./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:52,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:52,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:52,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:52,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:52,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:52,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:52,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:52,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:52,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:52,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:52,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:52,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:52,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:52,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:52,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:52,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:52,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:52,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:52,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:52,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:52,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:52,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:52,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:52,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:52,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:52,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:52,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:52,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:52,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:52,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:52,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:52,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:52,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:52,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:52,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:52,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:52,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:52,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:52,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:52,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:52,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:52,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:52,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:52,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:52,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:52,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:52,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:52,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:52,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:52,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:52,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:52,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:52,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:52,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:52,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:52,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:52,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:52,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:52,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:52,664 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:52,664 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:52,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:52,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:52,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:52,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:52,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:52,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:52,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:52,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:52,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 [2021-11-23 15:53:52,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:53,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:53,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:53,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:53,010 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:53,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2021-11-23 15:53:53,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/a0a12c3d1/4b8efe81d32448c5866a40d6b0045aa3/FLAGf372c7b13 [2021-11-23 15:53:53,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:53,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2021-11-23 15:53:53,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/a0a12c3d1/4b8efe81d32448c5866a40d6b0045aa3/FLAGf372c7b13 [2021-11-23 15:53:54,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/a0a12c3d1/4b8efe81d32448c5866a40d6b0045aa3 [2021-11-23 15:53:54,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:54,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:54,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:54,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:54,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:54,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97635e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54, skipping insertion in model container [2021-11-23 15:53:54,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:54,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:54,282 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2021-11-23 15:53:54,337 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2021-11-23 15:53:54,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:54,454 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:54,466 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2021-11-23 15:53:54,484 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2021-11-23 15:53:54,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:54,576 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:54,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54 WrapperNode [2021-11-23 15:53:54,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:54,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:54,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:54,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:54,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,654 INFO L137 Inliner]: procedures = 63, calls = 73, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 639 [2021-11-23 15:53:54,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:54,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:54,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:54,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:54,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:54,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:54,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:54,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:54,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:54" (1/1) ... [2021-11-23 15:53:54,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:54,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:54,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:54,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:53:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:53:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:53:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:53:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:53:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:53:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:53:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:53:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:53:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:53:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:53:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:53:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:53:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:53:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:53:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:53:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:53:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:53:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:53:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:53:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:53:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:53:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:53:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:53:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:53:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:53:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:53:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:53:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:53:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:53:54,920 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:54,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:55,600 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:55,640 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:55,644 INFO L158 Benchmark]: Toolchain (without parser) took 1589.04ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 67.1MB in the beginning and 61.8MB in the end (delta: 5.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:55,645 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:55,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.16ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 54.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:55,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.28ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 51.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:55,647 INFO L158 Benchmark]: Boogie Preprocessor took 47.88ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 48.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:55,648 INFO L158 Benchmark]: RCFGBuilder took 938.35ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.0MB in the beginning and 61.8MB in the end (delta: -13.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:55,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.16ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 54.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.28ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 51.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.88ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 48.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 938.35ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.0MB in the beginning and 61.8MB in the end (delta: -13.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:55,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:58,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:58,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:58,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:58,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:58,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:58,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:58,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:58,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:58,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:58,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:58,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:58,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:58,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:58,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:58,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:58,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:58,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:58,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:58,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:58,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:58,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:58,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:58,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:58,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:58,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:58,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:58,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:58,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:58,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:58,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:58,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:58,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:58,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:58,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:58,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:58,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:58,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:58,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:58,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:58,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:58,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:58,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:58,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:58,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:58,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:58,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:58,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:58,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:58,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:58,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:58,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:58,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:58,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:58,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:58,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:58,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:58,123 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:58,123 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:58,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:58,124 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:58,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:58,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:58,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:58,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:58,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:58,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:58,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:58,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:58,125 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:58,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:58,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:58,126 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:58,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:58,126 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b411c6ac71505d2c5059a06fd3211eebca89561d9ac8be37f9ecc9ff82a7a16 [2021-11-23 15:53:58,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:58,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:58,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:58,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:58,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:58,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2021-11-23 15:53:58,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/895741d38/ee77880a766845f0be73264c878e5d8f/FLAG26e1d5750 [2021-11-23 15:53:59,093 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:59,094 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c [2021-11-23 15:53:59,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/895741d38/ee77880a766845f0be73264c878e5d8f/FLAG26e1d5750 [2021-11-23 15:53:59,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/data/895741d38/ee77880a766845f0be73264c878e5d8f [2021-11-23 15:53:59,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:59,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:59,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:59,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:59,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:59,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:59" (1/1) ... [2021-11-23 15:53:59,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f0ca32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:59, skipping insertion in model container [2021-11-23 15:53:59,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:59" (1/1) ... [2021-11-23 15:53:59,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:59,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:59,676 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2021-11-23 15:53:59,771 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2021-11-23 15:53:59,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:59,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:59,931 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[914,927] [2021-11-23 15:53:59,949 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_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.05.cil-2.c[7115,7128] [2021-11-23 15:53:59,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:00,015 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:00,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00 WrapperNode [2021-11-23 15:54:00,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:00,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:00,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:00,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:00,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,108 INFO L137 Inliner]: procedures = 64, calls = 73, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 613 [2021-11-23 15:54:00,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:00,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:00,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:00,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:00,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:00,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:00,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:00,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:00,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:00" (1/1) ... [2021-11-23 15:54:00,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:00,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:00,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:00,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:54:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:54:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:54:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:54:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:54:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:54:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:54:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:54:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:54:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:54:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:54:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:54:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:54:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:54:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:54:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:54:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:54:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:54:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:54:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:54:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:54:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:54:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:54:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:54:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:54:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:54:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:54:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:54:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:54:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:54:00,380 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:00,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:01,319 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:01,350 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:01,355 INFO L158 Benchmark]: Toolchain (without parser) took 1898.73ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 47.0MB in the beginning and 61.4MB in the end (delta: -14.4MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:01,355 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:01,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.11ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 42.5MB in the end (delta: 4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:01,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.98ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 39.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:01,357 INFO L158 Benchmark]: Boogie Preprocessor took 61.54ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 35.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:01,358 INFO L158 Benchmark]: RCFGBuilder took 1181.77ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 35.6MB in the beginning and 61.4MB in the end (delta: -25.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:01,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.11ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 42.5MB in the end (delta: 4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.98ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 39.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.54ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 35.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1181.77ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 35.6MB in the beginning and 61.4MB in the end (delta: -25.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:01,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb721ed-1c80-40bd-adee-a3b3f0c260b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable