./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label58.c --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_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label58.c -s /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/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 f78d0f1c3eef9a43664e34bceb53a1b065448123 ............................................................................................................................................................................................................................................................ 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 18:10:17,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:10:17,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:10:17,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:10:17,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:10:17,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:10:17,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:10:17,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:10:17,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:10:17,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:10:17,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:10:17,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:10:17,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:10:17,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:10:17,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:10:17,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:10:17,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:10:17,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:10:17,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:10:17,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:10:17,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:10:17,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:10:17,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:10:17,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:10:18,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:10:18,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:10:18,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:10:18,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:10:18,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:10:18,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:10:18,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:10:18,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:10:18,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:10:18,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:10:18,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:10:18,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:10:18,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:10:18,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:10:18,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:10:18,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:10:18,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:10:18,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:10:18,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:10:18,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:10:18,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:10:18,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:10:18,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:10:18,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:10:18,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:10:18,044 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:10:18,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:10:18,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:10:18,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:10:18,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:10:18,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:10:18,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:10:18,046 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:10:18,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:10:18,046 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:10:18,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:10:18,047 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:10:18,047 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:10:18,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:10:18,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:10:18,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:10:18,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:10:18,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:10:18,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:10:18,049 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:10:18,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:10:18,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:10:18,049 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_09910f98-8b19-4c08-839d-25ce5e19d042/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78d0f1c3eef9a43664e34bceb53a1b065448123 [2020-12-01 18:10:18,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:10:18,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:10:18,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:10:18,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:10:18,501 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:10:18,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem15_label58.c [2020-12-01 18:10:18,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/data/cce24566f/ac354e1c1c834951aa6bb6099e57ea02/FLAGa7aba4f8b [2020-12-01 18:10:19,429 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:10:19,431 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/sv-benchmarks/c/eca-rers2012/Problem15_label58.c [2020-12-01 18:10:19,466 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/data/cce24566f/ac354e1c1c834951aa6bb6099e57ea02/FLAGa7aba4f8b [2020-12-01 18:10:19,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/data/cce24566f/ac354e1c1c834951aa6bb6099e57ea02 [2020-12-01 18:10:19,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:10:19,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:10:19,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:10:19,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:10:19,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:10:19,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:10:19" (1/1) ... [2020-12-01 18:10:19,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56120d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:19, skipping insertion in model container [2020-12-01 18:10:19,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:10:19" (1/1) ... [2020-12-01 18:10:19,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:10:19,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:10:20,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:10:20,637 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:10:21,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:10:21,109 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:10:21,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21 WrapperNode [2020-12-01 18:10:21,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:10:21,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:10:21,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:10:21,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:10:21,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:10:21,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:10:21,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:10:21,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:10:21,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... [2020-12-01 18:10:21,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:10:21,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:10:21,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:10:21,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:10:21,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/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 18:10:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:10:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:10:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:10:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:12:56,215 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:12:56,215 