./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX --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 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:15:42,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:15:43,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:15:43,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:15:43,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:15:43,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:15:43,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:15:43,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:15:43,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:15:43,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:15:43,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:15:43,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:15:43,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:15:43,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:15:43,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:15:43,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:15:43,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:15:43,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:15:43,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:15:43,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:15:43,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:15:43,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:15:43,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:15:43,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:15:43,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:15:43,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:15:43,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:15:43,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:15:43,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:15:43,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:15:43,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:15:43,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:15:43,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:15:43,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:15:43,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:15:43,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:15:43,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:15:43,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:15:43,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:15:43,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:15:43,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:15:43,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:15:43,192 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_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f0fefb336ced3373e2a35ef2949c2a01a98c911001e38ec001a25171ac41e58 [2024-11-08 18:15:43,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:15:43,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:15:43,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:15:43,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:15:43,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:15:43,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/eca-rers2018/Problem17.c Unable to find full path for "g++" [2024-11-08 18:15:46,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:15:52,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:15:52,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/sv-benchmarks/c/eca-rers2018/Problem17.c [2024-11-08 18:15:53,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/data/896edee10/a8bac7c85eec448fb246509d6c769268/FLAGc5f415e24 [2024-11-08 18:15:54,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/bin/uautomizer-verify-jihMAELWvX/data/896edee10/a8bac7c85eec448fb246509d6c769268 [2024-11-08 18:15:54,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:15:54,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:15:54,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:15:54,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:15:54,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:15:54,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:15:54" (1/1) ... [2024-11-08 18:15:54,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bd2e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:15:54, skipping insertion in model container [2024-11-08 18:15:54,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:15:54" (1/1) ... [2024-11-08 18:15:56,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:15:57,800 WARN L250 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_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2024-11-08 18:15:57,986 WARN L250 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_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2024-11-08 18:20:34,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:20:34,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:20:34,121 WARN L250 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_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/sv-benchmarks/c/eca-rers2018/Problem17.c[778,791] [2024-11-08 18:20:34,122 WARN L250 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_354b4fe1-9ebd-4ff4-a54c-c12a08c86bab/sv-benchmarks/c/eca-rers2018/Problem17.c[817,830] [2024-11-08 18:20:47,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:20:50,096 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:20:50,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:50 WrapperNode [2024-11-08 18:20:50,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:20:50,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:20:50,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:20:50,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:20:50,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:50" (1/1) ... [2024-11-08 18:20:55,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:20:50" (1/1) ...