./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark33_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark33_linear.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 253b2faf1fd07f8ed6c1bf4b29898320ad70d218 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:25:08,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:25:08,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:25:08,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:25:08,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:25:08,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:25:08,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:25:08,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:25:08,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:25:08,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:25:08,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:25:08,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:25:08,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:25:08,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:25:08,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:25:08,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:25:08,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:25:08,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:25:08,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:25:08,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:25:08,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:25:08,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:25:08,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:25:08,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:25:08,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:25:08,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:25:08,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:25:08,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:25:08,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:25:08,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:25:08,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:25:08,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:25:08,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:25:08,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:25:08,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:25:08,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:25:08,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:25:08,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:25:08,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:25:08,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:25:08,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:25:08,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:25:08,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:25:08,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:25:08,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:25:08,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:25:08,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:25:08,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:25:08,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:25:08,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:25:08,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:25:08,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:25:08,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:25:08,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:25:08,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:25:08,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:25:08,470 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:25:08,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:25:08,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:25:08,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:25:08,471 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:25:08,471 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:25:08,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:25:08,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:25:08,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:25:08,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:25:08,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:25:08,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:25:08,474 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:25:08,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:25:08,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:25:08,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253b2faf1fd07f8ed6c1bf4b29898320ad70d218 [2020-12-01 17:25:08,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:25:08,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:25:08,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:25:08,846 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:25:08,848 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:25:08,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark33_linear.i [2020-12-01 17:25:08,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/data/00783f631/a5abc3c4f4a943e98a4875a5143c1cf0/FLAG26c808964 [2020-12-01 17:25:09,648 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:25:09,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/sv-benchmarks/c/loop-zilu/benchmark33_linear.i [2020-12-01 17:25:09,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/data/00783f631/a5abc3c4f4a943e98a4875a5143c1cf0/FLAG26c808964 [2020-12-01 17:25:09,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/data/00783f631/a5abc3c4f4a943e98a4875a5143c1cf0 [2020-12-01 17:25:09,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:25:09,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:25:09,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:25:09,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:25:09,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:25:09,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:25:09" (1/1) ... [2020-12-01 17:25:10,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15489834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:09, skipping insertion in model container [2020-12-01 17:25:10,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:25:09" (1/1) ... [2020-12-01 17:25:10,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:25:10,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:25:10,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:25:10,247 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:25:10,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:25:10,283 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:25:10,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10 WrapperNode [2020-12-01 17:25:10,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:25:10,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:25:10,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:25:10,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:25:10,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:25:10,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:25:10,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:25:10,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:25:10,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:25:10,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:25:10,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:25:10,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:25:10,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/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 [2020-12-01 17:25:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:25:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:25:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:25:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:25:10,726 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:25:10,727 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:25:10,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:25:10 BoogieIcfgContainer [2020-12-01 17:25:10,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:25:10,731 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:25:10,731 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:25:10,758 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:25:10,759 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:25:10" (1/1) ... [2020-12-01 17:25:10,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:25:10,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-12-01 17:25:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-12-01 17:25:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:25:10,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:25:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2020-12-01 17:25:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2020-12-01 17:25:11,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:25:11,290 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2020-12-01 17:25:11,298 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:25:11,319 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:25:11,323 INFO L569 CodeCheckObserver]: Invariant with dag size 5 [2020-12-01 17:25:11,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:25:11 ImpRootNode [2020-12-01 17:25:11,333 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:25:11,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:25:11,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:25:11,337 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:25:11,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:25:10" (3/4) ... [2020-12-01 17:25:11,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:25:11,353 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:25:11,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:25:11,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:25:11,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:25:11,428 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a30f4a39-cdf2-46d3-b986-69891d41926b/bin/ukojak/witness.graphml [2020-12-01 17:25:11,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:25:11,430 INFO L168 Benchmark]: Toolchain (without parser) took 1441.43 ms. Allocated memory is still 109.1 MB. Free memory was 73.7 MB in the beginning and 50.6 MB in the end (delta: 23.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:11,431 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory was 81.1 MB in the beginning and 81.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:25:11,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.43 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 84.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:11,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 83.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:11,433 INFO L168 Benchmark]: Boogie Preprocessor took 26.08 ms. Allocated memory is still 109.1 MB. Free memory was 83.2 MB in the beginning and 82.6 MB in the end (delta: 586.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:25:11,433 INFO L168 Benchmark]: RCFGBuilder took 369.40 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 69.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:11,434 INFO L168 Benchmark]: CodeCheck took 602.89 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 53.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:11,434 INFO L168 Benchmark]: Witness Printer took 91.90 ms. Allocated memory is still 109.1 MB. Free memory was 53.1 MB in the beginning and 50.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:11,442 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 11]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 < x + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory was 81.1 MB in the beginning and 81.1 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.43 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 84.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 83.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.08 ms. Allocated memory is still 109.1 MB. Free memory was 83.2 MB in the beginning and 82.6 MB in the end (delta: 586.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 369.40 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 69.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 602.89 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 53.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 91.90 ms. Allocated memory is still 109.1 MB. Free memory was 53.1 MB in the beginning and 50.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...