:48,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:27:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:27:48,225 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:27:48,225 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:27:48,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:27:48 BoogieIcfgContainer [2019-12-01 23:27:48,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:27:48,227 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:27:48,227 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:27:48,233 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:27:48,233 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:27:48" (1/1) ... [2019-12-01 23:27:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:27:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-12-01 23:27:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-12-01 23:27:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 23:27:48,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:27:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2019-12-01 23:27:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2019-12-01 23:27:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 23:27:48,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:27:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2019-12-01 23:27:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2019-12-01 23:27:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 23:27:49,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:27:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2019-12-01 23:27:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2019-12-01 23:27:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 23:27:49,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:27:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:27:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:27:49,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:27:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2019-12-01 23:27:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2019-12-01 23:27:49,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:27:49,798 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-12-01 23:27:49,804 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:27:49,883 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:27:49,886 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-12-01 23:27:49,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:27:49,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:27:49 ImpRootNode [2019-12-01 23:27:49,893 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:27:49,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:27:49,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:27:49,893 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:27:49,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:27:48" (3/4) ... [2019-12-01 23:27:49,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:27:49,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 23:27:49,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 23:27:49,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fc6b0eb2-8eb0-4259-87bf-3077428de116/bin/ukojak/witness.graphml [2019-12-01 23:27:49,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:27:49,941 INFO L168 Benchmark]: Toolchain (without parser) took 2070.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 947.9 MB in the beginning and 1.0 GB in the end (delta: -98.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:27:49,941 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:27:49,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:27:49,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:27:49,942 INFO L168 Benchmark]: Boogie Preprocessor took 12.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:27:49,942 INFO L168 Benchmark]: RCFGBuilder took 145.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-01 23:27:49,942 INFO L168 Benchmark]: CodeCheck took 1665.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-01 23:27:49,943 INFO L168 Benchmark]: Witness Printer took 46.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-01 23:27:49,944 INFO L335 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, 11 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 440 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 275 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 2439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x + j <= z + y + i && z + y + i <= x + j - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 145.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1665.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...