./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal93.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal93.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 9ff4b036203d8088478c529a2276fc082e5967a69cdce15265bf4361c4f3379f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 01:50:40,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 01:50:40,189 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 01:50:40,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 01:50:40,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 01:50:40,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 01:50:40,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 01:50:40,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 01:50:40,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 01:50:40,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 01:50:40,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 01:50:40,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 01:50:40,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 01:50:40,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 01:50:40,234 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 01:50:40,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 01:50:40,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 01:50:40,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 01:50:40,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 01:50:40,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 01:50:40,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 01:50:40,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 01:50:40,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 01:50:40,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 01:50:40,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 01:50:40,236 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 01:50:40,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 01:50:40,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 01:50:40,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 01:50:40,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:50:40,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 01:50:40,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 01:50:40,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 01:50:40,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 01:50:40,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 01:50:40,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 01:50:40,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 01:50:40,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 01:50:40,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 01:50:40,239 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff4b036203d8088478c529a2276fc082e5967a69cdce15265bf4361c4f3379f [2024-11-10 01:50:40,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 01:50:40,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 01:50:40,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 01:50:40,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 01:50:40,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 01:50:40,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal93.c [2024-11-10 01:50:41,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 01:50:41,891 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 01:50:42,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 01:50:42,484 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal93.c [2024-11-10 01:50:42,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6c1474b/5f6339be73854fd881c3c507ca4e668b/FLAG3a5cb48c1 [2024-11-10 01:50:42,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e6c1474b/5f6339be73854fd881c3c507ca4e668b [2024-11-10 01:50:42,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 01:50:42,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 01:50:42,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 01:50:42,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 01:50:42,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 01:50:42,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:50:42" (1/1) ... [2024-11-10 01:50:42,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788c637b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:42, skipping insertion in model container [2024-11-10 01:50:42,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:50:42" (1/1) ... [2024-11-10 01:50:43,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 01:50:43,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal93.c[1245,1258] [2024-11-10 01:50:44,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:50:44,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 01:50:44,756 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal93.c[1245,1258] [2024-11-10 01:50:45,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:50:45,640 INFO L204 MainTranslator]: Completed translation [2024-11-10 01:50:45,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45 WrapperNode [2024-11-10 01:50:45,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 01:50:45,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 01:50:45,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 01:50:45,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 01:50:45,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:46,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:50,678 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51937 [2024-11-10 01:50:50,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 01:50:50,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 01:50:50,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 01:50:50,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 01:50:50,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:50,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:52,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:53,120 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]. [2024-11-10 01:50:53,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:53,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:54,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:55,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:55,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:55,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:56,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 01:50:56,394 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 01:50:56,394 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 01:50:56,394 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 01:50:56,395 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:50:45" (1/1) ... [2024-11-10 01:50:56,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:50:56,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:50:56,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 01:50:56,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 01:50:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 01:50:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 01:50:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 01:50:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 01:50:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 01:50:58,382 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 01:50:58,384 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation