./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label07.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_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/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_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/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_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/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 8578f0ceafcc4b56caf84fe4059d5fa93f4b9517c890c90bab132851f9b4956c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:19:48,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:19:48,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:19:48,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:19:48,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:19:48,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:19:48,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:19:48,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:19:49,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:19:49,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:19:49,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:19:49,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:19:49,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:19:49,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:19:49,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:19:49,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:19:49,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:19:49,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:19:49,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:19:49,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:19:49,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:19:49,003 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:19:49,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:19:49,004 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:19:49,004 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:19:49,004 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:19:49,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:19:49,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:49,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:19:49,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:19:49,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:19:49,005 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:19:49,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:19:49,006 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_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/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 -> 8578f0ceafcc4b56caf84fe4059d5fa93f4b9517c890c90bab132851f9b4956c [2024-11-24 18:19:49,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:19:49,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:19:49,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:19:49,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:19:49,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:19:49,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem18_label07.c [2024-11-24 18:19:52,906 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/data/c3689d2eb/8a5ac2fce9e64f21a389f1de02f575a7/FLAG2d9780d6c [2024-11-24 18:19:53,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:19:53,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/sv-benchmarks/c/eca-rers2012/Problem18_label07.c [2024-11-24 18:19:53,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/data/c3689d2eb/8a5ac2fce9e64f21a389f1de02f575a7/FLAG2d9780d6c [2024-11-24 18:19:53,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/data/c3689d2eb/8a5ac2fce9e64f21a389f1de02f575a7 [2024-11-24 18:19:53,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:19:53,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:19:53,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:53,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:19:53,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:19:53,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:53" (1/1) ... [2024-11-24 18:19:53,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7d0bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:53, skipping insertion in model container [2024-11-24 18:19:53,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:19:53" (1/1) ... [2024-11-24 18:19:53,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:19:54,113 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_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/sv-benchmarks/c/eca-rers2012/Problem18_label07.c[5039,5052] [2024-11-24 18:19:54,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:54,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:19:55,029 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_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/sv-benchmarks/c/eca-rers2012/Problem18_label07.c[5039,5052] [2024-11-24 18:19:55,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:19:55,504 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:19:55,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55 WrapperNode [2024-11-24 18:19:55,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:19:55,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:55,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:19:55,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:19:55,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:55,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:55,905 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4134 [2024-11-24 18:19:55,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:19:55,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:19:55,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:19:55,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:19:55,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:55,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:55,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:55,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,119 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:19:56,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:19:56,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:19:56,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:19:56,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:19:55" (1/1) ... [2024-11-24 18:19:56,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:19:56,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:19:56,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:19:56,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717c7af9-5ee4-4f65-a361-b97cc7dfd20d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:19:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:19:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:19:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:19:56,505 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:19:56,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:20:02,346 INFO L? ?]: Removed 639 outVars from TransFormulas that were not future-live. [2024-11-24 18:20:02,346 INFO L283 CfgBuilder]: Performing block encoding