./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.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_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/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_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/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_aca4a08b-5efa-4c68-9484-bce8b1884df2/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 38533fb2932c589b42c93c264dc8e5e297bb0dbb9a49080a666466aefcec5174 --- 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 16:51:48,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:48,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:48,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:48,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:48,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:48,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:48,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:48,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:48,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:48,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:48,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:48,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:48,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:48,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:48,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:48,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:48,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:48,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:48,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:48,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:48,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:48,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:48,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:48,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:48,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:48,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:48,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:48,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:48,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:48,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:48,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:48,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:48,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:48,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:48,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:48,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:48,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:48,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:48,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:48,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:48,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:48,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:48,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:48,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:48,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:48,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:48,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:48,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:48,511 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:48,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:48,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:48,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:48,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:48,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:48,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:48,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:48,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:48,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:48,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:48,513 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:48,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:48,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:48,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:48,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:48,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:48,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:48,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:48,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:48,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:48,515 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38533fb2932c589b42c93c264dc8e5e297bb0dbb9a49080a666466aefcec5174 [2022-10-17 16:51:48,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:48,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:48,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:48,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:48,830 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:48,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-17 16:51:48,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/data/bd60195f9/b8e6e99ef2564ca3bae0f18841e2220c/FLAGbd7e405ab [2022-10-17 16:51:49,542 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:49,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-17 16:51:49,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/data/bd60195f9/b8e6e99ef2564ca3bae0f18841e2220c/FLAGbd7e405ab [2022-10-17 16:51:49,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/data/bd60195f9/b8e6e99ef2564ca3bae0f18841e2220c [2022-10-17 16:51:49,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:49,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:49,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:49,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:49,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:49,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:49" (1/1) ... [2022-10-17 16:51:49,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613262d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:49, skipping insertion in model container [2022-10-17 16:51:49,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:49" (1/1) ... [2022-10-17 16:51:49,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:49,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:50,186 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9419,9432] [2022-10-17 16:51:50,209 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12891,12904] [2022-10-17 16:51:50,219 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14047,14060] [2022-10-17 16:51:50,225 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14703,14716] [2022-10-17 16:51:50,255 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16224,16237] [2022-10-17 16:51:50,266 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16880,16893] [2022-10-17 16:51:50,273 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17864,17877] [2022-10-17 16:51:50,287 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20202,20215] [2022-10-17 16:51:50,292 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20861,20874] [2022-10-17 16:51:50,304 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21885,21898] [2022-10-17 16:51:50,323 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23760,23773] [2022-10-17 16:51:50,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:50,454 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:50,539 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9419,9432] [2022-10-17 16:51:50,572 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12891,12904] [2022-10-17 16:51:50,591 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14047,14060] [2022-10-17 16:51:50,602 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14703,14716] [2022-10-17 16:51:50,618 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16224,16237] [2022-10-17 16:51:50,626 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16880,16893] [2022-10-17 16:51:50,654 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17864,17877] [2022-10-17 16:51:50,681 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20202,20215] [2022-10-17 16:51:50,695 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20861,20874] [2022-10-17 16:51:50,712 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21885,21898] [2022-10-17 16:51:50,743 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_aca4a08b-5efa-4c68-9484-bce8b1884df2/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23760,23773] [2022-10-17 16:51:50,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:50,898 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:50,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50 WrapperNode [2022-10-17 16:51:50,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:50,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:50,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:50,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:50,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:50,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,039 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1868 [2022-10-17 16:51:51,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:51,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:51,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:51,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:51,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:51,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:51,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:51,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:51,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:50" (1/1) ... [2022-10-17 16:51:51,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:51,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:51,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca4a08b-5efa-4c68-9484-bce8b1884df2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:51,540 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:51,542 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:52,906 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:53,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:53,055 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:51:53,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:53 BoogieIcfgContainer [2022-10-17 16:51:53,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:53,061 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:53,062 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:53,073 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:53,073 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:53" (1/1) ... [2022-10-17 16:51:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 339 states and 603 transitions. [2022-10-17 16:51:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 603 transitions. [2022-10-17 16:51:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:51:53,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:53,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 326 states and 575 transitions. [2022-10-17 16:51:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 575 transitions. [2022-10-17 16:51:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:51:54,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 278 states and 479 transitions. [2022-10-17 16:51:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 479 transitions. [2022-10-17 16:51:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:51:54,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 265 states and 452 transitions. [2022-10-17 16:51:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 452 transitions. [2022-10-17 16:51:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:51:54,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 252 states and 425 transitions. [2022-10-17 16:51:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 425 transitions. [2022-10-17 16:51:55,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:51:55,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:55,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:55,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 247 states and 414 transitions. [2022-10-17 16:51:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 414 transitions. [2022-10-17 16:51:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:51:56,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 242 states and 403 transitions. [2022-10-17 16:51:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 403 transitions. [2022-10-17 16:51:56,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:51:56,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:56,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 231 states and 382 transitions. [2022-10-17 16:51:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 382 transitions. [2022-10-17 16:51:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:51:57,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:57,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 238 states and 394 transitions. [2022-10-17 16:52:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 394 transitions. [2022-10-17 16:52:03,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:52:03,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 241 states and 397 transitions. [2022-10-17 16:52:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 397 transitions. [2022-10-17 16:52:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:52:11,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:11,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 241 states and 395 transitions. [2022-10-17 16:52:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 395 transitions. [2022-10-17 16:52:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:52:21,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:21,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat