./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_68_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/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_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_68_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/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 32bit --witnessprinter.graph.data.programhash 1c3363362d4aab3c001113d5b50fbc9039ccb0df46a2eefb3a99b47424fcf22e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:07:16,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:07:16,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:07:16,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:07:16,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:07:17,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:07:17,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:07:17,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:07:17,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:07:17,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:07:17,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:07:17,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:07:17,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:07:17,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:07:17,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:07:17,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:07:17,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:07:17,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:07:17,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:07:17,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:07:17,013 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:07:17,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:07:17,014 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:07:17,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:17,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:07:17,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:07:17,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:17,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:07:17,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:07:17,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:07:17,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:07:17,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:17,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:07:17,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:07:17,015 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:07:17,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:07:17,016 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_cf763277-75fb-47e4-9056-13e46ad46773/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c3363362d4aab3c001113d5b50fbc9039ccb0df46a2eefb3a99b47424fcf22e [2024-11-23 23:07:17,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:07:17,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:07:17,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:07:17,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:07:17,403 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:07:17,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/dubinsrejoin_68_unsafe.c-amalgamation.i [2024-11-23 23:07:20,416 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/data/5cf90dd41/f48c4e328aaf4c08bda1e08da86ffbf0/FLAGe819cb8cd [2024-11-23 23:07:21,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:07:21,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/sv-benchmarks/c/neural-networks/dubinsrejoin_68_unsafe.c-amalgamation.i [2024-11-23 23:07:21,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/data/5cf90dd41/f48c4e328aaf4c08bda1e08da86ffbf0/FLAGe819cb8cd [2024-11-23 23:07:21,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/data/5cf90dd41/f48c4e328aaf4c08bda1e08da86ffbf0 [2024-11-23 23:07:21,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:07:21,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:07:21,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:21,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:07:21,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:07:21,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:21" (1/1) ... [2024-11-23 23:07:21,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757488d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:21, skipping insertion in model container [2024-11-23 23:07:21,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:07:21" (1/1) ... [2024-11-23 23:07:21,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:07:23,456 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_cf763277-75fb-47e4-9056-13e46ad46773/sv-benchmarks/c/neural-networks/dubinsrejoin_68_unsafe.c-amalgamation.i[64738,64751] [2024-11-23 23:07:24,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:27,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:07:27,804 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_cf763277-75fb-47e4-9056-13e46ad46773/sv-benchmarks/c/neural-networks/dubinsrejoin_68_unsafe.c-amalgamation.i[64738,64751] [2024-11-23 23:07:28,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:07:30,716 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:07:30,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30 WrapperNode [2024-11-23 23:07:30,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:07:30,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:30,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:07:30,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:07:30,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:31,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:34,942 INFO L138 Inliner]: procedures = 623, calls = 70766, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71124 [2024-11-23 23:07:34,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:07:34,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:07:34,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:07:34,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:07:34,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:34,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:35,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:35,470 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-23 23:07:35,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:35,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:36,902 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:37,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:37,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:37,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:37,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:37,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:07:37,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:07:37,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:07:37,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:07:37,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:07:30" (1/1) ... [2024-11-23 23:07:37,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:07:37,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:07:37,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:07:37,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf763277-75fb-47e4-9056-13e46ad46773/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:07:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-23 23:07:37,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-23 23:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-23 23:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-23 23:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:07:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:07:37,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:07:37,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:07:38,140 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:07:38,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation