./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-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_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/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_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/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_4e9310ff-a402-4a03-b749-958be0c71d19/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 3fb71e8e4e407700549b8952f3afdeeffa0973a11e08bb7f18bca04e4b75e49d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:27,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:27,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:27,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:27,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:27,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:27,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:27,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:27,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:28,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:28,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:28,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:28,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:28,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:28,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:28,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:28,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:28,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:28,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:28,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:28,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:28,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:28,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:28,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:28,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:28,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:28,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:28,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:28,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:28,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:28,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:28,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:28,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:28,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:28,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:28,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:28,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:28,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:28,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:28,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:28,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:28,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:28,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:28,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:28,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:28,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:28,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:28,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:28,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:28,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:28,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:28,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:28,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:28,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:28,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:28,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:28,123 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:28,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:28,131 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:28,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:28,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:28,133 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:28,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:28,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:28,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:28,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:28,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:28,141 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:28,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:28,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:28,142 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_4e9310ff-a402-4a03-b749-958be0c71d19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fb71e8e4e407700549b8952f3afdeeffa0973a11e08bb7f18bca04e4b75e49d [2021-11-23 15:56:28,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:28,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:28,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:28,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:28,520 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:28,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 15:56:28,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/ee930af8b/c1d0d837cffe430a9125515b45cadced/FLAG1d3e7a128 [2021-11-23 15:56:29,179 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:29,180 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 15:56:29,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/ee930af8b/c1d0d837cffe430a9125515b45cadced/FLAG1d3e7a128 [2021-11-23 15:56:29,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/ee930af8b/c1d0d837cffe430a9125515b45cadced [2021-11-23 15:56:29,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:29,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:29,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:29,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:29,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:29,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:29" (1/1) ... [2021-11-23 15:56:29,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f46f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:29, skipping insertion in model container [2021-11-23 15:56:29,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:29" (1/1) ... [2021-11-23 15:56:29,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:29,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:29,929 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_4e9310ff-a402-4a03-b749-958be0c71d19/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10378,10391] [2021-11-23 15:56:29,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:30,008 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:30,122 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_4e9310ff-a402-4a03-b749-958be0c71d19/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10378,10391] [2021-11-23 15:56:30,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:30,199 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:30,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30 WrapperNode [2021-11-23 15:56:30,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:30,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:30,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:30,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:30,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,287 INFO L137 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 830 [2021-11-23 15:56:30,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:30,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:30,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:30,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:30,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:30,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:30,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:30,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:30,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:30" (1/1) ... [2021-11-23 15:56:30,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:30,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:30,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:30,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:30,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:30,686 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:30,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:31,670 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:31,773 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 15:56:31,780 INFO L158 Benchmark]: Toolchain (without parser) took 2302.50ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 69.1MB in the beginning and 74.6MB in the end (delta: -5.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:31,780 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:31,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.91ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 72.4MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:31,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.80ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 68.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:31,786 INFO L158 Benchmark]: Boogie Preprocessor took 65.85ms. Allocated memory is still 109.1MB. Free memory was 68.7MB in the beginning and 65.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:31,788 INFO L158 Benchmark]: RCFGBuilder took 1420.82ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 65.7MB in the beginning and 74.6MB in the end (delta: -8.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:31,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.91ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 72.4MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.80ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 68.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.85ms. Allocated memory is still 109.1MB. Free memory was 68.7MB in the beginning and 65.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1420.82ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 65.7MB in the beginning and 74.6MB in the end (delta: -8.9MB). Peak memory consumption was 27.3MB. 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 15:56:31,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/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 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_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/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_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/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_4e9310ff-a402-4a03-b749-958be0c71d19/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 3fb71e8e4e407700549b8952f3afdeeffa0973a11e08bb7f18bca04e4b75e49d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:34,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:34,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:34,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:34,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:34,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:34,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:34,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:34,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:34,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:34,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:34,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:34,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:34,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:34,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:34,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:34,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:34,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:34,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:34,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:34,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:34,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:34,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:34,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:34,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:34,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:34,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:34,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:34,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:34,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:34,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:34,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:34,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:34,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:34,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:34,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:34,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:34,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:34,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:34,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:34,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:34,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:34,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:34,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:34,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:34,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:34,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:34,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:34,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:34,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:34,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:34,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:34,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:34,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:34,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:34,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:34,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:34,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:34,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:34,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:34,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:34,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:34,852 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:34,852 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:34,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:34,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:34,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:34,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:34,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:34,854 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:34,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:34,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:34,855 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:34,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:34,855 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_4e9310ff-a402-4a03-b749-958be0c71d19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fb71e8e4e407700549b8952f3afdeeffa0973a11e08bb7f18bca04e4b75e49d [2021-11-23 15:56:35,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:35,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:35,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:35,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:35,281 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:35,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 15:56:35,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/f5591fb9f/1a0f2574475d4a1e931f0dede8ed0a48/FLAG7e172ad92 [2021-11-23 15:56:36,143 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:36,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 15:56:36,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/f5591fb9f/1a0f2574475d4a1e931f0dede8ed0a48/FLAG7e172ad92 [2021-11-23 15:56:36,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/data/f5591fb9f/1a0f2574475d4a1e931f0dede8ed0a48 [2021-11-23 15:56:36,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:36,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:36,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:36,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:36,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:36,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:36,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf23a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36, skipping insertion in model container [2021-11-23 15:56:36,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:36,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:36,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:36,879 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_4e9310ff-a402-4a03-b749-958be0c71d19/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10378,10391] [2021-11-23 15:56:36,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:37,014 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:37,145 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_4e9310ff-a402-4a03-b749-958be0c71d19/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10378,10391] [2021-11-23 15:56:37,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:37,234 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:37,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37 WrapperNode [2021-11-23 15:56:37,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:37,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:37,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:37,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,339 INFO L137 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 809 [2021-11-23 15:56:37,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:37,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:37,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:37,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:37,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:37,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:37,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:37,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:37,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:37,792 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:37,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:39,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:39,117 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 15:56:39,124 INFO L158 Benchmark]: Toolchain (without parser) took 2701.42ms. Allocated memory is still 79.7MB. Free memory was 57.1MB in the beginning and 38.9MB in the end (delta: 18.2MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:39,126 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:39,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.41ms. Allocated memory is still 79.7MB. Free memory was 56.8MB in the beginning and 47.9MB in the end (delta: 8.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:39,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.90ms. Allocated memory is still 79.7MB. Free memory was 47.9MB in the beginning and 44.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:39,130 INFO L158 Benchmark]: Boogie Preprocessor took 71.80ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 41.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:39,131 INFO L158 Benchmark]: RCFGBuilder took 1708.87ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 38.9MB in the end (delta: 2.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:39,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 30.1MB in the beginning and 30.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.41ms. Allocated memory is still 79.7MB. Free memory was 56.8MB in the beginning and 47.9MB in the end (delta: 8.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.90ms. Allocated memory is still 79.7MB. Free memory was 47.9MB in the beginning and 44.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.80ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 41.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1708.87ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 38.9MB in the end (delta: 2.2MB). Peak memory consumption was 12.4MB. 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 15:56:39,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e9310ff-a402-4a03-b749-958be0c71d19/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