./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_14_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/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_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_14_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/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_e7629632-0f6c-43f8-9d40-679af7d20cdf/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 d4d27279d7046906e51cfea31d96af832b096d43f3be2469c4be3f40d82423cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:37,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:37,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:39:37,274 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:37,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:37,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:37,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:37,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:37,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:37,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:37,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:37,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:37,313 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:37,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:37,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:37,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:37,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:37,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:37,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:37,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:37,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:37,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:37,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:37,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:37,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:37,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:37,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:37,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:37,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:37,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:37,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:37,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:37,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:37,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:37,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:37,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:37,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:37,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:37,332 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:37,333 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_e7629632-0f6c-43f8-9d40-679af7d20cdf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4d27279d7046906e51cfea31d96af832b096d43f3be2469c4be3f40d82423cd [2023-11-19 07:39:37,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:37,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:37,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:37,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:37,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:37,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/neural-networks/dubinsrejoin_14_safe.c-amalgamation.i [2023-11-19 07:39:41,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:41,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:41,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/sv-benchmarks/c/neural-networks/dubinsrejoin_14_safe.c-amalgamation.i [2023-11-19 07:39:42,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/data/36248b7f3/c4715dae37c545c4907e4099d32eaf9a/FLAG243e26360 [2023-11-19 07:39:42,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/data/36248b7f3/c4715dae37c545c4907e4099d32eaf9a [2023-11-19 07:39:42,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:42,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:42,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:42,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:42,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:42,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:42" (1/1) ... [2023-11-19 07:39:42,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b6a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:42, skipping insertion in model container [2023-11-19 07:39:42,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:42" (1/1) ... [2023-11-19 07:39:42,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:42,655 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:39:45,101 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_e7629632-0f6c-43f8-9d40-679af7d20cdf/sv-benchmarks/c/neural-networks/dubinsrejoin_14_safe.c-amalgamation.i[64744,64757] [2023-11-19 07:39:46,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:48,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:48,458 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:39:48,549 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_e7629632-0f6c-43f8-9d40-679af7d20cdf/sv-benchmarks/c/neural-networks/dubinsrejoin_14_safe.c-amalgamation.i[64744,64757] [2023-11-19 07:39:48,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:51,184 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:39:51,192 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:51,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51 WrapperNode [2023-11-19 07:39:51,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:51,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:51,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:51,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:51,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:53,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:56,385 INFO L138 Inliner]: procedures = 623, calls = 70767, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71145 [2023-11-19 07:39:56,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:56,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:56,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:56,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:56,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:56,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:57,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:57,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:59,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:59,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:39:59,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:40:00,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:40:00,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:00,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:00,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:00,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:00,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:51" (1/1) ... [2023-11-19 07:40:00,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:00,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:00,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7629632-0f6c-43f8-9d40-679af7d20cdf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:40:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 07:40:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 07:40:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:00,684 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:00,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation