./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_5_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_5_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU --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 f64fe4c3f07a42e1b587c5c6180929bd6c27410e674d37523bb63b7753c43e2e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:25,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:25,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:56:25,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:25,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:25,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:25,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:25,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:25,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:25,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:25,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:25,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:25,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:25,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:25,323 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:25,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:25,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:25,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:25,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:25,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:25,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:25,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:25,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:25,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:25,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:25,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:25,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:25,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:25,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:25,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:25,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:25,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:25,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:25,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:25,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:25,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:25,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:25,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:25,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:25,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:25,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:25,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:25,335 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64fe4c3f07a42e1b587c5c6180929bd6c27410e674d37523bb63b7753c43e2e [2024-10-31 21:56:25,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:25,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:25,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:25,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:25,689 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:25,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/neural-networks/dubinsrejoin_5_safe.c-amalgamation.i Unable to find full path for "g++" [2024-10-31 21:56:27,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:28,357 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:28,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/sv-benchmarks/c/neural-networks/dubinsrejoin_5_safe.c-amalgamation.i [2024-10-31 21:56:28,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/data/0f75beb9d/65d569fe46a54facbdbe1fc896a68ca8/FLAG8fa5227c4 [2024-10-31 21:56:28,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/data/0f75beb9d/65d569fe46a54facbdbe1fc896a68ca8 [2024-10-31 21:56:28,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:28,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:28,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:28,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:28,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:28,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:28" (1/1) ... [2024-10-31 21:56:28,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff6ddab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:28, skipping insertion in model container [2024-10-31 21:56:28,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:28" (1/1) ... [2024-10-31 21:56:28,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:30,953 WARN L251 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_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/sv-benchmarks/c/neural-networks/dubinsrejoin_5_safe.c-amalgamation.i[64741,64754] [2024-10-31 21:56:32,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:34,885 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:34,978 WARN L251 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_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/sv-benchmarks/c/neural-networks/dubinsrejoin_5_safe.c-amalgamation.i[64741,64754] [2024-10-31 21:56:35,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:37,672 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:37,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37 WrapperNode [2024-10-31 21:56:37,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:37,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:37,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:37,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:37,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:39,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:41,925 INFO L138 Inliner]: procedures = 623, calls = 70766, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71141 [2024-10-31 21:56:41,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:41,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:41,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:41,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:41,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:41,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:43,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:43,562 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-10-31 21:56:43,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:43,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:45,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:45,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:45,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:45,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:45,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:45,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:45,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:45,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:45,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:37" (1/1) ... [2024-10-31 21:56:45,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:45,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:45,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:45,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b99fb84a-1a5d-429c-b8ec-11b706c5f8a6/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-10-31 21:56:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-10-31 21:56:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-10-31 21:56:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-10-31 21:56:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:56:46,129 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:46,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation