./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de612dab75e6cb0c0cdf56ae779e1cd8eaf4eefed3d9c41c3815c54b0111340e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:48:17,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:48:17,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:48:17,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:48:17,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:48:17,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:48:17,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:48:17,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:48:17,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:48:17,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:48:17,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:48:17,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:48:17,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:48:17,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:48:17,770 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:48:17,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:48:17,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:48:17,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:48:17,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:48:17,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:48:17,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:48:17,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:48:17,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:48:17,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:48:17,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:48:17,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:48:17,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:48:17,774 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:48:17,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:48:17,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:48:17,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:48:17,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:48:17,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:48:17,775 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de612dab75e6cb0c0cdf56ae779e1cd8eaf4eefed3d9c41c3815c54b0111340e [2024-11-13 15:48:18,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:48:18,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:48:18,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:48:18,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:48:18,134 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:48:18,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-13 15:48:20,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:48:21,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:48:21,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop3-back-serstep.c [2024-11-13 15:48:21,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/data/78165f77d/733fd53f1112414dbbebb35e5f99ccf5/FLAG3ceb6859b [2024-11-13 15:48:21,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697f62f3-171a-437a-8e2d-8f185adac8f0/bin/uautomizer-verify-qhAvR1uOyd/data/78165f77d/733fd53f1112414dbbebb35e5f99ccf5 [2024-11-13 15:48:21,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:48:21,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:48:21,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:48:21,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:48:22,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:48:22,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:48:21" (1/1) ... [2024-11-13 15:48:22,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c561c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:48:22, skipping insertion in model container [2024-11-13 15:48:22,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:48:21" (1/1) ... [2024-11-13 15:48:22,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:48:23,837 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_697f62f3-171a-437a-8e2d-8f185adac8f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop3-back-serstep.c[1181,1194] [2024-11-13 15:48:29,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:48:29,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:48:29,950 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_697f62f3-171a-437a-8e2d-8f185adac8f0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop3-back-serstep.c[1181,1194] [2024-11-13 15:48:34,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:48:34,187 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:48:34,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:48:34 WrapperNode [2024-11-13 15:48:34,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:48:34,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:48:34,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:48:34,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:48:34,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:48:34" (1/1) ... [2024-11-13 15:48:35,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:48:34" (1/1) ...