./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15c3a6165f21ac98daf8821a71552024f9273c1b5c02806dc5b429501c698668 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:54:01,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:54:02,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:54:02,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:54:02,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:54:02,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:54:02,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:54:02,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:54:02,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:54:02,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:54:02,169 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:54:02,169 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:54:02,170 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:54:02,171 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:54:02,173 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:54:02,173 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:54:02,174 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:54:02,174 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:54:02,175 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:54:02,175 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:54:02,176 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:54:02,180 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:54:02,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:54:02,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:54:02,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:54:02,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:54:02,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:54:02,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:54:02,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:54:02,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:54:02,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:54:02,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:54:02,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:54:02,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:54:02,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:54:02,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:54:02,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:54:02,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:54:02,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:54:02,187 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:54:02,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:54:02,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:54:02,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:54:02,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:54:02,189 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c3a6165f21ac98daf8821a71552024f9273c1b5c02806dc5b429501c698668 [2024-11-09 04:54:02,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:54:02,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:54:02,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:54:02,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:54:02,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:54:02,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 04:54:04,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:54:05,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:54:05,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.2.prop1-func-interl.c [2024-11-09 04:54:05,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/data/2e668518b/d78d72ed3ee8482c8c53d571c5eb579a/FLAG685e495d8 [2024-11-09 04:54:05,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/data/2e668518b/d78d72ed3ee8482c8c53d571c5eb579a [2024-11-09 04:54:05,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:54:05,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:54:05,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:54:05,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:54:05,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:54:05,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:54:05" (1/1) ... [2024-11-09 04:54:05,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc935ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:05, skipping insertion in model container [2024-11-09 04:54:05,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:54:05" (1/1) ... [2024-11-09 04:54:06,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:54:06,638 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_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.2.prop1-func-interl.c[1182,1195] [2024-11-09 04:54:07,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:54:07,991 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:54:08,001 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_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.2.prop1-func-interl.c[1182,1195] [2024-11-09 04:54:09,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:54:09,138 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:54:09,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09 WrapperNode [2024-11-09 04:54:09,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:54:09,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:54:09,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:54:09,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:54:09,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:09,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:13,894 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29911 [2024-11-09 04:54:13,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:54:13,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:54:13,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:54:13,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:54:13,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:13,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:14,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:14,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:15,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:16,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:16,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:16,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:17,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:54:17,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:54:17,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:54:17,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:54:17,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:09" (1/1) ... [2024-11-09 04:54:17,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:54:17,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:17,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:54:17,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa4912f-0cd6-4eaf-bf45-6879e9f99399/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:54:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:54:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:54:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:54:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:54:19,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:54:19,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:56:03,138 INFO L? ?]: Removed 16825 outVars from TransFormulas that were not future-live. [2024-11-09 04:56:03,139 INFO L287 CfgBuilder]: Performing block encoding