./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_36_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_36_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB --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 49f08fbd4ff0257ecf9cdd1ed32d3768584ebd3400df7642ac923371d64b3288 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:13:36,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:13:36,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:13:36,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:13:36,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:13:36,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:13:36,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:13:36,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:13:36,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:13:36,210 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:13:36,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:13:36,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:13:36,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:13:36,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:13:36,212 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:13:36,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:13:36,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:13:36,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:13:36,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:13:36,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:13:36,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:13:36,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:13:36,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:13:36,214 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:13:36,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:13:36,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:13:36,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:13:36,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:13:36,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:13:36,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:13:36,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:13:36,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:13:36,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:13:36,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:13:36,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:13:36,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:13:36,217 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_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 49f08fbd4ff0257ecf9cdd1ed32d3768584ebd3400df7642ac923371d64b3288 [2024-11-28 03:13:36,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:13:36,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:13:36,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:13:36,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:13:36,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:13:36,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/dubinsrejoin_36_safe.c-amalgamation.i [2024-11-28 03:13:39,507 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/data/ff79833cd/a6cc824759ec4027ae065b9285d9cb8f/FLAG1966db230 [2024-11-28 03:13:40,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:13:40,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/sv-benchmarks/c/neural-networks/dubinsrejoin_36_safe.c-amalgamation.i [2024-11-28 03:13:40,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/data/ff79833cd/a6cc824759ec4027ae065b9285d9cb8f/FLAG1966db230 [2024-11-28 03:13:40,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/data/ff79833cd/a6cc824759ec4027ae065b9285d9cb8f [2024-11-28 03:13:40,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:13:40,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:13:40,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:13:40,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:13:40,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:13:40,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:40" (1/1) ... [2024-11-28 03:13:40,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed96291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:40, skipping insertion in model container [2024-11-28 03:13:40,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:40" (1/1) ... [2024-11-28 03:13:40,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:13:42,446 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_864dd71b-a47b-4474-9434-4357f42b171f/sv-benchmarks/c/neural-networks/dubinsrejoin_36_safe.c-amalgamation.i[64738,64751] [2024-11-28 03:13:43,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:13:45,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:13:45,968 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_864dd71b-a47b-4474-9434-4357f42b171f/sv-benchmarks/c/neural-networks/dubinsrejoin_36_safe.c-amalgamation.i[64738,64751] [2024-11-28 03:13:46,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:13:48,449 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:13:48,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48 WrapperNode [2024-11-28 03:13:48,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:13:48,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:13:48,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:13:48,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:13:48,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:49,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:51,352 INFO L138 Inliner]: procedures = 623, calls = 70766, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71124 [2024-11-28 03:13:51,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:13:51,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:13:51,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:13:51,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:13:51,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:51,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:51,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:51,752 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 03:13:51,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:51,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:52,852 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:52,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:53,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:53,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:53,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:53,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:13:53,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:13:53,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:13:53,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:13:53,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:48" (1/1) ... [2024-11-28 03:13:53,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:13:53,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:13:53,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:13:53,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_864dd71b-a47b-4474-9434-4357f42b171f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:13:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 03:13:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:13:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 03:13:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-28 03:13:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 03:13:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:13:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:13:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:13:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:13:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:13:54,036 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:13:54,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation