./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label46.c --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_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/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_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/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_f783e210-f213-45f4-88e5-c780e4921243/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 10bc3e3bf6004b15197ca283775bb9e6ab1fe81de0fbb75606dffd22ac312d12 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:25,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:26,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:35:26,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:26,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:26,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:26,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:26,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:26,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:26,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:26,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:26,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:26,121 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:26,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:26,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:26,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:26,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:26,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:26,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:26,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:26,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:26,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:26,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:26,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:26,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:26,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:26,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:26,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:26,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:26,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:26,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:26,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:26,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:26,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:26,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:26,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:26,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:26,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:26,140 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:26,141 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_f783e210-f213-45f4-88e5-c780e4921243/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10bc3e3bf6004b15197ca283775bb9e6ab1fe81de0fbb75606dffd22ac312d12 [2023-11-19 07:35:26,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:26,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:26,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:26,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:26,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:26,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/eca-rers2012/Problem07_label46.c [2023-11-19 07:35:30,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:32,932 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:32,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/sv-benchmarks/c/eca-rers2012/Problem07_label46.c [2023-11-19 07:35:33,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/data/7843f1b79/ce2c0d23aaca4612a7b4b3b6abdeea2c/FLAG2b779ca6f [2023-11-19 07:35:33,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/data/7843f1b79/ce2c0d23aaca4612a7b4b3b6abdeea2c [2023-11-19 07:35:33,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:33,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:33,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:33,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:33,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:33,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:33" (1/1) ... [2023-11-19 07:35:33,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af94a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:33, skipping insertion in model container [2023-11-19 07:35:33,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:33" (1/1) ... [2023-11-19 07:35:34,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:47,359 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_f783e210-f213-45f4-88e5-c780e4921243/sv-benchmarks/c/eca-rers2012/Problem07_label46.c[2769671,2769684] [2023-11-19 07:35:47,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:47,464 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:55,873 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_f783e210-f213-45f4-88e5-c780e4921243/sv-benchmarks/c/eca-rers2012/Problem07_label46.c[2769671,2769684] [2023-11-19 07:35:55,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:57,191 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:57,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57 WrapperNode [2023-11-19 07:35:57,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:57,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:57,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:57,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:57,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:35:57,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:01,590 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-11-19 07:36:01,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:01,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:01,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:01,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:01,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:01,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:02,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:02,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:03,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:03,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:03,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:03,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:04,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:04,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:04,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:04,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:04,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:57" (1/1) ... [2023-11-19 07:36:04,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:04,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f783e210-f213-45f4-88e5-c780e4921243/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:04,684 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:04,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation