./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_17_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_17_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu --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 a0ae810de139f2281fc8ac7e46302bcb7060db8674e7e66c30324bf13d0ed8cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:34,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:34,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:34:34,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:34,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:34,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:34,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:34,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:34,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:34,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:34,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:34,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:34,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:34,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:34,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:34,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:34,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:34,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:34,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:34,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:34,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:34,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:34,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:34,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:34,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:34,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:34,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:34,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:34,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:34,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:34,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:34,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:34:34,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:34,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:34,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:34,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:34:34,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:34,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:34,717 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:34,717 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_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0ae810de139f2281fc8ac7e46302bcb7060db8674e7e66c30324bf13d0ed8cf [2023-11-19 07:34:35,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:35,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:35,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:35,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:35,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:35,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/neural-networks/dubinsrejoin_17_safe.c-amalgamation.i [2023-11-19 07:34:38,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:39,057 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:39,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/sv-benchmarks/c/neural-networks/dubinsrejoin_17_safe.c-amalgamation.i [2023-11-19 07:34:39,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/data/519b2d622/ccf3f7dd1c1c43758b535846b50c98ba/FLAGc26445171 [2023-11-19 07:34:39,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/data/519b2d622/ccf3f7dd1c1c43758b535846b50c98ba [2023-11-19 07:34:39,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:39,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:39,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:39,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:39,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:39,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:39" (1/1) ... [2023-11-19 07:34:39,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57da5e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:39, skipping insertion in model container [2023-11-19 07:34:39,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:39" (1/1) ... [2023-11-19 07:34:39,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:39,843 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:34:41,366 WARN L240 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_df6d03f4-1e50-420d-9690-c520abaa6c01/sv-benchmarks/c/neural-networks/dubinsrejoin_17_safe.c-amalgamation.i[68971,68984] [2023-11-19 07:34:42,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:44,385 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:44,412 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:34:44,492 WARN L240 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_df6d03f4-1e50-420d-9690-c520abaa6c01/sv-benchmarks/c/neural-networks/dubinsrejoin_17_safe.c-amalgamation.i[68971,68984] [2023-11-19 07:34:45,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:47,256 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:47,265 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:47,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47 WrapperNode [2023-11-19 07:34:47,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:47,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:47,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:47,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:47,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:48,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:51,852 INFO L138 Inliner]: procedures = 623, calls = 70935, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 72069 [2023-11-19 07:34:51,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:51,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:51,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:51,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:51,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:51,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:52,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:52,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:54,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:54,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:54,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:54,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:55,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:55,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:55,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:55,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:55,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:47" (1/1) ... [2023-11-19 07:34:55,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:55,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:55,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6d03f4-1e50-420d-9690-c520abaa6c01/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:34:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:55,555 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:55,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation