./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu --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 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:52,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:52,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:52,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:52,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:52,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:52,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:52,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:52,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:52,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:52,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:52,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:52,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:52,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:52,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:52,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:52,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:52,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:52,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:52,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:52,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:52,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:52,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:52,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:52,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:52,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:52,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:52,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:52,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:52,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:52,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:52,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:52,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:52,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:52,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:52,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:52,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:52,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:52,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:52,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:52,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:52,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:52,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:52,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:52,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:52,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:52,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:52,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:52,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:52,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:52,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:52,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:52,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:52,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:52,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:52,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:52,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:52,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:52,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:52,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:52,808 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:52,808 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:52,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:52,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:52,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:52,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:52,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:52,810 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:52,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:52,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:52,811 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e [2021-11-23 15:04:53,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:53,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:53,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:53,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:53,074 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:53,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2021-11-23 15:04:53,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/4e7e224e6/89f48b7328c4416f9acc601e685b9f73/FLAG7469e13e5 [2021-11-23 15:04:53,753 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:53,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2021-11-23 15:04:53,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/4e7e224e6/89f48b7328c4416f9acc601e685b9f73/FLAG7469e13e5 [2021-11-23 15:04:53,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/4e7e224e6/89f48b7328c4416f9acc601e685b9f73 [2021-11-23 15:04:53,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:53,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:53,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:53,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:53,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:53,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de88f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53, skipping insertion in model container [2021-11-23 15:04:53,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:54,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:54,239 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:04:54,620 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2021-11-23 15:04:54,628 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2021-11-23 15:04:54,655 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2021-11-23 15:04:54,657 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2021-11-23 15:04:54,672 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2021-11-23 15:04:54,673 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2021-11-23 15:04:54,693 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2021-11-23 15:04:54,695 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2021-11-23 15:04:54,698 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2021-11-23 15:04:54,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,710 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:54,731 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:04:54,770 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2021-11-23 15:04:54,780 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2021-11-23 15:04:54,789 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2021-11-23 15:04:54,792 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2021-11-23 15:04:54,801 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2021-11-23 15:04:54,803 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2021-11-23 15:04:54,810 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2021-11-23 15:04:54,812 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2021-11-23 15:04:54,814 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2021-11-23 15:04:54,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,895 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:54,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54 WrapperNode [2021-11-23 15:04:54,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:54,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:54,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:54,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:54,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:54,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,005 INFO L137 Inliner]: procedures = 278, calls = 103, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 248 [2021-11-23 15:04:55,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:55,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:55,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:55,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:55,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:55,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:55,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:55,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:55,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:55,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:55,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_node_init [2021-11-23 15:04:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_node_init [2021-11-23 15:04:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2021-11-23 15:04:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2021-11-23 15:04:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_empty [2021-11-23 15:04:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_empty [2021-11-23 15:04:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_drop_head [2021-11-23 15:04:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_drop_head [2021-11-23 15:04:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:55,202 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:04:55,413 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:55,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:56,040 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:56,069 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:04:56,069 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 15:04:56,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:56 BoogieIcfgContainer [2021-11-23 15:04:56,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:04:56,073 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:04:56,073 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:04:56,084 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:04:56,084 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:56" (1/1) ... [2021-11-23 15:04:56,085 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:56,090 INFO L158 Benchmark]: Toolchain (without parser) took 2103.95ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 115.8MB in the end (delta: -23.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:56,091 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:56,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.45ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 74.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:56,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.09ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 70.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:56,093 INFO L158 Benchmark]: Boogie Preprocessor took 63.69ms. Allocated memory is still 123.7MB. Free memory was 70.9MB in the beginning and 68.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:56,094 INFO L158 Benchmark]: RCFGBuilder took 1000.34ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 68.1MB in the beginning and 117.3MB in the end (delta: -49.2MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:56,095 INFO L158 Benchmark]: CodeCheck took 15.19ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 115.8MB in the end (delta: 812.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:56,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.45ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 74.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.09ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 70.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.69ms. Allocated memory is still 123.7MB. Free memory was 70.9MB in the beginning and 68.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.34ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 68.1MB in the beginning and 117.3MB in the end (delta: -49.2MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 15.19ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 115.8MB in the end (delta: 812.