./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/dubinsrejoin_4_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/neural-networks/dubinsrejoin_4_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash f3bd70156599a7106287bb5e203283d94ccae0c6309b802418cc90a2bf01cbb9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 16:41:54,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 16:41:54,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 16:41:54,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 16:41:54,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 16:41:54,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 16:41:54,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 16:41:54,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 16:41:54,835 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 16:41:54,835 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 16:41:54,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 16:41:54,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 16:41:54,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 16:41:54,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 16:41:54,836 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 16:41:54,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 16:41:54,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 16:41:54,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 16:41:54,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:41:54,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 16:41:54,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 16:41:54,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 16:41:54,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 16:41:54,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 16:41:54,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 16:41:54,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 16:41:54,839 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/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3bd70156599a7106287bb5e203283d94ccae0c6309b802418cc90a2bf01cbb9 [2025-03-16 16:41:55,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 16:41:55,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 16:41:55,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 16:41:55,067 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 16:41:55,067 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 16:41:55,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/dubinsrejoin_4_safe.c-amalgamation.i [2025-03-16 16:41:56,165 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3e5b7ea/424ed504ef7145efb50216029a223d2e/FLAG28cd74727 [2025-03-16 16:41:56,774 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 16:41:56,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/dubinsrejoin_4_safe.c-amalgamation.i [2025-03-16 16:41:56,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3e5b7ea/424ed504ef7145efb50216029a223d2e/FLAG28cd74727 [2025-03-16 16:41:57,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af3e5b7ea/424ed504ef7145efb50216029a223d2e [2025-03-16 16:41:57,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 16:41:57,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 16:41:57,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 16:41:57,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 16:41:57,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 16:41:57,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:41:57" (1/1) ... [2025-03-16 16:41:57,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c78adea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:41:57, skipping insertion in model container [2025-03-16 16:41:57,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:41:57" (1/1) ... [2025-03-16 16:41:57,356 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 16:41:59,993 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/neural-networks/dubinsrejoin_4_safe.c-amalgamation.i[64741,64754] [2025-03-16 16:42:00,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:42:02,270 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 16:42:02,318 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/neural-networks/dubinsrejoin_4_safe.c-amalgamation.i[64741,64754] [2025-03-16 16:42:02,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 16:42:03,627 INFO L204 MainTranslator]: Completed translation [2025-03-16 16:42:03,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03 WrapperNode [2025-03-16 16:42:03,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 16:42:03,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 16:42:03,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 16:42:03,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 16:42:03,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:04,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:05,870 INFO L138 Inliner]: procedures = 623, calls = 70766, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71090 [2025-03-16 16:42:05,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 16:42:05,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 16:42:05,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 16:42:05,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 16:42:05,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:05,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:06,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:06,434 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-16 16:42:06,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:06,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:07,277 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:07,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:07,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:07,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:07,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 16:42:07,805 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 16:42:07,805 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 16:42:07,805 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 16:42:07,806 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:42:03" (1/1) ... [2025-03-16 16:42:07,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 16:42:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 16:42:07,830 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) [2025-03-16 16:42:07,833 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 [2025-03-16 16:42:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-03-16 16:42:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-16 16:42:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-03-16 16:42:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-03-16 16:42:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-03-16 16:42:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 16:42:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 16:42:07,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 16:42:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-16 16:42:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-16 16:42:07,973 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 16:42:07,975 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation