./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label25.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_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/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_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/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_74aa6094-dc7a-4068-be2e-e283e90a4a2c/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 820366b67b7eed0ab86b4d0158450a5f8f5e2cb4fa1abd091efc1b23bdc9babd --- 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 17:05:13,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:13,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:13,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:13,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:13,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:13,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:13,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:13,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:13,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:13,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:13,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:13,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:13,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:13,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:13,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:13,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:13,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:13,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:13,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:13,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:13,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:13,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:13,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:13,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:13,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:13,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:13,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:13,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:13,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:13,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:13,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:13,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:13,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:13,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:13,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:13,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:13,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:13,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:13,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:13,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:13,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:13,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:13,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:13,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:13,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:13,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:13,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:13,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:13,772 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:13,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:13,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:13,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:13,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:13,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:13,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:13,775 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:13,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:13,775 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:13,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:13,776 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:13,776 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:13,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:13,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:13,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:13,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:13,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:13,777 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:13,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:13,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:13,778 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_74aa6094-dc7a-4068-be2e-e283e90a4a2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 820366b67b7eed0ab86b4d0158450a5f8f5e2cb4fa1abd091efc1b23bdc9babd [2022-10-17 17:05:14,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:14,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:14,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:14,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:14,098 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:14,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-programs/Problem102_label25.c [2022-10-17 17:05:14,186 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/data/58c100f50/067096ec0fd04d98a9d637852c524321/FLAGbf025192c [2022-10-17 17:05:17,686 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:17,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/sv-benchmarks/c/eca-programs/Problem102_label25.c [2022-10-17 17:05:17,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/data/58c100f50/067096ec0fd04d98a9d637852c524321/FLAGbf025192c [2022-10-17 17:05:18,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74aa6094-dc7a-4068-be2e-e283e90a4a2c/bin/ukojak-92XMlrwhuB/data/58c100f50/067096ec0fd04d98a9d637852c524321 [2022-10-17 17:05:18,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:18,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:18,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:18,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:18,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:18,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d08cc65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:18, skipping insertion in model container [2022-10-17 17:05:18,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:18" (1/1) ... [2022-10-17 17:05:18,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:19,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:46,188 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_74aa6094-dc7a-4068-be2e-e283e90a4a2c/sv-benchmarks/c/eca-programs/Problem102_label25.c[5711042,5711055] [2022-10-17 17:05:46,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:46,329 INFO L203 MainTranslator]: Completed pre-run