./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/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_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/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_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/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 31be38b099bf8c5491c172d044196dd2b7e7bdea7e23c076e8ce2f5635473617 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 21:48:37,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 21:48:37,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-24 21:48:37,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 21:48:37,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 21:48:37,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 21:48:37,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 21:48:37,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 21:48:37,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 21:48:37,637 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 21:48:37,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 21:48:37,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 21:48:37,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 21:48:37,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 21:48:37,642 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 21:48:37,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 21:48:37,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 21:48:37,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 21:48:37,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 21:48:37,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 21:48:37,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 21:48:37,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 21:48:37,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 21:48:37,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 21:48:37,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 21:48:37,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 21:48:37,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 21:48:37,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 21:48:37,649 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 21:48:37,649 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 21:48:37,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 21:48:37,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 21:48:37,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 21:48:37,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 21:48:37,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 21:48:37,652 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 21:48:37,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 21:48:37,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 21:48:37,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 21:48:37,653 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 21:48:37,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 21:48:37,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 21:48:37,653 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_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31be38b099bf8c5491c172d044196dd2b7e7bdea7e23c076e8ce2f5635473617 [2023-11-24 21:48:37,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 21:48:37,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 21:48:37,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 21:48:37,931 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 21:48:37,931 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 21:48:37,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/eca-programs/Problem103_label44.c [2023-11-24 21:48:40,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 21:48:44,192 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 21:48:44,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/sv-benchmarks/c/eca-programs/Problem103_label44.c [2023-11-24 21:48:44,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/data/d075b0d7f/fdcec0ac049347188db068b9a38e3869/FLAGb47b44ad4 [2023-11-24 21:48:44,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/bin/uautomizer-verify-NlZe1sFDwI/data/d075b0d7f/fdcec0ac049347188db068b9a38e3869 [2023-11-24 21:48:44,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 21:48:44,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 21:48:44,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 21:48:44,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 21:48:44,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 21:48:44,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:48:44" (1/1) ... [2023-11-24 21:48:44,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a66935a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:48:44, skipping insertion in model container [2023-11-24 21:48:44,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:48:44" (1/1) ... [2023-11-24 21:48:46,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 21:49:15,343 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_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/sv-benchmarks/c/eca-programs/Problem103_label44.c[6302927,6302940] [2023-11-24 21:49:15,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:49:15,498 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 21:49:31,143 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_1ea871d3-ab65-4806-a6ef-0bd3ed29a1f7/sv-benchmarks/c/eca-programs/Problem103_label44.c[6302927,6302940] [2023-11-24 21:49:31,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 21:49:36,981 INFO L206 MainTranslator]: Completed translation [2023-11-24 21:49:36,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:49:36 WrapperNode [2023-11-24 21:49:36,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 21:49:36,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 21:49:36,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 21:49:36,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 21:49:36,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:49:36" (1/1) ... [2023-11-24 21:49:38,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:49:36" (1/1) ...