./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --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 92aa4dc056ccedcde60ae7f447376d93fb9f66f20db418d40e67517b8efc809e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:48,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:48,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:48,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:48,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:48,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:48,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:48,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:48,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:48,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:48,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:48,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:48,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:48,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:48,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:48,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:48,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:48,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:48,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:48,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:48,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:48,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:48,404 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:48,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:48,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:48,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:48,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:48,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:48,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:48,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:48,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:48,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:48,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:48,408 INFO L153 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_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92aa4dc056ccedcde60ae7f447376d93fb9f66f20db418d40e67517b8efc809e [2023-11-24 23:04:48,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:48,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:48,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:48,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:48,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:48,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem17_label51.c [2023-11-24 23:04:51,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:52,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:52,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/sv-benchmarks/c/eca-rers2012/Problem17_label51.c [2023-11-24 23:04:52,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/data/df16b47ce/4c0348865aa84e7e91bbc742ce221e62/FLAG9aa5be631 [2023-11-24 23:04:52,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/data/df16b47ce/4c0348865aa84e7e91bbc742ce221e62 [2023-11-24 23:04:52,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:52,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:52,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:52,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:52,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:52,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:52" (1/1) ... [2023-11-24 23:04:52,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a014ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:52, skipping insertion in model container [2023-11-24 23:04:52,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:52" (1/1) ... [2023-11-24 23:04:52,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:53,006 WARN L240 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_39906403-6132-4a9b-94d6-95c8440b8446/sv-benchmarks/c/eca-rers2012/Problem17_label51.c[5625,5638] [2023-11-24 23:04:53,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:53,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:53,823 WARN L240 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_39906403-6132-4a9b-94d6-95c8440b8446/sv-benchmarks/c/eca-rers2012/Problem17_label51.c[5625,5638] [2023-11-24 23:04:54,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:54,180 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:54,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54 WrapperNode [2023-11-24 23:04:54,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:54,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:54,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:54,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:54,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,616 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2023-11-24 23:04:54,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:54,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:54,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:54,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:54,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:54,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:55,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:55,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:55,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:55,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:55,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:55,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:54" (1/1) ... [2023-11-24 23:04:55,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:55,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:55,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:55,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39906403-6132-4a9b-94d6-95c8440b8446/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:55,276 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:55,295 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:00,095 INFO L282 CfgBuilder]: Performing block encoding