./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU --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 8f1aa27f35b4823820dce2ced3e8ce3dcc833ec3542e7fc752cf228e5b8c2724 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:40,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:40,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:58:40,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:40,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:40,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:40,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:40,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:40,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:40,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:40,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:40,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:40,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:40,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:40,488 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:40,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:40,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:40,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:40,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:40,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:40,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:40,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:40,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:40,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:40,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:40,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:40,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:40,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:40,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:40,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:40,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:40,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:40,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:40,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:40,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:40,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:40,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:40,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:40,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:40,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:40,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:40,506 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:40,506 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_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f1aa27f35b4823820dce2ced3e8ce3dcc833ec3542e7fc752cf228e5b8c2724 [2024-10-31 21:58:40,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:40,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:40,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:40,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:40,853 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:40,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/eca-programs/Problem103_label57.c Unable to find full path for "g++" [2024-10-31 21:58:43,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:47,106 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:47,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/sv-benchmarks/c/eca-programs/Problem103_label57.c [2024-10-31 21:58:47,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/data/0c796d36a/eafc1b067f4c494b9b866abea101fa2c/FLAGf6a8b870f [2024-10-31 21:58:47,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520641a-394e-470b-af10-511c46717297/bin/uautomizer-verify-4GaUIPS5ZU/data/0c796d36a/eafc1b067f4c494b9b866abea101fa2c [2024-10-31 21:58:47,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:47,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:47,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:47,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:47,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:47,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:47" (1/1) ... [2024-10-31 21:58:47,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5b3ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:47, skipping insertion in model container [2024-10-31 21:58:47,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:47" (1/1) ... [2024-10-31 21:58:49,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:20,213 WARN L251 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_f520641a-394e-470b-af10-511c46717297/sv-benchmarks/c/eca-programs/Problem103_label57.c[6300899,6300912] [2024-10-31 21:59:20,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:20,356 INFO L200 MainTranslator]: Completed pre-run