./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:56,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:56,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:56,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:56,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:56,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:56,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:56,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:56,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:56,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:56,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:56,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:56,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:56,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:56,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:56,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:56,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:56,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:56,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:56,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:56,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:56,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:56,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:56,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:56,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:56,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:56,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:56,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:56,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:56,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:56,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:56,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:56,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:56,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:56,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:56,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:56,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:56,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:56,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:56,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:56,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:56,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:01:56,642 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:56,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:56,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:56,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:56,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:56,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:56,653 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:56,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:56,654 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:56,654 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:01:56,655 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:56,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:56,656 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:01:56,656 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:01:56,657 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:56,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:01:56,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:01:56,658 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:01:56,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:56,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:01:56,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:01:56,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:01:56,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:56,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:56,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:56,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:56,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:01:56,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:56,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:56,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:56,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:56,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:56,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:56,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:56,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:56,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:56,666 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:01:56,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:01:56,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:56,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:56,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:56,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc [2021-11-23 17:01:56,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:57,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:57,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:57,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:57,013 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:57,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2021-11-23 17:01:57,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/0d47ff767/c1356e9d9c74498d93e30a5da41818cb/FLAG7ef396487 [2021-11-23 17:01:57,873 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:57,875 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2021-11-23 17:01:57,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/0d47ff767/c1356e9d9c74498d93e30a5da41818cb/FLAG7ef396487 [2021-11-23 17:01:58,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/0d47ff767/c1356e9d9c74498d93e30a5da41818cb [2021-11-23 17:01:58,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:58,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:58,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:58,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:58,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:58,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c83079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58, skipping insertion in model container [2021-11-23 17:01:58,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:58,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:58,639 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30440,30453] [2021-11-23 17:01:58,658 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30895,30908] [2021-11-23 17:01:58,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:58,689 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:58,766 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30440,30453] [2021-11-23 17:01:58,772 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30895,30908] [2021-11-23 17:01:58,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:58,848 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:58,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58 WrapperNode [2021-11-23 17:01:58,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:58,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:58,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:58,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:58,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,932 INFO L137 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2021-11-23 17:01:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:58,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:58,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:58,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:58,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:58,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:58,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:58,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:58,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (1/1) ... [2021-11-23 17:01:58,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:59,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:59,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:01:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 17:01:59,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 17:01:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 17:01:59,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 17:01:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:01:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 17:01:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:01:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:01:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:01:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:01:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:59,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:59,080 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:01:59,239 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:59,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:01:59,619 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:01:59,632 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:01:59,633 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:01:59,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:01:59 BoogieIcfgContainer [2021-11-23 17:01:59,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:01:59,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:01:59,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:01:59,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:01:59,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:01:58" (1/3) ... [2021-11-23 17:01:59,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd0ade7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:01:59, skipping insertion in model container [2021-11-23 17:01:59,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:58" (2/3) ... [2021-11-23 17:01:59,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd0ade7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:01:59, skipping insertion in model container [2021-11-23 17:01:59,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:01:59" (3/3) ... [2021-11-23 17:01:59,648 INFO L111 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2021-11-23 17:01:59,656 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:01:59,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:01:59,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:01:59,657 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:01:59,703 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,703 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,703 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,704 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,704 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,704 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,705 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,705 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,705 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,706 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,707 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,708 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,709 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,710 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,711 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,712 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,713 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,714 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,715 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,716 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,717 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,719 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,720 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,721 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,723 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,723 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,723 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,724 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,725 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,726 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,726 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,726 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,727 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,727 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,727 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,727 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,728 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,728 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,728 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,729 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,729 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,729 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,730 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,730 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,730 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,731 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,732 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,733 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,734 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,735 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,736 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,737 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,738 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,739 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,739 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,739 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,739 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,740 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,740 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,740 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,740 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,741 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,742 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,743 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,743 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,743 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,743 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:01:59,745 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:01:59,751 INFO L158 Benchmark]: Toolchain (without parser) took 1658.44ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 60.9MB in the beginning and 80.9MB in the end (delta: -20.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-23 17:01:59,752 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:01:59,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.36ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 57.5MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:59,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.08ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 55.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:01:59,755 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:01:59,756 INFO L158 Benchmark]: RCFGBuilder took 648.43ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 53.4MB in the beginning and 91.4MB in the end (delta: -38.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 17:01:59,757 INFO L158 Benchmark]: TraceAbstraction took 109.77ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 80.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:01:59,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.36ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 57.5MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.08ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 55.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.43ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 53.4MB in the beginning and 91.4MB in the end (delta: -38.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * TraceAbstraction took 109.77ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 80.