./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/quick_sort_split.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_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/quick_sort_split.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/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 e29cb2168e7bab34fbc89c12b0474d2c34d77836 ................................................................................................................................................................................................................................................... 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 16:45:16,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:45:16,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:45:16,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:45:16,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:45:16,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:45:16,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:45:16,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:45:16,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:45:16,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:45:16,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:45:16,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:45:16,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:45:16,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:45:16,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:45:16,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:45:16,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:45:16,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:45:16,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:45:16,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:45:16,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:45:16,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:45:16,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:45:16,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:45:16,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:45:16,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:45:16,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:45:16,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:45:16,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:45:16,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:45:16,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:45:16,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:45:16,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:45:16,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:45:16,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:45:16,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:45:16,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:45:16,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:45:16,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:45:16,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:45:16,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:45:16,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:45:16,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:45:16,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:45:16,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:45:16,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:45:16,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:45:16,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:45:16,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:45:16,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:45:16,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:45:16,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:45:16,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:45:16,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:45:16,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:45:16,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:45:16,549 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:45:16,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:45:16,549 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:45:16,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:45:16,550 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:45:16,550 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:45:16,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:45:16,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:45:16,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:45:16,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:45:16,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:45:16,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:45:16,552 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:45:16,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:45:16,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:45:16,552 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_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e29cb2168e7bab34fbc89c12b0474d2c34d77836 [2020-12-01 16:45:16,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:45:16,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:45:16,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:45:16,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:45:16,824 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:45:16,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/../../sv-benchmarks/c/heap-data/quick_sort_split.i [2020-12-01 16:45:16,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/data/c768042c9/b57786c7864e4f5fb0ce48547d624d19/FLAG9838c90be [2020-12-01 16:45:17,527 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:45:17,528 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/sv-benchmarks/c/heap-data/quick_sort_split.i [2020-12-01 16:45:17,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/data/c768042c9/b57786c7864e4f5fb0ce48547d624d19/FLAG9838c90be [2020-12-01 16:45:17,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/data/c768042c9/b57786c7864e4f5fb0ce48547d624d19 [2020-12-01 16:45:17,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:45:17,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:45:17,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:17,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:45:17,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:45:17,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:17" (1/1) ... [2020-12-01 16:45:17,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623681b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:17, skipping insertion in model container [2020-12-01 16:45:17,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:17" (1/1) ... [2020-12-01 16:45:17,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:45:17,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:45:18,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:18,288 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:45:18,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:18,389 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:45:18,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18 WrapperNode [2020-12-01 16:45:18,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:18,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:18,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:45:18,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:45:18,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:18,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:45:18,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:45:18,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:45:18,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... [2020-12-01 16:45:18,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:45:18,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:45:18,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:45:18,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:45:18,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/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 16:45:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 16:45:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 16:45:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:45:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:45:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:45:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:45:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:45:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:45:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:45:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:45:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:45:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_list [2020-12-01 16:45:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_list [2020-12-01 16:45:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:45:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:45:19,260 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:45:19,261 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-01 16:45:19,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:45:19 BoogieIcfgContainer [2020-12-01 16:45:19,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:45:19,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:45:19,265 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:45:19,276 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:45:19,276 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:45:19" (1/1) ... [2020-12-01 16:45:19,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:45:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2020-12-01 16:45:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2020-12-01 16:45:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:45:19,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:19,454 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 16:45:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2020-12-01 16:45:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2020-12-01 16:45:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 16:45:19,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:19,524 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 16:45:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2020-12-01 16:45:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-12-01 16:45:19,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:45:19,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:45:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:45:19,653 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 16:45:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:45:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2020-12-01 16:45:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-12-01 16:45:19,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:45:19,777 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2020-12-01 16:45:19,783 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:45:19,815 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:45:19,819 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:45:19,820 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2020-12-01 16:45:19,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:45:19 ImpRootNode [2020-12-01 16:45:19,826 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:45:19,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:45:19,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:45:19,827 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:45:19,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:45:19" (3/4) ... [2020-12-01 16:45:19,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:45:19,835 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-12-01 16:45:19,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure append_to_list [2020-12-01 16:45:19,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-01 16:45:19,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 16:45:19,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:45:19,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:45:19,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9b5979db-4b3c-4bd7-b96d-a1bfd6258d71/bin/ukojak/witness.graphml [2020-12-01 16:45:19,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:45:19,902 INFO L168 Benchmark]: Toolchain (without parser) took 2065.45 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.8 MB in the beginning and 62.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,903 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 44.3 MB in the beginning and 44.3 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:45:19,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.25 ms. Allocated memory is still 86.0 MB. Free memory was 53.6 MB in the beginning and 49.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.05 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 47.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,905 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 86.0 MB. Free memory was 47.6 MB in the beginning and 46.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,906 INFO L168 Benchmark]: RCFGBuilder took 800.58 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.2 MB in the beginning and 67.2 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,906 INFO L168 Benchmark]: CodeCheck took 562.14 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 65.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,907 INFO L168 Benchmark]: Witness Printer took 73.57 ms. Allocated memory is still 104.9 MB. Free memory was 64.8 MB in the beginning and 62.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:19,910 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 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 28 SDslu, 16 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 533 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 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: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((high == 0 && low == 0) && high == 0) && low == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 44.3 MB in the beginning and 44.3 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 550.25 ms. Allocated memory is still 86.0 MB. Free memory was 53.6 MB in the beginning and 49.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.05 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 47.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 86.0 MB. Free memory was 47.6 MB in the beginning and 46.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 800.58 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 46.2 MB in the beginning and 67.2 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * CodeCheck took 562.14 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 65.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * Witness Printer took 73.57 ms. Allocated memory is still 104.9 MB. Free memory was 64.8 MB in the beginning and 62.2 MB in the end (delta: 2.6 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...