./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/dubinsrejoin_45_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_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/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_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/dubinsrejoin_45_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/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_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/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 bcb5a7e05037c85a80c0c66ed64eb1b97b548144586a04cd722c1a3c3f27c484 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:20,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:20,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:08:20,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:20,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:20,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:20,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:20,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:20,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:08:20,809 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:08:20,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:20,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:20,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:20,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:20,811 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:20,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:20,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:20,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:20,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:08:20,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:20,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:20,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:20,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:20,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:20,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:20,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:20,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:20,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:20,814 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:20,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:20,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:20,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:20,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:20,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:20,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:20,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:20,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:20,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:20,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:20,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:20,817 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:20,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:20,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:08:20,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:08:20,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:20,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:20,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:20,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:20,818 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_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/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 -> bcb5a7e05037c85a80c0c66ed64eb1b97b548144586a04cd722c1a3c3f27c484 [2024-11-27 20:08:21,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:21,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:21,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:21,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:21,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:21,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/dubinsrejoin_45_safe.c-amalgamation.i [2024-11-27 20:08:24,702 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/data/bd6ec3ea0/3b4dac5f17e34c6a8b2e606eb999d51f/FLAGd6c2b696a [2024-11-27 20:08:25,636 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:25,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/sv-benchmarks/c/neural-networks/dubinsrejoin_45_safe.c-amalgamation.i [2024-11-27 20:08:25,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/data/bd6ec3ea0/3b4dac5f17e34c6a8b2e606eb999d51f/FLAGd6c2b696a [2024-11-27 20:08:25,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/data/bd6ec3ea0/3b4dac5f17e34c6a8b2e606eb999d51f [2024-11-27 20:08:25,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:25,774 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:25,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:25,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:25,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:25,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:25" (1/1) ... [2024-11-27 20:08:25,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23085273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:25, skipping insertion in model container [2024-11-27 20:08:25,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:25" (1/1) ... [2024-11-27 20:08:25,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:28,638 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_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/sv-benchmarks/c/neural-networks/dubinsrejoin_45_safe.c-amalgamation.i[64738,64751] [2024-11-27 20:08:29,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:32,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:32,715 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_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/sv-benchmarks/c/neural-networks/dubinsrejoin_45_safe.c-amalgamation.i[64738,64751] [2024-11-27 20:08:33,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:35,365 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:35,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35 WrapperNode [2024-11-27 20:08:35,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:35,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:35,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:35,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:35,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:35,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:39,146 INFO L138 Inliner]: procedures = 623, calls = 70766, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 71124 [2024-11-27 20:08:39,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:39,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:39,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:39,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:39,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:39,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:39,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:39,654 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-27 20:08:39,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:39,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:41,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:41,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:41,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:41,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:41,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:42,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:42,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:42,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:42,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:42,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:42,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:42,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:42,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72b33bd-05b0-4fee-9f52-9ce60513ab0b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-27 20:08:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:08:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-27 20:08:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-27 20:08:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-27 20:08:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:08:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:08:42,740 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:42,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation