./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum04-2.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_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/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 1dbb3ffac91b20f4dd3e7b4eb671e84b2870fc33 .......................................................................................................................................................................................................................................................................... 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 10:14:07,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:07,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:07,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:07,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:07,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:07,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:07,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:07,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:07,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:07,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:07,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:07,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:07,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:07,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:07,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:07,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:07,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:07,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:07,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:07,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:07,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:07,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:07,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:07,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:07,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:07,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:07,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:07,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:07,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:07,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:07,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:07,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:07,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:07,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:07,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:07,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:07,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:07,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:07,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:07,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:07,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:14:07,082 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:07,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:07,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:07,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:07,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:07,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:07,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:07,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:07,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:07,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:07,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:07,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:07,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:07,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:07,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:07,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:07,085 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:07,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:07,086 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:07,086 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:07,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:07,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:07,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:07,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:07,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:07,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:07,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:07,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:07,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:07,087 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_2910a10d-b496-40fd-847f-1a89ffbfc5f4/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 -> 1dbb3ffac91b20f4dd3e7b4eb671e84b2870fc33 [2019-10-22 10:14:07,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:07,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:07,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:07,124 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:07,125 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:07,125 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/../../sv-benchmarks/c/loops/sum04-2.i [2019-10-22 10:14:07,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/data/a141ff3ac/d9242b7924ee4d94832ef8edea986147/FLAG21279d88e [2019-10-22 10:14:07,530 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:07,530 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/sv-benchmarks/c/loops/sum04-2.i [2019-10-22 10:14:07,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/data/a141ff3ac/d9242b7924ee4d94832ef8edea986147/FLAG21279d88e [2019-10-22 10:14:07,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/data/a141ff3ac/d9242b7924ee4d94832ef8edea986147 [2019-10-22 10:14:07,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:07,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:07,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:07,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:07,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:07,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117dbde0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07, skipping insertion in model container [2019-10-22 10:14:07,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,567 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:07,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:07,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:07,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:07,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:07,783 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:07,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07 WrapperNode [2019-10-22 10:14:07,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:07,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:07,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:07,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:07,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:07,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:07,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:07,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:07,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... [2019-10-22 10:14:07,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:07,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:07,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:07,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:07,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/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 10:14:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:08,087 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:08,087 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:14:08,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:08 BoogieIcfgContainer [2019-10-22 10:14:08,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:08,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:08,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:08,099 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:08,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:08" (1/1) ... [2019-10-22 10:14:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-10-22 10:14:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-10-22 10:14:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:14:08,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,348 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 10:14:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-10-22 10:14:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-10-22 10:14:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:14:08,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,455 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 10:14:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-10-22 10:14:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-10-22 10:14:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:14:08,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-10-22 10:14:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-10-22 10:14:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:08,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-10-22 10:14:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-10-22 10:14:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:14:08,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-10-22 10:14:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-10-22 10:14:08,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:08,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2019-10-22 10:14:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-10-22 10:14:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:14:08,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2019-10-22 10:14:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-10-22 10:14:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:08,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-10-22 10:14:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-10-22 10:14:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:09,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2019-10-22 10:14:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-10-22 10:14:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:14:10,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2019-10-22 10:14:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-10-22 10:14:11,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:11,079 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2019-10-22 10:14:11,086 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:14:11,133 INFO L575 CodeCheckObserver]: Invariant with dag size 60 [2019-10-22 10:14:11,145 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:11,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:11 ImpRootNode [2019-10-22 10:14:11,146 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:11,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:11,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:11,146 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:11,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:08" (3/4) ... [2019-10-22 10:14:11,151 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:11,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 10:14:11,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:14:11,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2910a10d-b496-40fd-847f-1a89ffbfc5f4/bin/ukojak/witness.graphml [2019-10-22 10:14:11,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:11,197 INFO L168 Benchmark]: Toolchain (without parser) took 3646.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.8 MB in the beginning and 892.9 MB in the end (delta: 53.0 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,197 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:11,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:11,199 INFO L168 Benchmark]: Boogie Preprocessor took 16.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:11,199 INFO L168 Benchmark]: RCFGBuilder took 261.30 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,200 INFO L168 Benchmark]: CodeCheck took 3057.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.8 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,200 INFO L168 Benchmark]: Witness Printer took 48.71 ms. Allocated memory is still 1.2 GB. Free memory was 899.8 MB in the beginning and 892.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:11,203 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, 7 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1536 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6798 SolverSat, 5698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 619 GetRequests, 483 SyntacticMatches, 44 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3711 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 2040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 45/165 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: 13]: Loop Invariant Derived loop invariant: ((((((((((2 <= sn && i <= 2) && 1 < i) && sn <= 2) || (((sn <= 10 && i <= 6) && 10 <= sn) && 5 < i)) || (((sn <= 12 && 6 < i) && 12 <= sn) && i <= 7)) || (((7 < i && 14 <= sn) && i <= 8) && sn <= 14)) || ((16 <= sn && 8 < i) && sn <= 16)) || (((2 < i && i <= 3) && sn <= 4) && 4 <= sn)) || (((sn <= 0 && 1 <= i) && i <= 1) && 0 <= sn)) || (((8 <= sn && 4 < i) && i <= 5) && sn <= 8)) || (((3 < i && sn <= 6) && 6 <= sn) && i <= 4) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 261.30 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3057.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.8 MB in the end (delta: 225.4 MB). Peak memory consumption was 225.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.71 ms. Allocated memory is still 1.2 GB. Free memory was 899.8 MB in the beginning and 892.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...