./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label18.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_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/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_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/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_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/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 4f044d45d593d0c657bb6e4150ce9a34551ac2fa936f3d19e30c2549cad74ba3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:51,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:51,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:51,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:51,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:51,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:51,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:51,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:51,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:51,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:51,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:51,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:51,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:51,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:51,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:51,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:51,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:51,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:51,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:51,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:51,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:51,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:51,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:51,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:51,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:51,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:51,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:51,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:51,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:51,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:51,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:51,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:51,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:51,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:51,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:51,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:51,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:51,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:51,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:51,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:51,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:51,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:51,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:51,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:51,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:51,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:51,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:51,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:51,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:51,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:51,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:51,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:51,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:51,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:51,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:51,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:51,557 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:51,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:51,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:51,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:51,558 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:51,559 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:51,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:51,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:51,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:51,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:51,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:51,560 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:51,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:51,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:51,561 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_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f044d45d593d0c657bb6e4150ce9a34551ac2fa936f3d19e30c2549cad74ba3 [2021-11-23 01:27:51,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:51,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:51,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:51,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:51,947 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:51,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem11_label18.c [2021-11-23 01:27:52,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/data/72318a266/aabd2597b27c40fa9eb2a879467d29e8/FLAG7befcff26 [2021-11-23 01:27:52,828 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:52,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/sv-benchmarks/c/eca-rers2012/Problem11_label18.c [2021-11-23 01:27:52,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/data/72318a266/aabd2597b27c40fa9eb2a879467d29e8/FLAG7befcff26 [2021-11-23 01:27:52,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/data/72318a266/aabd2597b27c40fa9eb2a879467d29e8 [2021-11-23 01:27:52,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:52,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:52,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:52,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:52,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:52,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:52" (1/1) ... [2021-11-23 01:27:52,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce78a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:52, skipping insertion in model container [2021-11-23 01:27:52,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:52" (1/1) ... [2021-11-23 01:27:52,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:53,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:53,453 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_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/sv-benchmarks/c/eca-rers2012/Problem11_label18.c[4971,4984] [2021-11-23 01:27:53,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:53,857 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:53,886 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_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/sv-benchmarks/c/eca-rers2012/Problem11_label18.c[4971,4984] [2021-11-23 01:27:54,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:54,117 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:54,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54 WrapperNode [2021-11-23 01:27:54,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:54,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:54,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:54,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:54,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,321 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-23 01:27:54,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:54,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:54,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:54,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:54,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:54,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:54,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:54,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:54,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:54" (1/1) ... [2021-11-23 01:27:54,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:54,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:54,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:54,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:54,647 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:54,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:56,722 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:02,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:02,126 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:28:02,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:02 BoogieIcfgContainer [2021-11-23 01:28:02,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:02,131 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:02,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:02,145 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:02,145 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:02" (1/1) ... [2021-11-23 01:28:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:28:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:28:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:28:02,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:02,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,473 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 01:28:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:28:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:28:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:28:02,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:02,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:03,191 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 01:28:04,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 01:28:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 01:28:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:05,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:05,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:08,474 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 01:28:12,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:13,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2021-11-23 01:28:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2021-11-23 01:28:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:28:13,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:13,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:15,474 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 01:28:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-11-23 01:28:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 01:28:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:28:15,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:28:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2021-11-23 01:28:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2021-11-23 01:28:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:28:24,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:24,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:28:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2021-11-23 01:28:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2021-11-23 01:28:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:28:29,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:29,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:28:37,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:40,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:41,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:28:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:28:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:28:41,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:41,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:29:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2021-11-23 01:29:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2021-11-23 01:29:10,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:29:10,766 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-11-23 01:29:10,773 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:29:11,237 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-23 01:29:11,250 INFO L560 CodeCheckObserver]: Invariant with dag size 36 [2021-11-23 01:29:11,254 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:29:11,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:29:11 ImpRootNode [2021-11-23 01:29:11,255 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:29:11,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:29:11,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:29:11,256 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:29:11,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:02" (3/4) ... [2021-11-23 01:29:11,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:29:11,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2021-11-23 01:29:11,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-23 01:29:11,298 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:29:11,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:29:11,500 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:29:11,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:29:11,502 INFO L158 Benchmark]: Toolchain (without parser) took 78518.48ms. Allocated memory was 83.9MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 41.9MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-11-23 01:29:11,502 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:29:11,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1133.55ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 48.3MB in the end (delta: -6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:29:11,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.87ms. Allocated memory is still 104.9MB. Free memory was 47.9MB in the beginning and 69.4MB in the end (delta: -21.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 01:29:11,504 INFO L158 Benchmark]: Boogie Preprocessor took 116.68ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 59.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:29:11,505 INFO L158 Benchmark]: RCFGBuilder took 7690.56ms. Allocated memory was 104.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 59.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 257.5MB. Max. memory is 16.1GB. [2021-11-23 01:29:11,506 INFO L158 Benchmark]: CodeCheck took 69124.27ms. Allocated memory was 1.3GB in the beginning and 3.4GB in the end (delta: 2.1GB). Free memory was 1.1GB in the beginning and 1.9GB in the end (delta: -802.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-11-23 01:29:11,506 INFO L158 Benchmark]: Witness Printer took 244.88ms. Allocated memory is still 3.4GB. Free memory was 1.9GB in the beginning and 1.8GB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 01:29:11,509 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: 68.6s, OverallIterations: 9, 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, 392 SdHoareTripleChecker+Valid, 57.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 374 SdHoareTripleChecker+Invalid, 55.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 167 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 973 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 167 mSolverCounterUnsat, 146 mSDtfsCounter, 973 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1018 SyntacticMatches, 46 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3452 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 10.6s SatisfiabilityAnalysisTime, 40.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 118]: 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: 1044]: Loop Invariant Derived loop invariant: (((a29 <= 277 && a3 == 1) && a8 == 15) || ((a25 <= 12 && a3 == 1) && a8 == 15)) || ((((14 <= a25 || !(a4 == 1)) || 0 <= a23 + 42) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((a3 == 1 && (((!(a25 == 13) || a29 <= 277) || 0 < a23 + 43) || !(a4 == 1))) && a8 == 15) && (277 < a29 || (((((!(a25 == 13) || a29 <= 140) || 245 < a29) || 0 < a23 + 43) || !(a4 == 1)) && (((0 < a23 + 43 || a29 <= 245) || !(a4 == 1)) || !(a25 == 10)))) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1133.55ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 48.3MB in the end (delta: -6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 201.87ms. Allocated memory is still 104.9MB. Free memory was 47.9MB in the beginning and 69.4MB in the end (delta: -21.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.68ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 59.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7690.56ms. Allocated memory was 104.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 59.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 257.5MB. Max. memory is 16.1GB. * CodeCheck took 69124.27ms. Allocated memory was 1.3GB in the beginning and 3.4GB in the end (delta: 2.1GB). Free memory was 1.1GB in the beginning and 1.9GB in the end (delta: -802.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 244.88ms. Allocated memory is still 3.4GB. Free memory was 1.9GB in the beginning and 1.8GB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:29:11,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6259b0d-7c9c-4bff-a1f9-94f91ccf5776/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