./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop2-func-interl.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_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm --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 64bit --witnessprinter.graph.data.programhash 6d599ff66852eb14836e0bfdba709a45b4145a5f06d8e589d46ac5b7829c3fdc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:12:27,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:12:27,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:12:27,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:12:27,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:12:27,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:12:27,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:12:27,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:12:27,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:12:27,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:12:27,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:12:27,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:12:27,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:12:27,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:12:27,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:12:27,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:12:27,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:12:27,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:12:27,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:12:27,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:12:27,680 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:12:27,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:12:27,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:12:27,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:12:27,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:27,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:12:27,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:12:27,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:12:27,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:12:27,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:12:27,681 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_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d599ff66852eb14836e0bfdba709a45b4145a5f06d8e589d46ac5b7829c3fdc [2024-11-13 23:12:27,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:12:28,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:12:28,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:12:28,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:12:28,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:12:28,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop2-func-interl.c Unable to find full path for "g++" [2024-11-13 23:12:30,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:12:30,825 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:12:30,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop2-func-interl.c [2024-11-13 23:12:30,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/data/4beca8610/8af1a77ed80e47929a61c81ffb80990e/FLAGaa3762c5e [2024-11-13 23:12:30,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/data/4beca8610/8af1a77ed80e47929a61c81ffb80990e [2024-11-13 23:12:30,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:12:30,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:12:30,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:30,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:12:30,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:12:30,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:30" (1/1) ... [2024-11-13 23:12:30,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67be57a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:30, skipping insertion in model container [2024-11-13 23:12:30,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:30" (1/1) ... [2024-11-13 23:12:31,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:12:31,462 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_3d73a5f5-5403-478d-a7a8-37ff10c4e541/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop2-func-interl.c[1180,1193] [2024-11-13 23:12:33,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:33,407 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:12:33,421 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_3d73a5f5-5403-478d-a7a8-37ff10c4e541/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop2-func-interl.c[1180,1193] [2024-11-13 23:12:34,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:34,821 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:12:34,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34 WrapperNode [2024-11-13 23:12:34,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:34,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:34,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:12:34,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:12:34,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:35,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:40,199 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51656 [2024-11-13 23:12:40,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:40,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:12:40,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:12:40,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:12:40,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:40,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:41,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:41,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:42,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:42,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:43,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:43,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:44,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:12:44,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:12:44,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:12:44,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:12:44,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:34" (1/1) ... [2024-11-13 23:12:44,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:12:44,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:12:44,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d73a5f5-5403-478d-a7a8-37ff10c4e541/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:12:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:12:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:12:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:12:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:12:47,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:12:47,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation