./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e --- 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-2329fc7 [2022-12-14 23:20:33,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:20:33,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:20:33,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:20:33,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:20:33,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:20:33,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:20:33,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:20:33,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:20:33,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:20:33,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:20:33,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:20:33,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:20:33,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:20:33,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:20:33,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:20:33,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:20:33,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:20:33,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:20:33,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:20:33,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:20:33,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:20:33,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:20:33,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:20:33,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:20:33,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:20:33,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:20:33,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:20:33,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:20:33,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:20:33,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:20:33,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:20:33,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:20:33,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:20:33,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:20:33,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:20:33,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:20:33,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:20:33,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:20:33,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:20:33,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:20:33,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:20:33,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:20:33,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:20:33,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:20:33,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:20:33,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:20:33,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:20:33,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:20:33,733 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:20:33,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:20:33,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:20:33,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:20:33,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:20:33,734 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:20:33,734 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:20:33,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:20:33,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:33,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:20:33,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:20:33,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:20:33,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:20:33,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:20:33,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:20:33,735 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2022-12-14 23:20:33,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:20:33,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:20:33,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:20:33,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:20:33,915 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:20:33,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-12-14 23:20:36,454 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:20:36,577 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:20:36,578 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-12-14 23:20:36,583 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data/5a3eb26e6/a5053adb92df4e839b17880db5bb50f6/FLAG125515c8b [2022-12-14 23:20:36,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data/5a3eb26e6/a5053adb92df4e839b17880db5bb50f6 [2022-12-14 23:20:36,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:20:36,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:20:36,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:36,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:20:36,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:20:36,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d57753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36, skipping insertion in model container [2022-12-14 23:20:36,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:20:36,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:20:36,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,768 WARN L237 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-12-14 23:20:36,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:36,787 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:20:36,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:36,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:36,809 WARN L237 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-12-14 23:20:36,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:36,828 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:20:36,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36 WrapperNode [2022-12-14 23:20:36,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:36,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:36,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:20:36,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:20:36,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,866 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 157 [2022-12-14 23:20:36,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:36,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:20:36,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:20:36,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:20:36,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,891 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:20:36,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:20:36,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:20:36,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:20:36,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:36" (1/1) ... [2022-12-14 23:20:36,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:36,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:20:36,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:20:36,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:20:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:20:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:20:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:20:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:20:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:20:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:20:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:20:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:20:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:20:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:20:36,956 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:20:37,042 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:20:37,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:20:37,269 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:20:37,410 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:20:37,410 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:20:37,410 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L110-6 is neither atomic block end nor a sink node. [2022-12-14 23:20:37,411 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2022-12-14 23:20:37,415 INFO L158 Benchmark]: Toolchain (without parser) took 818.18ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 104.6MB in the beginning and 155.2MB in the end (delta: -50.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-12-14 23:20:37,416 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:20:37,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.52ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 91.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 23:20:37,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:20:37,417 INFO L158 Benchmark]: Boogie Preprocessor took 27.08ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:20:37,418 INFO L158 Benchmark]: RCFGBuilder took 518.22ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 88.4MB in the beginning and 155.2MB in the end (delta: -66.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-12-14 23:20:37,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.52ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 91.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.08ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 88.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.22ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 88.4MB in the beginning and 155.2MB in the end (delta: -66.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:20:37,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e --- 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-2329fc7 [2022-12-14 23:20:39,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:20:39,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:20:39,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:20:39,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:20:39,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:20:39,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:20:39,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:20:39,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:20:39,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:20:39,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:20:39,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:20:39,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:20:39,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:20:39,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:20:39,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:20:39,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:20:39,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:20:39,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:20:39,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:20:39,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:20:39,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:20:39,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:20:39,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:20:39,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:20:39,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:20:39,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:20:39,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:20:39,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:20:39,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:20:39,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:20:39,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:20:39,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:20:39,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:20:39,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:20:39,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:20:39,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:20:39,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:20:39,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:20:39,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:20:39,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:20:39,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 23:20:39,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:20:39,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:20:39,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:20:39,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:20:39,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:20:39,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:20:39,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:20:39,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:20:39,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:20:39,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:20:39,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:20:39,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:20:39,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:20:39,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:20:39,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:20:39,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:20:39,195 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:20:39,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:20:39,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:20:39,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:20:39,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:20:39,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:20:39,196 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:20:39,196 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:20:39,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:20:39,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:39,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:20:39,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:20:39,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:20:39,197 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:20:39,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:20:39,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:20:39,198 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:20:39,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:20:39,198 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2022-12-14 23:20:39,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:20:39,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:20:39,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:20:39,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:20:39,449 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:20:39,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-12-14 23:20:42,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:20:42,170 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:20:42,170 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-12-14 23:20:42,176 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data/9aa397ea6/960e6a6c8b734463ad17aa69bb30a4a1/FLAGc34788c77 [2022-12-14 23:20:42,186 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/data/9aa397ea6/960e6a6c8b734463ad17aa69bb30a4a1 [2022-12-14 23:20:42,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:20:42,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:20:42,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:42,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:20:42,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:20:42,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a0c276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42, skipping insertion in model container [2022-12-14 23:20:42,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:20:42,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:20:42,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,371 WARN L237 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-12-14 23:20:42,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:42,394 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 23:20:42,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:20:42,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,409 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,412 WARN L237 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-12-14 23:20:42,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:42,423 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:20:42,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:20:42,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:20:42,442 WARN L237 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_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-12-14 23:20:42,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:20:42,470 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:20:42,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42 WrapperNode [2022-12-14 23:20:42,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:20:42,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:42,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:20:42,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:20:42,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,513 INFO L138 Inliner]: procedures = 28, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2022-12-14 23:20:42,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:20:42,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:20:42,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:20:42,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:20:42,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:20:42,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:20:42,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:20:42,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:20:42,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:20:42" (1/1) ... [2022-12-14 23:20:42,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:20:42,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:20:42,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:20:42,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:20:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:20:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:20:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:20:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:20:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:20:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:20:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:20:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:20:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:20:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:20:42,607 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:20:42,690 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:20:42,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:20:43,001 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:20:43,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:20:43,112 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:20:43,113 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L110-6 is neither atomic block end nor a sink node. [2022-12-14 23:20:43,113 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2022-12-14 23:20:43,116 INFO L158 Benchmark]: Toolchain (without parser) took 926.38ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 32.3MB in the end (delta: 11.2MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-12-14 23:20:43,116 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:20:43,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.63ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 45.7MB in the end (delta: -2.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-14 23:20:43,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.00ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 43.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:20:43,117 INFO L158 Benchmark]: Boogie Preprocessor took 29.78ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 41.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:20:43,118 INFO L158 Benchmark]: RCFGBuilder took 570.84ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 32.3MB in the end (delta: 9.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 23:20:43,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.63ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 45.7MB in the end (delta: -2.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.00ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 43.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.78ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 41.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.84ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 32.3MB in the end (delta: 9.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:20:43,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae9ac69e-76cd-4661-ab4e-fc3682f2035a/bin/ukojak-rkRKPMF4O4/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?