./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl --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 7aaf4f8f18ba5b0fa4d89427d44cd2a402562a589fe4e582b80f7df456502778 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:22,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:22,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:20:22,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:22,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:22,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:22,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:22,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:22,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:22,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:22,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:22,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:22,744 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:22,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:22,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:20:22,746 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:20:22,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:20:22,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:20:22,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:22,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:20:22,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:22,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:20:22,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:20:22,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:20:22,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:22,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:22,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:22,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:22,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:22,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:22,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:22,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:20:22,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:20:22,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:20:22,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:22,758 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:20:22,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:22,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:22,759 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:22,760 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_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aaf4f8f18ba5b0fa4d89427d44cd2a402562a589fe4e582b80f7df456502778 [2023-11-12 02:20:23,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:23,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:23,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:23,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:23,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:23,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-rers2012/Problem09_label28.c [2023-11-12 02:20:26,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:29,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:29,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/sv-benchmarks/c/eca-rers2012/Problem09_label28.c [2023-11-12 02:20:30,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/data/7daf8caf3/37cf1ffa0877413ebc4a4a51065b0759/FLAG27957c57a [2023-11-12 02:20:30,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a280473-531e-47c7-995f-0fbb84fcef40/bin/uautomizer-verify-uTZkv6EMXl/data/7daf8caf3/37cf1ffa0877413ebc4a4a51065b0759 [2023-11-12 02:20:30,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:30,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:30,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:30,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:30,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:30,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:30" (1/1) ... [2023-11-12 02:20:30,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8c03b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:30, skipping insertion in model container [2023-11-12 02:20:30,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:30" (1/1) ... [2023-11-12 02:20:31,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:00,319 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_6a280473-531e-47c7-995f-0fbb84fcef40/sv-benchmarks/c/eca-rers2012/Problem09_label28.c[6306357,6306370] [2023-11-12 02:21:00,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:00,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:16,032 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_6a280473-531e-47c7-995f-0fbb84fcef40/sv-benchmarks/c/eca-rers2012/Problem09_label28.c[6306357,6306370] [2023-11-12 02:21:16,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:21,724 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:21,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:21 WrapperNode [2023-11-12 02:21:21,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:21,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:21,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:21,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:21,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:21" (1/1) ... [2023-11-12 02:21:23,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:21" (1/1) ...