./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ --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 2937f5953993aa4d6e5a2b4e477fd67f649eb79fefa51556f9f9db8f2ffb7a65 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:12,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:12,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:12,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:12,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:12,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:12,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:12,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:12,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:12,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:12,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:12,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:12,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:12,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:12,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:12,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:12,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:12,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:12,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:12,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:12,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:12,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:12,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:12,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:12,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:12,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:12,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:12,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:12,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:12,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:12,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:12,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:12,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:12,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:12,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:12,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:12,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:12,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:12,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:12,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:12,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:12,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:12,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:12,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:12,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:12,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:12,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:12,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:12,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:12,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:12,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:12,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:12,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:12,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:12,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:12,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:12,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:12,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:12,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:12,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:12,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:12,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:12,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:12,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:12,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:12,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:12,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:12,522 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:12,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:12,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:12,524 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_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2937f5953993aa4d6e5a2b4e477fd67f649eb79fefa51556f9f9db8f2ffb7a65 [2021-11-23 01:27:12,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:12,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:12,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:12,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:12,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:12,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem16_label36.c [2021-11-23 01:27:12,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/data/c263b4d29/f73baf19b4e848a08b05ee251901d4b5/FLAG0fef74607 [2021-11-23 01:27:13,660 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:13,660 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/sv-benchmarks/c/eca-rers2012/Problem16_label36.c [2021-11-23 01:27:13,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/data/c263b4d29/f73baf19b4e848a08b05ee251901d4b5/FLAG0fef74607 [2021-11-23 01:27:13,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/data/c263b4d29/f73baf19b4e848a08b05ee251901d4b5 [2021-11-23 01:27:13,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:13,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:13,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:13,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:13,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:13,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:13" (1/1) ... [2021-11-23 01:27:13,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceffa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:13, skipping insertion in model container [2021-11-23 01:27:13,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:13" (1/1) ... [2021-11-23 01:27:13,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:13,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:14,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/sv-benchmarks/c/eca-rers2012/Problem16_label36.c[3906,3919] [2021-11-23 01:27:14,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:14,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:14,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/sv-benchmarks/c/eca-rers2012/Problem16_label36.c[3906,3919] [2021-11-23 01:27:14,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:15,008 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:15,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15 WrapperNode [2021-11-23 01:27:15,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:15,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:15,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:15,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:15,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,196 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-11-23 01:27:15,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:15,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:15,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:15,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:15,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:15,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:15,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:15,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:15,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:15" (1/1) ... [2021-11-23 01:27:15,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:15,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:15,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:15,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:15,593 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:15,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:17,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:28,730 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:28,730 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:27:28,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:28 BoogieIcfgContainer [2021-11-23 01:27:28,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:28,734 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:28,735 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:28,746 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:28,748 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:28" (1/1) ... [2021-11-23 01:27:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:27:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:27:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:27:28,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:28,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-23 01:27:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-23 01:27:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:27:29,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:29,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:38,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:27:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-23 01:27:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-23 01:27:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:27:39,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:51,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:27:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-11-23 01:27:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-11-23 01:27:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:53,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:53,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:08,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2021-11-23 01:28:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2021-11-23 01:28:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:28:08,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:08,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2021-11-23 01:28:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2021-11-23 01:28:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:13,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:28:17,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 34 states and 70 transitions. [2021-11-23 01:28:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 70 transitions. [2021-11-23 01:28:18,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:28:18,116 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-11-23 01:28:18,126 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:28:18,465 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2021-11-23 01:28:18,477 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2021-11-23 01:28:18,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:28:18,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:28:18 ImpRootNode [2021-11-23 01:28:18,478 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:28:18,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:28:18,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:28:18,479 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:28:18,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:28" (3/4) ... [2021-11-23 01:28:18,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:28:18,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 376 nodes and edges [2021-11-23 01:28:18,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 01:28:18,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:28:18,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:28:18,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:28:18,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:28:18,856 INFO L158 Benchmark]: Toolchain (without parser) took 65025.92ms. Allocated memory was 83.9MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 46.0MB in the beginning and 7.0GB in the end (delta: -6.9GB). Peak memory consumption was 648.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,857 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:18,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1177.03ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 70.7MB in the end (delta: -24.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.28ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 47.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,859 INFO L158 Benchmark]: Boogie Preprocessor took 216.93ms. Allocated memory is still 111.1MB. Free memory was 47.1MB in the beginning and 59.2MB in the end (delta: -12.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,859 INFO L158 Benchmark]: RCFGBuilder took 13317.87ms. Allocated memory was 111.1MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 59.2MB in the beginning and 7.1GB in the end (delta: -7.1GB). Peak memory consumption was 772.7MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,860 INFO L158 Benchmark]: CodeCheck took 49743.99ms. Allocated memory is still 7.7GB. Free memory was 7.1GB in the beginning and 7.0GB in the end (delta: 115.8MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,860 INFO L158 Benchmark]: Witness Printer took 376.36ms. Allocated memory is still 7.7GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 01:28:18,863 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. OverallTime: 49.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 120.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 119.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 572 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 86 mSDtfsCounter, 572 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 779 GetRequests, 684 SyntacticMatches, 25 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2407 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 7.0s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 1241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 36/91 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: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((9 < a12 || a18 + 156 <= 0) || 0 < a18 + 79) || !(a15 == 3)) || a12 <= 8) || !(a16 == 9) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((9 < a12 || a18 + 156 <= 0) || 0 < a18 + 79) || !(a15 == 3)) || a12 <= 8) || !(a16 == 9) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1177.03ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 70.7MB in the end (delta: -24.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.28ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 47.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 216.93ms. Allocated memory is still 111.1MB. Free memory was 47.1MB in the beginning and 59.2MB in the end (delta: -12.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 13317.87ms. Allocated memory was 111.1MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 59.2MB in the beginning and 7.1GB in the end (delta: -7.1GB). Peak memory consumption was 772.7MB. Max. memory is 16.1GB. * CodeCheck took 49743.99ms. Allocated memory is still 7.7GB. Free memory was 7.1GB in the beginning and 7.0GB in the end (delta: 115.8MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * Witness Printer took 376.36ms. Allocated memory is still 7.7GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:28:18,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973630d3-5452-4cec-ad01-6d3fb9a8a2a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE