./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC --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 a09099c9db7928f6f22271aac5895b3fd1d8a20ec6ae13e9a795dab1c1b19eb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:25:32,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:25:32,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:25:32,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:25:32,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:25:32,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:25:32,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:25:32,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:25:32,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:25:32,232 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:25:32,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:25:32,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:25:32,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:25:32,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:25:32,233 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:25:32,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:25:32,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:25:32,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:25:32,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:25:32,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:25:32,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:25:32,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:25:32,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:25:32,236 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:25:32,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:25:32,236 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:25:32,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:25:32,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:25:32,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:25:32,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:25:32,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:25:32,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:25:32,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:25:32,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:25:32,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:25:32,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:25:32,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:25:32,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:25:32,239 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_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC 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 -> a09099c9db7928f6f22271aac5895b3fd1d8a20ec6ae13e9a795dab1c1b19eb5 [2024-11-23 23:25:32,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:25:32,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:25:32,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:25:32,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:25:32,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:25:32,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.3.prop1-func-interl.c [2024-11-23 23:25:35,647 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/data/69632eaee/c6f09f02df7b4621abb611a845a4a992/FLAGcfb3c6bf9 [2024-11-23 23:25:36,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:25:36,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.3.prop1-func-interl.c [2024-11-23 23:25:36,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/data/69632eaee/c6f09f02df7b4621abb611a845a4a992/FLAGcfb3c6bf9 [2024-11-23 23:25:36,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/data/69632eaee/c6f09f02df7b4621abb611a845a4a992 [2024-11-23 23:25:36,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:25:36,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:25:36,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:25:36,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:25:36,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:25:36,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:36" (1/1) ... [2024-11-23 23:25:36,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29260e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:36, skipping insertion in model container [2024-11-23 23:25:36,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:36" (1/1) ... [2024-11-23 23:25:37,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:25:37,461 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_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.3.prop1-func-interl.c[1174,1187] [2024-11-23 23:25:39,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:25:39,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:25:39,821 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_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sokoban.3.prop1-func-interl.c[1174,1187] [2024-11-23 23:25:41,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:25:41,393 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:25:41,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41 WrapperNode [2024-11-23 23:25:41,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:25:41,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:25:41,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:25:41,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:25:41,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:41,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:45,813 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53427 [2024-11-23 23:25:45,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:25:45,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:25:45,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:25:45,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:25:45,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:45,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:47,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:47,940 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:25:47,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:47,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:48,879 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:48,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:49,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:49,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:49,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:50,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:25:50,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:25:50,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:25:50,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:25:50,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:41" (1/1) ... [2024-11-23 23:25:50,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:25:50,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:25:50,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:25:50,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d2dbf0-192c-4a96-8dfc-e80ff83a0eeb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:25:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:25:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:25:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:25:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:25:54,705 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:25:54,707 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation