./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.1.prop3-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu --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 1441d4686980cf545558000fd37e9edac81eb0fbc908c52b37787aba5224e4f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:42:30,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:42:30,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:42:30,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:42:30,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:42:30,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:42:30,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:42:30,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:42:30,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:42:30,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:42:30,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:42:30,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:42:30,549 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:42:30,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:42:30,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:42:30,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:42:30,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:42:30,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:42:30,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:42:30,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:42:30,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:42:30,556 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:42:30,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:42:30,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:42:30,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:42:30,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:30,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:42:30,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:42:30,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:42:30,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:42:30,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:42:30,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:42:30,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:42:30,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:42:30,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:42:30,565 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:42:30,566 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1441d4686980cf545558000fd37e9edac81eb0fbc908c52b37787aba5224e4f9 [2023-11-19 07:42:30,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:42:30,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:42:30,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:42:30,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:42:30,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:42:30,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.1.prop3-func-interl.c [2023-11-19 07:42:34,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:35,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:35,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.1.prop3-func-interl.c [2023-11-19 07:42:35,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/data/51c32c0be/12926e03322c41368979fd1f3a4ccce4/FLAG96051d23d [2023-11-19 07:42:35,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/data/51c32c0be/12926e03322c41368979fd1f3a4ccce4 [2023-11-19 07:42:35,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:35,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:35,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:35,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:35,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:35,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:35" (1/1) ... [2023-11-19 07:42:35,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22035a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:35, skipping insertion in model container [2023-11-19 07:42:35,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:35" (1/1) ... [2023-11-19 07:42:35,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:36,373 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_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.1.prop3-func-interl.c[1180,1193] [2023-11-19 07:42:40,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:40,158 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:40,188 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_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.1.prop3-func-interl.c[1180,1193] [2023-11-19 07:42:42,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:42,577 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:42,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42 WrapperNode [2023-11-19 07:42:42,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:42,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:42,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:42,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:42,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:43,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:55,003 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122750 [2023-11-19 07:42:55,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:55,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:55,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:55,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:55,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:42:55,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:00,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:00,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:04,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:05,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:06,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:06,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:09,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:43:09,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:43:09,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:43:09,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:43:09,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:42" (1/1) ... [2023-11-19 07:43:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:09,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:43:09,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:43:09,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c4d28b1-3bd5-45de-9e04-9ed0bed3956c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:43:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:43:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:43:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:43:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:43:13,575 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:43:13,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation