./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.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_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/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_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/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_b8714fae-377c-4041-8972-4ca0f16f6a6b/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 27f3eb1553a4773d3ad948aa9e62c9fff0038ffd5b126838e211f7b13e5fc516 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:21:39,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:21:39,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:21:39,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:21:39,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:21:39,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:21:39,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:21:39,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:21:39,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:21:39,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:21:39,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:21:39,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:21:39,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:21:39,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:21:39,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:21:39,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:21:39,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:21:39,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:21:39,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:21:39,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:21:39,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:21:39,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:21:39,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:21:39,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:21:39,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:21:39,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:21:39,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:21:39,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:21:39,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:21:39,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:21:39,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:21:39,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:21:39,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:21:39,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:21:39,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:21:39,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:21:39,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:21:39,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:21:39,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:21:39,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:21:39,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:21:39,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:21:39,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:21:39,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:21:39,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:21:39,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:21:39,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:21:39,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:21:39,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:21:39,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:21:39,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:21:39,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:21:39,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:21:39,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:21:39,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:21:39,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:21:39,529 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:21:39,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:21:39,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:21:39,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:21:39,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:21:39,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:21:39,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:21:39,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:21:39,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:21:39,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:21:39,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:21:39,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:21:39,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:21:39,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:21:39,532 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_b8714fae-377c-4041-8972-4ca0f16f6a6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27f3eb1553a4773d3ad948aa9e62c9fff0038ffd5b126838e211f7b13e5fc516 [2021-11-23 01:21:39,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:21:39,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:21:39,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:21:39,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:21:39,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:21:39,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2021-11-23 01:21:39,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/data/a8060774f/523cfc57f9a34ab8966dfae1c40d7b92/FLAG0b98d3b5a [2021-11-23 01:21:40,524 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:21:40,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2021-11-23 01:21:40,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/data/a8060774f/523cfc57f9a34ab8966dfae1c40d7b92/FLAG0b98d3b5a [2021-11-23 01:21:40,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/data/a8060774f/523cfc57f9a34ab8966dfae1c40d7b92 [2021-11-23 01:21:40,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:21:40,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:21:40,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:21:40,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:21:40,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:21:40,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:40" (1/1) ... [2021-11-23 01:21:40,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e079772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:40, skipping insertion in model container [2021-11-23 01:21:40,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:40" (1/1) ... [2021-11-23 01:21:40,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:21:40,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:21:41,153 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_b8714fae-377c-4041-8972-4ca0f16f6a6b/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2021-11-23 01:21:41,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:21:41,443 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:21:41,490 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_b8714fae-377c-4041-8972-4ca0f16f6a6b/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2021-11-23 01:21:41,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:21:41,579 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:21:41,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41 WrapperNode [2021-11-23 01:21:41,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:21:41,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:21:41,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:21:41,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:21:41,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,721 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 01:21:41,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:21:41,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:21:41,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:21:41,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:21:41,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:21:41,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:21:41,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:21:41,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:21:41,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:41" (1/1) ... [2021-11-23 01:21:41,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:21:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:21:41,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:21:41,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:21:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:21:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:21:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:21:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:21:42,031 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:21:42,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:21:43,387 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:21:46,490 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:21:46,490 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:21:46,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:46 BoogieIcfgContainer [2021-11-23 01:21:46,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:21:46,494 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:21:46,494 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:21:46,504 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:21:46,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:46" (1/1) ... [2021-11-23 01:21:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:21:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:21:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:21:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:21:46,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:46,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,764 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 01:21:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:21:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:21:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:21:46,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,452 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 01:21:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:21:47,837 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:21:47,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:21:47,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 01:21:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 01:21:48,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:21:48,940 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-11-23 01:21:48,952 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:21:49,119 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-23 01:21:49,131 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:21:49,132 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2021-11-23 01:21:49,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:21:49 ImpRootNode [2021-11-23 01:21:49,135 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:21:49,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:21:49,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:21:49,136 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:21:49,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:46" (3/4) ... [2021-11-23 01:21:49,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:21:49,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 223 nodes and edges [2021-11-23 01:21:49,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-11-23 01:21:49,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 01:21:49,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:21:49,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:21:49,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:21:49,456 INFO L158 Benchmark]: Toolchain (without parser) took 8679.59ms. Allocated memory was 94.4MB in the beginning and 767.6MB in the end (delta: 673.2MB). Free memory was 57.6MB in the beginning and 638.9MB in the end (delta: -581.4MB). Peak memory consumption was 232.2MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,456 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:21:49,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.94ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 48.7MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.78ms. Allocated memory is still 94.4MB. Free memory was 48.7MB in the beginning and 39.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,458 INFO L158 Benchmark]: Boogie Preprocessor took 130.84ms. Allocated memory is still 94.4MB. Free memory was 39.0MB in the beginning and 64.9MB in the end (delta: -26.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,459 INFO L158 Benchmark]: RCFGBuilder took 4639.13ms. Allocated memory was 94.4MB in the beginning and 356.5MB in the end (delta: 262.1MB). Free memory was 64.9MB in the beginning and 183.8MB in the end (delta: -118.9MB). Peak memory consumption was 186.5MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,459 INFO L158 Benchmark]: CodeCheck took 2640.64ms. Allocated memory was 356.5MB in the beginning and 767.6MB in the end (delta: 411.0MB). Free memory was 182.8MB in the beginning and 511.1MB in the end (delta: -328.4MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,460 INFO L158 Benchmark]: Witness Printer took 319.36ms. Allocated memory is still 767.6MB. Free memory was 510.2MB in the beginning and 638.9MB in the end (delta: -128.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 01:21:49,462 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: 2.4s, OverallIterations: 4, 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, 54 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 25 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 10/13 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: 146]: 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: 30]: Loop Invariant Derived loop invariant: ((((a12 <= 80 || !(a24 == 1)) || a21 <= 6) || 7 < a21) || a15 <= 5) || 6 < a15 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a12 <= 80 || !(a24 == 1)) || a21 <= 6) || 7 < a21) || a15 <= 5) || 6 < a15 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.94ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 48.7MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.78ms. Allocated memory is still 94.4MB. Free memory was 48.7MB in the beginning and 39.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.84ms. Allocated memory is still 94.4MB. Free memory was 39.0MB in the beginning and 64.9MB in the end (delta: -26.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4639.13ms. Allocated memory was 94.4MB in the beginning and 356.5MB in the end (delta: 262.1MB). Free memory was 64.9MB in the beginning and 183.8MB in the end (delta: -118.9MB). Peak memory consumption was 186.5MB. Max. memory is 16.1GB. * CodeCheck took 2640.64ms. Allocated memory was 356.5MB in the beginning and 767.6MB in the end (delta: 411.0MB). Free memory was 182.8MB in the beginning and 511.1MB in the end (delta: -328.4MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * Witness Printer took 319.36ms. Allocated memory is still 767.6MB. Free memory was 510.2MB in the beginning and 638.9MB in the end (delta: -128.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:21:49,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8714fae-377c-4041-8972-4ca0f16f6a6b/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