./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.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_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/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 483f2399523337c7b4e526f7d7e756f2b272f850 ............................................................................................................................................................................................................................................................................ 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 18:19:27,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:19:27,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:19:27,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:19:27,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:19:27,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:19:27,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:19:27,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:19:27,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:19:27,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:19:27,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:19:27,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:19:27,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:19:27,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:19:27,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:19:27,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:19:27,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:19:27,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:19:27,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:19:27,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:19:27,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:19:27,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:19:27,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:19:27,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:19:27,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:19:27,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:19:27,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:19:27,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:19:27,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:19:27,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:19:27,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:19:27,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:19:27,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:19:27,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:19:27,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:19:27,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:19:27,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:19:27,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:19:27,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:19:27,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:19:27,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:19:27,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:19:27,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:19:27,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:19:27,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:19:27,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:19:27,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:19:27,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:19:27,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:19:27,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:19:27,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:19:27,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:19:27,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:19:27,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:19:27,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:19:27,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:19:27,554 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:19:27,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:19:27,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:19:27,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:19:27,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:19:27,556 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:19:27,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:19:27,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:19:27,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:19:27,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:19:27,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:19:27,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:19:27,559 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:19:27,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:19:27,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:19:27,560 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_3687612e-953f-4bfd-9deb-e5d8500dd506/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 483f2399523337c7b4e526f7d7e756f2b272f850 [2020-12-01 18:19:27,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:19:27,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:19:27,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:19:27,964 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:19:27,966 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:19:27,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2020-12-01 18:19:28,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/data/cc65d1798/c74a9fcdcc994752b8c9aaa0668f9f4e/FLAG98259be38 [2020-12-01 18:19:29,090 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:19:29,105 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/sv-benchmarks/c/eca-rers2012/Problem11_label07.c [2020-12-01 18:19:29,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/data/cc65d1798/c74a9fcdcc994752b8c9aaa0668f9f4e/FLAG98259be38 [2020-12-01 18:19:29,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/data/cc65d1798/c74a9fcdcc994752b8c9aaa0668f9f4e [2020-12-01 18:19:29,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:19:29,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:19:29,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:29,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:19:29,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:19:29,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:29" (1/1) ... [2020-12-01 18:19:29,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bad4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:29, skipping insertion in model container [2020-12-01 18:19:29,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:29" (1/1) ... [2020-12-01 18:19:29,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:19:29,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:19:30,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:30,168 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:19:30,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:30,465 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:19:30,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30 WrapperNode [2020-12-01 18:19:30,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:30,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:30,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:19:30,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:19:30,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:30,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:19:30,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:19:30,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:19:30,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... [2020-12-01 18:19:30,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:19:30,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:19:30,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:19:30,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:19:30,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/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 18:19:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:19:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:19:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:19:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:20:03,795 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:20:03,796 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 18:20:03,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:03 BoogieIcfgContainer [2020-12-01 18:20:03,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:20:03,801 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:20:03,802 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:20:03,818 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:20:03,818 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:03" (1/1) ... [2020-12-01 18:20:03,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:20:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:20:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:20:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:20:03,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:04,128 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 18:20:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:20:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:20:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:20:04,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:05,930 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 18:20:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:06,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 18:20:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 18:20:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:20:06,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:09,377 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 18:20:09,631 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-12-01 18:20:10,225 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2020-12-01 18:20:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2020-12-01 18:20:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2020-12-01 18:20:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:20:11,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:14,130 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 18:20:14,262 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-01 18:20:14,397 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-12-01 18:20:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2020-12-01 18:20:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2020-12-01 18:20:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:14,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:20:18,961 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-12-01 18:20:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2020-12-01 18:20:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2020-12-01 18:20:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:21,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:20:24,026 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-12-01 18:20:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2020-12-01 18:20:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2020-12-01 18:20:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:20:25,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:20:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2020-12-01 18:20:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2020-12-01 18:20:28,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:20:28,559 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2020-12-01 18:20:28,567 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:20:28,771 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-01 18:20:29,005 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-01 18:20:29,219 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-01 18:20:29,374 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-12-01 18:20:29,375 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:29,380 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-12-01 18:20:29,389 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-12-01 18:20:29,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:20:29 ImpRootNode [2020-12-01 18:20:29,392 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:20:29,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:20:29,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:20:29,394 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:20:29,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:20:03" (3/4) ... [2020-12-01 18:20:29,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:20:29,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 254 nodes and edges [2020-12-01 18:20:29,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2020-12-01 18:20:29,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 18:20:29,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:20:29,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3687612e-953f-4bfd-9deb-e5d8500dd506/bin/ukojak/witness.graphml [2020-12-01 18:20:29,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:20:29,713 INFO L168 Benchmark]: Toolchain (without parser) took 60491.38 ms. Allocated memory was 81.8 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 47.3 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 356.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,713 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 81.8 MB. Free memory was 41.4 MB in the beginning and 41.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:29,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1249.87 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 48.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 274.97 ms. Allocated memory is still 104.9 MB. Free memory was 48.3 MB in the beginning and 68.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,715 INFO L168 Benchmark]: Boogie Preprocessor took 194.00 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 58.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,716 INFO L168 Benchmark]: RCFGBuilder took 32859.58 ms. Allocated memory was 104.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 58.3 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 501.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,717 INFO L168 Benchmark]: CodeCheck took 25591.18 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.3 GB). Free memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 168.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,718 INFO L168 Benchmark]: Witness Printer took 311.14 ms. Allocated memory is still 2.9 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 26.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:29,720 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: 24.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 844 SDtfs, 1724 SDslu, 1176 SDs, 0 SdLazy, 4794 SolverSat, 654 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 891 GetRequests, 806 SyntacticMatches, 31 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 10.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 16784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 12]: 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((a8 == 15 && ((((0 <= a23 || a29 <= 139) || a25 <= 11) || !(a4 == 1)) || 246 <= a29)) && a3 == 1) || ((a8 == 15 && 13 <= a25) && a3 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((245 < a29 || 12 < a25) || a29 <= 140) || a25 <= 11) || !(a4 == 1)) || 0 < a23 + 43) && a8 == 15) && a3 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 81.8 MB. Free memory was 41.4 MB in the beginning and 41.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1249.87 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.1 MB in the beginning and 48.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 274.97 ms. Allocated memory is still 104.9 MB. Free memory was 48.3 MB in the beginning and 68.8 MB in the end (delta: -20.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 194.00 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 58.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 32859.58 ms. Allocated memory was 104.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 58.3 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 501.8 MB. Max. memory is 16.1 GB. * CodeCheck took 25591.18 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.3 GB). Free memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 168.1 MB. Max. memory is 16.1 GB. * Witness Printer took 311.14 ms. Allocated memory is still 2.9 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 26.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...