./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3 --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 a80c34c69ea92e598c80ccf03bf3c5fb80710e710dc5cd3eda9f5fd5b935b604 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:55:55,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:55:55,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:55:55,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:55:55,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:55:55,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:55:55,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:55:55,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:55:55,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:55:55,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:55:55,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:55:55,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:55:55,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:55:55,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:55:55,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:55:55,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:55:55,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:55:55,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:55:55,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:55:55,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:55:55,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:55:55,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:55:55,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:55:55,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:55:55,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:55:55,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:55:55,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:55:55,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3 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 -> a80c34c69ea92e598c80ccf03bf3c5fb80710e710dc5cd3eda9f5fd5b935b604 [2024-11-25 03:55:55,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:55:55,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:55:55,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:55:55,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:55:55,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:55:55,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem08_label28.c [2024-11-25 03:55:58,629 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/data/94fa4751f/de705fde645041778a55a4d5171118e9/FLAG2a3cdb77b [2024-11-25 03:56:01,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:01,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/sv-benchmarks/c/eca-rers2012/Problem08_label28.c [2024-11-25 03:56:01,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/data/94fa4751f/de705fde645041778a55a4d5171118e9/FLAG2a3cdb77b [2024-11-25 03:56:01,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/data/94fa4751f/de705fde645041778a55a4d5171118e9 [2024-11-25 03:56:01,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:01,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:01,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:01,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:01,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:01,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:01" (1/1) ... [2024-11-25 03:56:01,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8e8150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:01, skipping insertion in model container [2024-11-25 03:56:01,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:01" (1/1) ... [2024-11-25 03:56:02,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:25,642 WARN L250 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_be73b1c3-1c10-4bd4-bf85-d02782032836/sv-benchmarks/c/eca-rers2012/Problem08_label28.c[5711526,5711539] [2024-11-25 03:56:25,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:25,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:38,478 WARN L250 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_be73b1c3-1c10-4bd4-bf85-d02782032836/sv-benchmarks/c/eca-rers2012/Problem08_label28.c[5711526,5711539] [2024-11-25 03:56:38,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:44,135 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:44,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44 WrapperNode [2024-11-25 03:56:44,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:44,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:44,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:44,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:44,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:44,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:49,363 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184369 [2024-11-25 03:56:49,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:49,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:49,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:49,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:49,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:49,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:49,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:49,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:51,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:52,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:52,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:52,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:52,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:53,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:53,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:53,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:53,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:53,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:53,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:53,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:53,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:53,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be73b1c3-1c10-4bd4-bf85-d02782032836/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:54,270 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:54,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:58:21,630 INFO L? ?]: Removed 18108 outVars from TransFormulas that were not future-live. [2024-11-25 03:58:21,630 INFO L283 CfgBuilder]: Performing block encoding