./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/hhk2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/hhk2008.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/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 ec3b2971b2acb4642d882078251a0cbf2b9f01e8 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:24,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:24,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:24,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:24,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:24,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:24,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:24,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:24,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:24,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:24,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:24,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:24,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:24,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:24,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:24,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:24,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:24,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:24,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:24,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:24,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:24,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:24,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:24,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:24,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:24,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:24,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:24,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:24,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:24,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:24,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:24,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:24,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:24,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:24,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:24,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:24,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:24,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:24,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:24,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:24,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:24,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:24,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:24,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:24,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:24,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:24,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:24,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:24,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:24,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:24,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:24,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:24,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:24,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:24,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:24,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:24,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:24,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:24,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:24,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:24,983 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:24,983 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:24,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:24,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:24,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:24,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:24,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:24,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:24,984 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:24,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:24,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:24,985 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/working_dir_7b990602-9df9-4289-8219-622b88608040/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 -> ec3b2971b2acb4642d882078251a0cbf2b9f01e8 [2019-10-22 10:12:25,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:25,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:25,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:25,024 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:25,025 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:25,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/../../sv-benchmarks/c/loop-lit/hhk2008.i [2019-10-22 10:12:25,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/data/59351da1f/78375bdba7b84353a6715c64456c032b/FLAGdd2467f81 [2019-10-22 10:12:25,443 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:25,443 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/sv-benchmarks/c/loop-lit/hhk2008.i [2019-10-22 10:12:25,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/data/59351da1f/78375bdba7b84353a6715c64456c032b/FLAGdd2467f81 [2019-10-22 10:12:25,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/data/59351da1f/78375bdba7b84353a6715c64456c032b [2019-10-22 10:12:25,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:25,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:25,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:25,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:25,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:25,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:25" (1/1) ... [2019-10-22 10:12:25,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47aa9e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:25, skipping insertion in model container [2019-10-22 10:12:25,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:25" (1/1) ... [2019-10-22 10:12:25,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:25,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:26,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:26,065 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:26,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:26,165 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:26,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26 WrapperNode [2019-10-22 10:12:26,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:26,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:26,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:26,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:26,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:26,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:26,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:26,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:26,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:26,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:26,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:26,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:26,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/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 [2019-10-22 10:12:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:26,471 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:26,471 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:12:26,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:26 BoogieIcfgContainer [2019-10-22 10:12:26,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:26,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:26,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:26,483 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:26,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:26" (1/1) ... [2019-10-22 10:12:26,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-10-22 10:12:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-10-22 10:12:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:12:26,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-10-22 10:12:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-10-22 10:12:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:12:26,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2019-10-22 10:12:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2019-10-22 10:12:27,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:12:27,026 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-10-22 10:12:27,034 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:12:27,050 INFO L575 CodeCheckObserver]: Invariant with dag size 10 [2019-10-22 10:12:27,060 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:27,061 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:27,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:27 ImpRootNode [2019-10-22 10:12:27,061 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:27,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:27,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:27,062 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:27,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:26" (3/4) ... [2019-10-22 10:12:27,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:12:27,076 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:12:27,076 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:12:27,115 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7b990602-9df9-4289-8219-622b88608040/bin/ukojak/witness.graphml [2019-10-22 10:12:27,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:27,118 INFO L168 Benchmark]: Toolchain (without parser) took 1248.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.7 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,118 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:27,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.35 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,120 INFO L168 Benchmark]: Boogie Preprocessor took 26.38 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,120 INFO L168 Benchmark]: RCFGBuilder took 244.59 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,121 INFO L168 Benchmark]: CodeCheck took 588.52 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,121 INFO L168 Benchmark]: Witness Printer took 54.16 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:27,124 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, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 32 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 18]: Loop Invariant Derived loop invariant: (res + cnt <= a + b && a + b <= res + cnt) && res <= a + b - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -209.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.35 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.38 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244.59 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * CodeCheck took 588.52 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Witness Printer took 54.16 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: 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...