./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label18.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_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36682755a8fd6d5761d4aa48745e539f37b082d91c2b7f5a4981e2bf074e7e62 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:27:31,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:27:31,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:27:31,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:27:31,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:27:31,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:27:31,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:27:31,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:27:31,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:27:31,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:27:31,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:27:31,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:27:31,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:27:31,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:27:31,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:27:31,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:27:31,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:27:31,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:27:31,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:27:31,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:27:31,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:27:31,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:27:31,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:27:31,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:27:31,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:27:31,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:27:31,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:27:31,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:27:31,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:27:31,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:27:31,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:27:31,818 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:27:31,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:27:31,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36682755a8fd6d5761d4aa48745e539f37b082d91c2b7f5a4981e2bf074e7e62 [2024-11-08 22:27:32,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:27:32,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:27:32,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:27:32,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:27:32,174 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:27:32,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem17_label18.c Unable to find full path for "g++" [2024-11-08 22:27:34,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:27:35,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:27:35,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/sv-benchmarks/c/eca-rers2012/Problem17_label18.c [2024-11-08 22:27:35,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/data/4329b242e/4005c486cb4942f0b97d12555c31e1f1/FLAGf88e74b6a [2024-11-08 22:27:35,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/data/4329b242e/4005c486cb4942f0b97d12555c31e1f1 [2024-11-08 22:27:35,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:27:35,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:27:35,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:27:35,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:27:35,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:27:35,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:27:35" (1/1) ... [2024-11-08 22:27:35,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761ed0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:35, skipping insertion in model container [2024-11-08 22:27:35,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:27:35" (1/1) ... [2024-11-08 22:27:35,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:27:35,933 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_adb72ae1-7e95-4060-8232-b939741ab200/sv-benchmarks/c/eca-rers2012/Problem17_label18.c[8129,8142] [2024-11-08 22:27:36,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:27:36,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:27:36,955 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_adb72ae1-7e95-4060-8232-b939741ab200/sv-benchmarks/c/eca-rers2012/Problem17_label18.c[8129,8142] [2024-11-08 22:27:37,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:27:37,481 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:27:37,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37 WrapperNode [2024-11-08 22:27:37,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:27:37,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:27:37,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:27:37,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:27:37,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:37,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:37,901 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2024-11-08 22:27:37,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:27:37,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:27:37,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:27:37,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:27:38,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:27:38,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:27:38,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:27:38,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:27:38,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:27:37" (1/1) ... [2024-11-08 22:27:38,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:27:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:27:38,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:27:38,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb72ae1-7e95-4060-8232-b939741ab200/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:27:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:27:38,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:27:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:27:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:27:38,696 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:27:38,700 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:27:44,237 INFO L? ?]: Removed 372 outVars from TransFormulas that were not future-live. [2024-11-08 22:27:44,237 INFO L287 CfgBuilder]: Performing block encoding