./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop1-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_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/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_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/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_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/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 e533f7abb4bde23d2b6bb2e756f668d987fc9976f959b22559143ad9f0917a3a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:31:03,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:31:04,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 16:31:04,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:31:04,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:31:04,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:31:04,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:31:04,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:31:04,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:31:04,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:31:04,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:31:04,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:31:04,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:31:04,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:31:04,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:31:04,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:31:04,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:31:04,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:31:04,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:31:04,068 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_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/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 -> e533f7abb4bde23d2b6bb2e756f668d987fc9976f959b22559143ad9f0917a3a [2024-11-13 16:31:04,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:31:04,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:31:04,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:31:04,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:31:04,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:31:04,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:31:06,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:31:07,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:31:07,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop1-back-serstep.c [2024-11-13 16:31:07,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/data/364214fb6/ef0d006769d443fd9e69fa9d356438bb/FLAG59ad81c6a [2024-11-13 16:31:07,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/data/364214fb6/ef0d006769d443fd9e69fa9d356438bb [2024-11-13 16:31:07,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:31:07,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:31:07,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:31:07,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:31:07,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:31:07,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:31:07" (1/1) ... [2024-11-13 16:31:07,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306facbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:07, skipping insertion in model container [2024-11-13 16:31:07,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:31:07" (1/1) ... [2024-11-13 16:31:07,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:31:07,773 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_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop1-back-serstep.c[1180,1193] [2024-11-13 16:31:09,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:31:09,844 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:31:09,859 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_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop1-back-serstep.c[1180,1193] [2024-11-13 16:31:11,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:31:11,210 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:31:11,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11 WrapperNode [2024-11-13 16:31:11,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:31:11,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:31:11,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:31:11,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:31:11,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:11,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:16,081 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48635 [2024-11-13 16:31:16,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:31:16,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:31:16,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:31:16,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:31:16,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:16,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:17,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:17,927 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]. [2024-11-13 16:31:17,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:17,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:19,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:19,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:19,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:19,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:21,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:31:21,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:31:21,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:31:21,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:31:21,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:11" (1/1) ... [2024-11-13 16:31:21,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:31:21,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:31:21,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:31:21,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc4012c-a207-4ade-b531-b8a1faf8dfd3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:31:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:31:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:31:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:31:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:31:24,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:31:24,121 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation