./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI --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 fded81c09b9d8c0d8f8205fc7679bdbf8d13358fde44415d030b5e8efc11d833 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:58:47,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:58:47,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 21:58:47,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:58:47,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:58:47,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:58:47,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:58:47,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:58:47,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:58:47,308 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:58:47,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:58:47,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:58:47,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:58:47,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:58:47,312 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:58:47,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:58:47,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:58:47,313 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:58:47,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:58:47,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:58:47,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:58:47,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:58:47,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:58:47,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:58:47,316 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:58:47,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:58:47,317 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:58:47,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:58:47,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:58:47,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:58:47,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:58:47,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:58:47,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:58:47,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:58:47,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:58:47,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:58:47,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:58:47,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:58:47,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:58:47,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:58:47,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:58:47,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:58:47,323 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_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fded81c09b9d8c0d8f8205fc7679bdbf8d13358fde44415d030b5e8efc11d833 [2023-11-24 21:58:47,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:58:47,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:58:47,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:58:47,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:58:47,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:58:47,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/eca-programs/Problem102_label05.c [2023-11-24 21:58:50,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:58:54,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:58:54,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/sv-benchmarks/c/eca-programs/Problem102_label05.c [2023-11-24 21:58:55,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/data/5a86db649/4498a68c74524a82a00a3b6363178679/FLAG235243650 [2023-11-24 21:58:55,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/bin/uautomizer-verify-NlZe1sFDwI/data/5a86db649/4498a68c74524a82a00a3b6363178679 [2023-11-24 21:58:55,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:58:55,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:58:55,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:58:55,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:58:55,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:58:55,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:58:55" (1/1) ... [2023-11-24 21:58:55,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8efbea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:58:55, skipping insertion in model container [2023-11-24 21:58:55,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:58:55" (1/1) ... [2023-11-24 21:58:56,894 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:59:23,070 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_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/sv-benchmarks/c/eca-programs/Problem102_label05.c[5709859,5709872] [2023-11-24 21:59:23,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:59:23,222 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:59:37,338 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_9c508e0b-74e1-4bbe-8d1d-670ea2b5dba2/sv-benchmarks/c/eca-programs/Problem102_label05.c[5709859,5709872] [2023-11-24 21:59:37,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:59:42,471 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:59:42,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42 WrapperNode [2023-11-24 21:59:42,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:59:42,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:59:42,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:59:42,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:59:42,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ... [2023-11-24 21:59:43,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:59:42" (1/1) ...