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:01:59,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:02:02,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:02:02,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:02:02,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:02:02,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:02:02,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:02:02,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:02:02,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:02:02,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:02:02,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:02:02,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:02:02,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:02:02,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:02:02,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:02:02,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:02:02,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:02:02,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:02:02,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:02:02,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:02:02,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:02:02,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:02:02,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:02:02,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:02:02,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:02:02,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:02:02,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:02:02,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:02:02,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:02:02,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:02:02,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:02:02,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:02:02,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:02:02,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:02:02,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:02:02,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:02:02,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:02:02,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:02:02,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:02:02,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:02:02,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:02:02,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:02:02,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:02:02,747 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:02:02,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:02:02,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:02:02,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:02:02,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:02:02,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:02:02,751 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:02:02,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:02:02,752 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:02:02,753 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:02:02,754 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:02:02,755 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:02:02,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:02:02,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:02:02,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:02:02,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:02:02,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:02:02,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:02:02,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:02:02,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:02:02,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:02:02,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:02:02,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:02:02,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:02:02,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:02:02,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:02:02,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:02:02,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:02:02,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:02:02,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:02,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:02:02,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:02:02,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:02:02,764 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:02:02,765 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:02:02,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:02:02,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:02:02,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:02:02,766 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_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5ee9b9286f55973fff2cea9c449f3602c5be2a48fed2e7e6cce6beebc18d9bc [2021-11-23 17:02:03,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:02:03,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:02:03,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:02:03,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:02:03,295 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:02:03,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2021-11-23 17:02:03,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/2389e2c1c/0fd100f0e18a4443a247471de899bb11/FLAGc905cddd4 [2021-11-23 17:02:04,149 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:02:04,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i [2021-11-23 17:02:04,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/2389e2c1c/0fd100f0e18a4443a247471de899bb11/FLAGc905cddd4 [2021-11-23 17:02:04,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/data/2389e2c1c/0fd100f0e18a4443a247471de899bb11 [2021-11-23 17:02:04,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:02:04,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:02:04,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:02:04,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:02:04,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:02:04,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:02:04" (1/1) ... [2021-11-23 17:02:04,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558120cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:04, skipping insertion in model container [2021-11-23 17:02:04,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:02:04" (1/1) ... [2021-11-23 17:02:04,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:02:04,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:02:04,864 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30440,30453] [2021-11-23 17:02:04,880 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30895,30908] [2021-11-23 17:02:04,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:04,923 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:02:05,001 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30440,30453] [2021-11-23 17:02:05,010 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_5df3a954-4698-49e8-a633-758fb20837c1/sv-benchmarks/c/pthread-deagle/circular_buffer_bad.i[30895,30908] [2021-11-23 17:02:05,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:02:05,109 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:02:05,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05 WrapperNode [2021-11-23 17:02:05,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:02:05,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:02:05,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:02:05,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:02:05,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,236 INFO L137 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 134 [2021-11-23 17:02:05,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:02:05,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:02:05,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:02:05,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:02:05,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:02:05,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:02:05,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:02:05,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:02:05,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (1/1) ... [2021-11-23 17:02:05,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:02:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:02:05,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:02:05,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:02:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:02:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:02:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 17:02:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 17:02:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 17:02:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 17:02:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 17:02:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:02:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:02:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:02:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:02:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:02:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:02:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:02:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:02:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:02:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:02:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:02:05,437 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:02:05,656 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:02:05,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:02:06,163 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:02:06,173 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:02:06,173 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:02:06,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:02:06 BoogieIcfgContainer [2021-11-23 17:02:06,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:02:06,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:02:06,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:02:06,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:02:06,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:02:04" (1/3) ... [2021-11-23 17:02:06,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac5f3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:02:06, skipping insertion in model container [2021-11-23 17:02:06,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:02:05" (2/3) ... [2021-11-23 17:02:06,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac5f3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:02:06, skipping insertion in model container [2021-11-23 17:02:06,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:02:06" (3/3) ... [2021-11-23 17:02:06,222 INFO L111 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2021-11-23 17:02:06,228 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:02:06,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:02:06,228 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:02:06,229 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:02:06,280 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,281 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,296 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,297 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,298 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,299 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,300 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,301 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,302 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,303 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,304 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,306 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,317 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_insertLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,318 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,319 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,322 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,322 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,322 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,322 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,323 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,323 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,323 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,323 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,323 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,324 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,324 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,324 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,324 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,325 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,325 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,325 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,328 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,328 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,328 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,328 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,329 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,329 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,329 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,337 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,338 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,338 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,350 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,351 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,352 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,353 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,354 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,369 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,370 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_removeLogElement_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:02:06,371 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:02:06,377 INFO L158 Benchmark]: Toolchain (without parser) took 1972.78ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.7MB in the beginning and 40.6MB in the end (delta: -6.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 17:02:06,377 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:02:06,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.01ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 27.9MB in the end (delta: 5.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 17:02:06,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.60ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.9MB in the beginning and 51.3MB in the end (delta: -23.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-11-23 17:02:06,380 INFO L158 Benchmark]: Boogie Preprocessor took 91.60ms. Allocated memory is still 69.2MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:02:06,381 INFO L158 Benchmark]: RCFGBuilder took 857.68ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 34.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:02:06,382 INFO L158 Benchmark]: TraceAbstraction took 182.59ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 40.6MB in the end (delta: -7.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-11-23 17:02:06,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.01ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 27.9MB in the end (delta: 5.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.60ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.9MB in the beginning and 51.3MB in the end (delta: -23.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.60ms. Allocated memory is still 69.2MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 857.68ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 34.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 182.59ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 40.6MB in the end (delta: -7.0MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:02:06,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5df3a954-4698-49e8-a633-758fb20837c1/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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