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 18:12:56,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:56 BoogieIcfgContainer [2020-12-01 18:12:56,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:12:56,238 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:12:56,238 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:12:56,249 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:12:56,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:56" (1/1) ... [2020-12-01 18:12:56,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:12:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:56,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:12:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:12:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:12:56,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:12:56,545 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 18:12:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:12:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:12:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:12:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:12:57,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:12:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 18:13:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 18:13:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:13:02,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:14,402 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2020-12-01 18:13:14,997 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-01 18:13:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2020-12-01 18:13:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2020-12-01 18:13:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:13:15,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:13:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:22,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2020-12-01 18:13:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2020-12-01 18:13:22,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:13:22,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:13:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:13:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:13:31,514 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 18:13:52,994 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2020-12-01 18:13:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:13:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2020-12-01 18:13:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2020-12-01 18:13:53,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:13:53,576 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 18:13:53,582 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:13:54,337 WARN L197 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-12-01 18:13:54,711 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-01 18:13:55,254 WARN L197 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-12-01 18:13:55,802 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-12-01 18:13:55,803 INFO L569 CodeCheckObserver]: Invariant with dag size 44 [2020-12-01 18:13:55,821 INFO L569 CodeCheckObserver]: Invariant with dag size 39 [2020-12-01 18:13:55,822 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:13:55,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:13:55 ImpRootNode [2020-12-01 18:13:55,823 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:13:55,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:13:55,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:13:55,824 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:13:55,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:12:56" (3/4) ... [2020-12-01 18:13:55,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:13:55,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 395 nodes and edges [2020-12-01 18:13:55,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2020-12-01 18:13:55,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:13:55,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:13:56,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_09910f98-8b19-4c08-839d-25ce5e19d042/bin/ukojak/witness.graphml [2020-12-01 18:13:56,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:13:56,336 INFO L168 Benchmark]: Toolchain (without parser) took 216793.89 ms. Allocated memory was 113.2 MB in the beginning and 5.7 GB in the end (delta: 5.6 GB). Free memory was 82.1 MB in the beginning and 5.0 GB in the end (delta: -4.9 GB). Peak memory consumption was 2.2 GB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,337 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 113.2 MB. Free memory was 70.0 MB in the beginning and 69.9 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:13:56,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1575.56 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 81.8 MB in the beginning and 81.7 MB in the end (delta: 176.7 kB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.14 ms. Allocated memory is still 136.3 MB. Free memory was 81.7 MB in the beginning and 78.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,338 INFO L168 Benchmark]: Boogie Preprocessor took 201.79 ms. Allocated memory is still 136.3 MB. Free memory was 78.3 MB in the beginning and 57.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,339 INFO L168 Benchmark]: RCFGBuilder took 154621.61 ms. Allocated memory was 136.3 MB in the beginning and 5.7 GB in the end (delta: 5.6 GB). Free memory was 57.3 MB in the beginning and 4.9 GB in the end (delta: -4.9 GB). Peak memory consumption was 886.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,339 INFO L168 Benchmark]: CodeCheck took 59585.31 ms. Allocated memory is still 5.7 GB. Free memory was 4.9 GB in the beginning and 3.4 GB in the end (delta: 1.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,340 INFO L168 Benchmark]: Witness Printer took 511.66 ms. Allocated memory is still 5.7 GB. Free memory was 3.4 GB in the beginning and 5.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:13:56,342 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, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.3s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 384 SDslu, 280 SDs, 0 SdLazy, 1106 SolverSat, 198 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 38.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 519 GetRequests, 458 SyntacticMatches, 9 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 16.3s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 8136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((!((a2 == 1 && a29 + 127 <= 0) && 0 <= a29 + 127) && 0 <= a0 + 44) || (a4 + 89 <= 0 && a29 + 127 <= 0)) || ((0 <= a0 + 60 || a29 <= 43) && !(0 <= a0 + 44))) || (!(a29 <= 43) && !(!(0 < a4 + 86 || a0 + 98 <= 0) && 5 == a2)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (a4 + 89 <= 0 && a29 + 127 <= 0) || (!(((a2 == 1 && 0 <= a0 + 44) && a29 + 127 <= 0) && 0 <= a29 + 127) && !(!(((0 < a4 + 86 || a29 <= 43) || 0 < a0 + 61) || a0 + 98 <= 0) && 5 == a2)) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 113.2 MB. Free memory was 70.0 MB in the beginning and 69.9 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1575.56 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 81.8 MB in the beginning and 81.7 MB in the end (delta: 176.7 kB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 289.14 ms. Allocated memory is still 136.3 MB. Free memory was 81.7 MB in the beginning and 78.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 201.79 ms. Allocated memory is still 136.3 MB. Free memory was 78.3 MB in the beginning and 57.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 154621.61 ms. Allocated memory was 136.3 MB in the beginning and 5.7 GB in the end (delta: 5.6 GB). Free memory was 57.3 MB in the beginning and 4.9 GB in the end (delta: -4.9 GB). Peak memory consumption was 886.2 MB. Max. memory is 16.1 GB. * CodeCheck took 59585.31 ms. Allocated memory is still 5.7 GB. Free memory was 4.9 GB in the beginning and 3.4 GB in the end (delta: 1.5 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 511.66 ms. Allocated memory is still 5.7 GB. Free memory was 3.4 GB in the beginning and 5.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...