./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label52.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_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/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_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/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_41600033-d645-4cf0-9219-192d4fb13da9/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 db1ebea34529baa7d89461305913dc110cbe171368291d354948f8c3b34799c6 --- 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 16:39:11,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:11,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:11,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:11,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:11,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:11,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:11,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:11,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:11,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:11,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:11,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:11,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:11,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:11,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:11,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:11,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:11,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:11,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:11,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:11,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:11,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:11,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:11,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:11,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:11,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:11,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:11,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:11,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:11,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:11,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:11,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:11,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:11,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:11,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:11,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:11,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:11,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:11,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:11,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:11,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:11,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:11,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:11,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:11,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:11,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:11,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:11,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:11,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:11,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:11,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:11,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:11,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:11,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:11,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:11,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:11,482 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:11,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:11,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:11,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:11,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:11,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:11,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:11,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:11,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:11,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:11,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:11,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:11,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:11,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:11,486 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_41600033-d645-4cf0-9219-192d4fb13da9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1ebea34529baa7d89461305913dc110cbe171368291d354948f8c3b34799c6 [2022-10-17 16:39:11,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:11,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:11,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:11,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:11,784 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:11,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-programs/Problem102_label52.c [2022-10-17 16:39:11,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/data/6a85c9a70/e0e9766226ef495897261974820926b7/FLAGd927a1710 [2022-10-17 16:39:16,004 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:16,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/sv-benchmarks/c/eca-programs/Problem102_label52.c [2022-10-17 16:39:16,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/data/6a85c9a70/e0e9766226ef495897261974820926b7/FLAGd927a1710 [2022-10-17 16:39:16,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41600033-d645-4cf0-9219-192d4fb13da9/bin/ukojak-92XMlrwhuB/data/6a85c9a70/e0e9766226ef495897261974820926b7 [2022-10-17 16:39:16,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:16,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:16,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:16,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:16,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:16,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:16" (1/1) ... [2022-10-17 16:39:16,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5d7f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:16, skipping insertion in model container [2022-10-17 16:39:16,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:16" (1/1) ... [2022-10-17 16:39:16,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:18,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:45,190 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_41600033-d645-4cf0-9219-192d4fb13da9/sv-benchmarks/c/eca-programs/Problem102_label52.c[5715933,5715946] [2022-10-17 16:39:45,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:45,329 INFO L203 MainTranslator]: Completed pre-run