./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --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 a69148b1deeb299dbf694c1662aa54bbeb02ea9750beae258bf5829fbeddb4c2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:47:12,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:12,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:12,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:12,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:12,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:12,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:12,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:12,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:12,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:12,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:12,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:12,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:12,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:12,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:12,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:12,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:12,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:12,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:12,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:12,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:12,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:12,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:12,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:12,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:12,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:12,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:12,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:12,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:12,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:12,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:12,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:12,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:12,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:12,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:12,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:12,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:12,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:12,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:12,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:12,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:12,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:12,532 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:12,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:12,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:12,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:12,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:12,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:12,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:12,536 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:12,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:12,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:12,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:12,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:12,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:12,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:12,539 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:12,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:12,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:12,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:12,540 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:12,540 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:12,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:12,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:12,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:12,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:12,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:12,542 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:12,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:12,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:12,554 INFO L138 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_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69148b1deeb299dbf694c1662aa54bbeb02ea9750beae258bf5829fbeddb4c2 [2022-10-17 16:47:12,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:12,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:12,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:12,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:12,899 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:12,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-programs/Problem102_label21.c [2022-10-17 16:47:12,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/data/938466148/85b3d02f6daa426e8b6ebfe8c22f4247/FLAGccba391e7 [2022-10-17 16:47:16,944 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:16,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/sv-benchmarks/c/eca-programs/Problem102_label21.c [2022-10-17 16:47:17,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/data/938466148/85b3d02f6daa426e8b6ebfe8c22f4247/FLAGccba391e7 [2022-10-17 16:47:17,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfd4febb-ef50-4205-8aed-b771cafaa777/bin/ukojak-92XMlrwhuB/data/938466148/85b3d02f6daa426e8b6ebfe8c22f4247 [2022-10-17 16:47:17,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:17,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:17,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:17,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:17,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:17,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:17" (1/1) ... [2022-10-17 16:47:17,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad5e3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:17, skipping insertion in model container [2022-10-17 16:47:17,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:17" (1/1) ... [2022-10-17 16:47:17,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:18,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:45,842 WARN L230 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_bfd4febb-ef50-4205-8aed-b771cafaa777/sv-benchmarks/c/eca-programs/Problem102_label21.c[5717280,5717293] [2022-10-17 16:47:45,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:45,976 INFO L203 MainTranslator]: Completed pre-run