./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal29.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal29.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 ca3bb2f7c660d0ed949b0e7db28315a981891dfb011c2a841c60a9a7f334ca81 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 18:42:22,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 18:42:22,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-05 18:42:22,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 18:42:22,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 18:42:22,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 18:42:22,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 18:42:22,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 18:42:22,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 18:42:22,071 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 18:42:22,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 18:42:22,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 18:42:22,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 18:42:22,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 18:42:22,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 18:42:22,073 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 18:42:22,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 18:42:22,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 18:42:22,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 18:42:22,074 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> ca3bb2f7c660d0ed949b0e7db28315a981891dfb011c2a841c60a9a7f334ca81 [2025-02-05 18:42:22,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 18:42:22,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 18:42:22,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 18:42:22,327 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 18:42:22,327 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 18:42:22,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal29.c [2025-02-05 18:42:23,478 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4efd90971/64309116f1914b00a0742ef5ad08c487/FLAG851935155 [2025-02-05 18:42:23,978 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 18:42:23,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal29.c [2025-02-05 18:42:24,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4efd90971/64309116f1914b00a0742ef5ad08c487/FLAG851935155 [2025-02-05 18:42:24,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4efd90971/64309116f1914b00a0742ef5ad08c487 [2025-02-05 18:42:24,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 18:42:24,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 18:42:24,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 18:42:24,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 18:42:24,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 18:42:24,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 06:42:24" (1/1) ... [2025-02-05 18:42:24,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d7aaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:24, skipping insertion in model container [2025-02-05 18:42:24,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 06:42:24" (1/1) ... [2025-02-05 18:42:24,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 18:42:24,397 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal29.c[1245,1258] [2025-02-05 18:42:25,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 18:42:25,421 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 18:42:25,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal29.c[1245,1258] [2025-02-05 18:42:26,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 18:42:26,062 INFO L204 MainTranslator]: Completed translation [2025-02-05 18:42:26,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26 WrapperNode [2025-02-05 18:42:26,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 18:42:26,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 18:42:26,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 18:42:26,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 18:42:26,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:26,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:28,822 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39548 [2025-02-05 18:42:28,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 18:42:28,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 18:42:28,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 18:42:28,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 18:42:28,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:28,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:29,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:30,256 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-02-05 18:42:30,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:30,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:31,000 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:31,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:31,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:31,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:31,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 18:42:31,771 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 18:42:31,771 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 18:42:31,771 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 18:42:31,772 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (1/1) ... [2025-02-05 18:42:31,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 18:42:31,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 18:42:31,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 18:42:31,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 18:42:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 18:42:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 18:42:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 18:42:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 18:42:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 18:42:33,144 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 18:42:33,146 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 18:44:00,490 INFO L? ?]: Removed 22406 outVars from TransFormulas that were not future-live. [2025-02-05 18:44:00,490 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 18:44:01,288 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 18:44:01,290 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 18:44:01,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 06:44:01 BoogieIcfgContainer [2025-02-05 18:44:01,290 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 18:44:01,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 18:44:01,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 18:44:01,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 18:44:01,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 06:42:24" (1/3) ... [2025-02-05 18:44:01,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4728c3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 06:44:01, skipping insertion in model container [2025-02-05 18:44:01,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 06:42:26" (2/3) ... [2025-02-05 18:44:01,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4728c3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 06:44:01, skipping insertion in model container [2025-02-05 18:44:01,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 06:44:01" (3/3) ... [2025-02-05 18:44:01,298 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal29.c [2025-02-05 18:44:01,310 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 18:44:01,311 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal29.c that has 1 procedures, 13161 locations, 1 initial locations, 1 loop locations, and 1 error locations.