./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.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_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/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_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/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_28e6d2c9-273b-4809-9ede-8ee119ee09a5/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 a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:22:32,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:22:32,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:22:32,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:22:32,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:22:32,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:22:32,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:22:32,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:22:32,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:22:32,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:22:32,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:22:32,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:22:32,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:22:32,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:22:32,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:22:32,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:22:32,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:22:32,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:22:32,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:22:32,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:22:32,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:22:32,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:22:32,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:22:32,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:22:32,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:22:32,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:22:32,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:22:32,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:22:32,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:22:32,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:22:32,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:22:32,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:22:32,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:22:32,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:22:32,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:22:32,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:22:32,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:22:32,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:22:32,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:22:32,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:22:32,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:22:32,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:22:32,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:22:32,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:22:32,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:22:32,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:22:32,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:22:32,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:22:32,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:22:32,566 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:22:32,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:22:32,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:22:32,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:22:32,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:22:32,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:22:32,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:22:32,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:22:32,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:22:32,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:22:32,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:22:32,575 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:22:32,576 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:22:32,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:22:32,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:32,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:22:32,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:22:32,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:22:32,577 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:22:32,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:22:32,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:22:32,578 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_28e6d2c9-273b-4809-9ede-8ee119ee09a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b85a68724f5afc4ed57f536cb2f17f7de1e36fdc537e0c0591e3a43de5da10 [2021-11-23 00:22:32,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:22:32,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:22:32,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:22:32,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:22:32,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:22:32,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2021-11-23 00:22:32,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/data/862ee901b/4fa1dc9f7dce42578b192a77d62d565d/FLAGf8e3cdfbb [2021-11-23 00:22:33,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:22:33,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2021-11-23 00:22:33,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/data/862ee901b/4fa1dc9f7dce42578b192a77d62d565d/FLAGf8e3cdfbb [2021-11-23 00:22:33,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/data/862ee901b/4fa1dc9f7dce42578b192a77d62d565d [2021-11-23 00:22:33,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:22:33,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:22:33,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:33,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:22:33,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:22:33,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:33" (1/1) ... [2021-11-23 00:22:33,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2604c52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:33, skipping insertion in model container [2021-11-23 00:22:33,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:33" (1/1) ... [2021-11-23 00:22:33,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:22:33,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:22:34,058 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_28e6d2c9-273b-4809-9ede-8ee119ee09a5/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2021-11-23 00:22:34,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:34,228 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:22:34,251 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_28e6d2c9-273b-4809-9ede-8ee119ee09a5/sv-benchmarks/c/eca-rers2012/Problem10_label43.c[4120,4133] [2021-11-23 00:22:34,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:34,393 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:22:34,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34 WrapperNode [2021-11-23 00:22:34,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:34,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:34,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:22:34,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:22:34,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,508 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-23 00:22:34,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:34,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:22:34,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:22:34,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:22:34,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:22:34,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:22:34,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:22:34,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:22:34,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:34" (1/1) ... [2021-11-23 00:22:34,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:34,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:22:34,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:22:34,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:22:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:22:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:22:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:22:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:22:34,772 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:22:34,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:22:35,823 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:22:37,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:22:37,559 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:22:37,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:37 BoogieIcfgContainer [2021-11-23 00:22:37,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:22:37,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:22:37,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:22:37,574 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:22:37,575 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:37" (1/1) ... [2021-11-23 00:22:37,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:22:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 00:22:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 00:22:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:22:37,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:37,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:37,864 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 00:22:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 00:22:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 00:22:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:22:37,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:37,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:38,691 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 00:22:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 00:22:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 00:22:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:22:39,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:39,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:22:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-23 00:22:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-23 00:22:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:22:40,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:40,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:22:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:22:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:22:41,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:22:41,153 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-11-23 00:22:41,161 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:22:41,413 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2021-11-23 00:22:41,423 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 00:22:41,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:22:41,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:22:41 ImpRootNode [2021-11-23 00:22:41,425 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:22:41,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:22:41,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:22:41,426 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:22:41,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:37" (3/4) ... [2021-11-23 00:22:41,429 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:22:41,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 185 nodes and edges [2021-11-23 00:22:41,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-23 00:22:41,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 00:22:41,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:22:41,622 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:22:41,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:22:41,623 INFO L158 Benchmark]: Toolchain (without parser) took 7849.82ms. Allocated memory was 100.7MB in the beginning and 369.1MB in the end (delta: 268.4MB). Free memory was 66.2MB in the beginning and 122.1MB in the end (delta: -55.9MB). Peak memory consumption was 211.9MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,624 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:22:41,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.13ms. Allocated memory is still 100.7MB. Free memory was 66.0MB in the beginning and 58.4MB in the end (delta: 7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.02ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 50.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,625 INFO L158 Benchmark]: Boogie Preprocessor took 110.49ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 92.8MB in the end (delta: -42.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,625 INFO L158 Benchmark]: RCFGBuilder took 2941.26ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 92.8MB in the beginning and 56.5MB in the end (delta: 36.2MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,626 INFO L158 Benchmark]: CodeCheck took 3862.39ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 56.5MB in the beginning and 138.9MB in the end (delta: -82.3MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,626 INFO L158 Benchmark]: Witness Printer took 197.14ms. Allocated memory is still 369.1MB. Free memory was 138.9MB in the beginning and 122.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:22:41,629 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: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 42 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 305 SyntacticMatches, 11 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 8/23 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: 119]: 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: 592]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (0 <= a1 + 12 || !(a10 == 1))) || (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && 9 <= a19) || ((14 == a4 && a12 == 0) && ((!(a10 == 1) || a19 <= 7) || 0 < a1 + 13)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.13ms. Allocated memory is still 100.7MB. Free memory was 66.0MB in the beginning and 58.4MB in the end (delta: 7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.02ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 50.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.49ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 92.8MB in the end (delta: -42.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2941.26ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 92.8MB in the beginning and 56.5MB in the end (delta: 36.2MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. * CodeCheck took 3862.39ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 56.5MB in the beginning and 138.9MB in the end (delta: -82.3MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 197.14ms. Allocated memory is still 369.1MB. Free memory was 138.9MB in the beginning and 122.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:22:41,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e6d2c9-273b-4809-9ede-8ee119ee09a5/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