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:56,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu --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 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:58,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:58,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:58,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:58,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:58,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:58,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:58,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:58,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:58,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:58,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:58,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:58,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:58,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:58,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:58,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:58,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:58,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:58,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:58,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:58,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:58,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:58,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:58,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:58,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:58,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:58,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:58,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:58,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:58,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:58,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:58,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:58,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:58,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:58,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:58,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:58,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:58,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:58,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:58,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:58,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:58,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:58,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:58,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:58,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:58,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:58,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:58,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:58,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:58,804 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:58,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:58,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:58,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:58,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:58,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:58,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:58,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:58,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:58,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:58,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:58,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:58,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:58,808 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:58,808 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:58,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:58,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:58,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:58,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:58,809 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:58,809 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:58,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:58,810 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:58,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:58,810 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e [2021-11-23 15:04:59,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:59,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:59,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:59,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:59,225 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:59,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2021-11-23 15:04:59,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/778426171/f03dc0bfac254e4f8efd2fdd11d7d01b/FLAGd57e26ea3 [2021-11-23 15:04:59,953 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:59,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2021-11-23 15:04:59,978 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/778426171/f03dc0bfac254e4f8efd2fdd11d7d01b/FLAGd57e26ea3 [2021-11-23 15:05:00,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/data/778426171/f03dc0bfac254e4f8efd2fdd11d7d01b [2021-11-23 15:05:00,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:00,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:00,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:00,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:00,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:00,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:00,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b87307c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00, skipping insertion in model container [2021-11-23 15:05:00,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:00,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:00,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:00,380 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:05:00,761 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2021-11-23 15:05:00,767 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2021-11-23 15:05:00,798 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2021-11-23 15:05:00,800 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2021-11-23 15:05:00,815 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2021-11-23 15:05:00,817 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2021-11-23 15:05:00,838 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2021-11-23 15:05:00,839 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2021-11-23 15:05:00,840 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2021-11-23 15:05:00,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:00,854 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:00,867 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:05:00,897 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47275,47288] [2021-11-23 15:05:00,899 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[47463,47476] [2021-11-23 15:05:00,905 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48230,48243] [2021-11-23 15:05:00,906 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48344,48357] [2021-11-23 15:05:00,910 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48816,48829] [2021-11-23 15:05:00,911 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[48872,48885] [2021-11-23 15:05:00,916 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49384,49397] [2021-11-23 15:05:00,917 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49443,49456] [2021-11-23 15:05:00,918 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_72a30919-46ff-4c4f-bf8a-109110d9d72e/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i[49522,49535] [2021-11-23 15:05:00,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:00,997 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:00,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00 WrapperNode [2021-11-23 15:05:00,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:00,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:00,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:01,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:01,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,073 INFO L137 Inliner]: procedures = 281, calls = 103, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 249 [2021-11-23 15:05:01,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:01,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:01,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:01,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:01,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:01,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:01,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:01,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:01,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:00" (1/1) ... [2021-11-23 15:05:01,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:01,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:01,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:01,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_node_init [2021-11-23 15:05:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_node_init [2021-11-23 15:05:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2021-11-23 15:05:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2021-11-23 15:05:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:05:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_empty [2021-11-23 15:05:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_empty [2021-11-23 15:05:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:05:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_drop_head [2021-11-23 15:05:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_drop_head [2021-11-23 15:05:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:01,274 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:05:01,501 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:01,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:02,204 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:02,214 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:02,215 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 15:05:02,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:02 BoogieIcfgContainer [2021-11-23 15:05:02,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:02,221 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:02,222 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:02,231 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:02,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:02,239 INFO L158 Benchmark]: Toolchain (without parser) took 2062.99ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.6MB in the beginning and 33.5MB in the end (delta: -7.9MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,239 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:02,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.05ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 34.7MB in the end (delta: -9.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 60.8MB. Free memory was 34.7MB in the beginning and 31.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,243 INFO L158 Benchmark]: Boogie Preprocessor took 98.51ms. Allocated memory is still 60.8MB. Free memory was 31.4MB in the beginning and 28.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,245 INFO L158 Benchmark]: RCFGBuilder took 1046.64ms. Allocated memory is still 60.8MB. Free memory was 28.0MB in the beginning and 34.3MB in the end (delta: -6.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,246 INFO L158 Benchmark]: CodeCheck took 14.80ms. Allocated memory is still 60.8MB. Free memory was 34.3MB in the beginning and 33.5MB in the end (delta: 856.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.05ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 34.7MB in the end (delta: -9.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 60.8MB. Free memory was 34.7MB in the beginning and 31.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.51ms. Allocated memory is still 60.8MB. Free memory was 31.4MB in the beginning and 28.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1046.64ms. Allocated memory is still 60.8MB. Free memory was 28.0MB in the beginning and 34.3MB in the end (delta: -6.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * CodeCheck took 14.80ms. Allocated memory is still 60.8MB. Free memory was 34.3MB in the beginning and 33.5MB in the end (delta: 856.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:02,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a30919-46ff-4c4f-bf8a-109110d9d72e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported