./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --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_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/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_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/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_20e95c07-27d0-4a37-9e35-172a76c39a73/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 da8613478d806b7a5bd943ba8553c7a6988d07d96df50ca331d5d7f6b502e6d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:34,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:34,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:34,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:34,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:34,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:34,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:34,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:34,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:34,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:34,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:34,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:34,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:34,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:34,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:34,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:34,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:34,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:34,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:34,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:34,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:34,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:34,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:34,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:34,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:34,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:34,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:34,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:34,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:34,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:34,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:34,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:34,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:34,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:34,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:34,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:34,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:34,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:34,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:34,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:35,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:35,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:35,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:35,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:35,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:35,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:35,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:35,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:35,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:35,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:35,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:35,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:35,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:35,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:35,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:35,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:35,030 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:35,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:35,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:35,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:35,031 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:35,031 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:35,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:35,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:35,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:35,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:35,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:35,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:35,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:35,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:35,033 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_20e95c07-27d0-4a37-9e35-172a76c39a73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da8613478d806b7a5bd943ba8553c7a6988d07d96df50ca331d5d7f6b502e6d2 [2021-11-23 15:57:35,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:35,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:35,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:35,334 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:35,335 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:35,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-11-23 15:57:35,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/2ff8621b6/27248764c253451eb9599c52f019f8f0/FLAGe5be873cf [2021-11-23 15:57:36,020 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:36,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-11-23 15:57:36,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/2ff8621b6/27248764c253451eb9599c52f019f8f0/FLAGe5be873cf [2021-11-23 15:57:36,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/2ff8621b6/27248764c253451eb9599c52f019f8f0 [2021-11-23 15:57:36,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:36,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:36,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:36,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:36,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:36,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:36" (1/1) ... [2021-11-23 15:57:36,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19112683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:36, skipping insertion in model container [2021-11-23 15:57:36,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:36" (1/1) ... [2021-11-23 15:57:36,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:36,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:36,719 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15427,15440] [2021-11-23 15:57:36,734 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16074,16087] [2021-11-23 15:57:36,756 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17458,17471] [2021-11-23 15:57:36,770 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18434,18447] [2021-11-23 15:57:36,848 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27799,27812] [2021-11-23 15:57:36,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:36,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:37,063 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15427,15440] [2021-11-23 15:57:37,072 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16074,16087] [2021-11-23 15:57:37,085 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17458,17471] [2021-11-23 15:57:37,095 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18434,18447] [2021-11-23 15:57:37,157 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27799,27812] [2021-11-23 15:57:37,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:37,215 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:37,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37 WrapperNode [2021-11-23 15:57:37,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:37,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:37,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:37,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:37,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,319 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1678 [2021-11-23 15:57:37,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:37,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:37,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:37,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:37,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:37,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:37,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:37,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:37,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:37" (1/1) ... [2021-11-23 15:57:37,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:37,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:37,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:37,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:37,642 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:37,644 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:38,985 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:39,050 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:57:39,057 INFO L158 Benchmark]: Toolchain (without parser) took 2791.98ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 55.7MB in the beginning and 83.3MB in the end (delta: -27.6MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,058 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:39,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 951.22ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 60.9MB in the end (delta: -5.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.45ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 55.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,063 INFO L158 Benchmark]: Boogie Preprocessor took 76.81ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 51.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,064 INFO L158 Benchmark]: RCFGBuilder took 1655.73ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 83.3MB in the end (delta: -32.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 951.22ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 60.9MB in the end (delta: -5.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.45ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 55.3MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.81ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 51.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1655.73ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 83.3MB in the end (delta: -32.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:39,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/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_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/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_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/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_20e95c07-27d0-4a37-9e35-172a76c39a73/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 da8613478d806b7a5bd943ba8553c7a6988d07d96df50ca331d5d7f6b502e6d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:41,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:41,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:41,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:41,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:41,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:41,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:41,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:41,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:41,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:41,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:41,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:41,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:41,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:41,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:41,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:41,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:41,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:41,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:41,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:41,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:41,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:41,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:41,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:41,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:41,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:41,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:41,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:41,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:41,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:41,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:41,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:41,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:41,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:41,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:41,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:41,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:41,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:41,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:41,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:41,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:41,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:41,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:41,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:41,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:41,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:41,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:41,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:41,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:41,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:41,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:41,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:41,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:41,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:41,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:41,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:41,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:41,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:41,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:41,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:41,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:41,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:41,799 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:41,799 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:41,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:41,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:41,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:41,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:41,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:41,801 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:41,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:41,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:41,801 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:41,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:41,802 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_20e95c07-27d0-4a37-9e35-172a76c39a73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da8613478d806b7a5bd943ba8553c7a6988d07d96df50ca331d5d7f6b502e6d2 [2021-11-23 15:57:42,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:42,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:42,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:42,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:42,222 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:42,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-11-23 15:57:42,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/dbd8eba47/94929c21f04e4d43b7f6b815bc26c8da/FLAG000a160ee [2021-11-23 15:57:42,954 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:42,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-11-23 15:57:42,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/dbd8eba47/94929c21f04e4d43b7f6b815bc26c8da/FLAG000a160ee [2021-11-23 15:57:43,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/data/dbd8eba47/94929c21f04e4d43b7f6b815bc26c8da [2021-11-23 15:57:43,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:43,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:43,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:43,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:43,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:43,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:43" (1/1) ... [2021-11-23 15:57:43,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14339cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:43, skipping insertion in model container [2021-11-23 15:57:43,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:43" (1/1) ... [2021-11-23 15:57:43,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:43,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:43,801 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15427,15440] [2021-11-23 15:57:43,824 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16074,16087] [2021-11-23 15:57:43,856 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17458,17471] [2021-11-23 15:57:43,885 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18434,18447] [2021-11-23 15:57:44,056 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27799,27812] [2021-11-23 15:57:44,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:44,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:44,367 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15427,15440] [2021-11-23 15:57:44,380 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16074,16087] [2021-11-23 15:57:44,402 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17458,17471] [2021-11-23 15:57:44,420 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18434,18447] [2021-11-23 15:57:44,545 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_20e95c07-27d0-4a37-9e35-172a76c39a73/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27799,27812] [2021-11-23 15:57:44,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:44,653 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:44,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44 WrapperNode [2021-11-23 15:57:44,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:44,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:44,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:44,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:44,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,774 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1663 [2021-11-23 15:57:44,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:44,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:44,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:44,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:44,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:44,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:44,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:44,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:44,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:44,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:44,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:44,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:45,191 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:45,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:46,634 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:46,674 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:57:46,679 INFO L158 Benchmark]: Toolchain (without parser) took 3522.00ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 40.5MB in the beginning and 49.1MB in the end (delta: -8.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,679 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 48.2MB. Free memory was 29.3MB in the beginning and 29.3MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:46,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1497.05ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 40.1MB in the beginning and 33.3MB in the end (delta: 6.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.97ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 45.4MB in the end (delta: -12.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,682 INFO L158 Benchmark]: Boogie Preprocessor took 142.57ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 40.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,683 INFO L158 Benchmark]: RCFGBuilder took 1757.95ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 49.1MB in the end (delta: -9.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 48.2MB. Free memory was 29.3MB in the beginning and 29.3MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1497.05ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 40.1MB in the beginning and 33.3MB in the end (delta: 6.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.97ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 45.4MB in the end (delta: -12.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.57ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 40.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1757.95ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 49.1MB in the end (delta: -9.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:46,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20e95c07-27d0-4a37-9e35-172a76c39a73/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: Set is immutable