./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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 a31ccbb50ed824a1b6eea67c3747e38f48ab93613ea1abf86baf8d129dc78945 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:42,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:42,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:42,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:42,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:42,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:42,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:42,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:42,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:42,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:42,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:42,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:42,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:42,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:42,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:42,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:42,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:42,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:42,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:42,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:42,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:42,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:42,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:42,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:42,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:42,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:42,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:42,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:42,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:42,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:42,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:42,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:42,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:42,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:42,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:42,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:42,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:42,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:42,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:42,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:42,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:42,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:42,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:42,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:42,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:42,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:42,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:42,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:42,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:42,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:42,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:42,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:42,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:42,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:42,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:42,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:42,854 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:42,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:42,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:42,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:42,855 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:42,855 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:42,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:42,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:42,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:42,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:42,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:42,856 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:42,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:42,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:42,857 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a31ccbb50ed824a1b6eea67c3747e38f48ab93613ea1abf86baf8d129dc78945 [2021-11-23 15:46:43,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:43,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:43,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:43,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:43,222 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:43,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c [2021-11-23 15:46:43,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/2f5aaa2be/b4507060dfe2470298dfea2ab5a1e6ee/FLAGff5501d52 [2021-11-23 15:46:43,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:43,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c [2021-11-23 15:46:43,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/2f5aaa2be/b4507060dfe2470298dfea2ab5a1e6ee/FLAGff5501d52 [2021-11-23 15:46:44,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/2f5aaa2be/b4507060dfe2470298dfea2ab5a1e6ee [2021-11-23 15:46:44,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:44,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:44,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:44,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:44,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:44,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d28013e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44, skipping insertion in model container [2021-11-23 15:46:44,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:44,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:44,434 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[914,927] [2021-11-23 15:46:44,484 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[7115,7128] [2021-11-23 15:46:44,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:44,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:44,555 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[914,927] [2021-11-23 15:46:44,578 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[7115,7128] [2021-11-23 15:46:44,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:44,632 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:44,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44 WrapperNode [2021-11-23 15:46:44,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:44,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:44,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:44,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:44,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,737 INFO L137 Inliner]: procedures = 59, calls = 67, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 523 [2021-11-23 15:46:44,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:44,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:44,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:44,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:44,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:44,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:44,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:44,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:44,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:44" (1/1) ... [2021-11-23 15:46:44,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:44,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:44,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:44,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:46:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:46:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:46:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:46:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:46:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:46:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:46:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:46:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:46:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:46:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:46:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:46:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:46:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:46:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:46:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:46:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:46:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:46:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:46:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:46:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:46:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:46:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:46:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:46:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:46:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:46:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:46:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:46:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:46:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:46:44,986 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:44,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:45,722 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:45,785 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 15:46:45,791 INFO L158 Benchmark]: Toolchain (without parser) took 1619.47ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 85.2MB in the end (delta: -3.5MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:45,792 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory was 32.4MB in the beginning and 32.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:45,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.09ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 82.8MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:45,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.58ms. Allocated memory is still 115.3MB. Free memory was 82.8MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:45,797 INFO L158 Benchmark]: Boogie Preprocessor took 57.35ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 77.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:45,798 INFO L158 Benchmark]: RCFGBuilder took 991.10ms. Allocated memory is still 115.3MB. Free memory was 77.0MB in the beginning and 85.2MB in the end (delta: -8.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:45,809 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 75.5MB. Free memory was 32.4MB in the beginning and 32.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.09ms. Allocated memory is still 115.3MB. Free memory was 81.4MB in the beginning and 82.8MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.58ms. Allocated memory is still 115.3MB. Free memory was 82.8MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.35ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 77.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 991.10ms. Allocated memory is still 115.3MB. Free memory was 77.0MB in the beginning and 85.2MB in the end (delta: -8.2MB). Peak memory consumption was 31.5MB. 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 15:46:45,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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 a31ccbb50ed824a1b6eea67c3747e38f48ab93613ea1abf86baf8d129dc78945 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:48,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:48,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:48,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:48,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:48,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:48,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:48,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:48,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:48,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:48,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:48,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:48,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:48,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:48,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:48,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:48,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:48,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:48,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:48,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:48,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:48,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:48,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:48,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:48,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:48,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:48,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:48,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:48,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:48,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:48,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:48,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:48,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:48,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:48,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:48,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:48,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:48,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:48,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:48,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:48,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:48,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:48,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:48,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:48,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:48,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:48,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:48,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:48,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:48,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:48,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:48,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:48,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:48,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:48,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:48,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:48,545 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:48,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:48,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:48,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:48,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:48,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:48,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:48,546 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:48,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:48,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:48,547 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:48,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:48,547 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a31ccbb50ed824a1b6eea67c3747e38f48ab93613ea1abf86baf8d129dc78945 [2021-11-23 15:46:48,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:48,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:48,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:48,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:48,923 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:48,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c [2021-11-23 15:46:49,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/e1536ab9d/467bcd016ee14bc5ac21ca4ca40f6321/FLAGd72c58f99 [2021-11-23 15:46:49,593 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:49,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c [2021-11-23 15:46:49,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/e1536ab9d/467bcd016ee14bc5ac21ca4ca40f6321/FLAGd72c58f99 [2021-11-23 15:46:49,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/data/e1536ab9d/467bcd016ee14bc5ac21ca4ca40f6321 [2021-11-23 15:46:49,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:49,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:49,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:49,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:49,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:49,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:49" (1/1) ... [2021-11-23 15:46:49,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ea764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:49, skipping insertion in model container [2021-11-23 15:46:49,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:49" (1/1) ... [2021-11-23 15:46:49,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:49,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:50,101 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[914,927] [2021-11-23 15:46:50,206 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[7115,7128] [2021-11-23 15:46:50,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:50,288 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:50,300 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[914,927] [2021-11-23 15:46:50,322 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_d3c3c909-88ee-4941-955a-87c7aa77a6b9/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[7115,7128] [2021-11-23 15:46:50,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:50,376 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:50,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50 WrapperNode [2021-11-23 15:46:50,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:50,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:50,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:50,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:50,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,451 INFO L137 Inliner]: procedures = 60, calls = 67, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 501 [2021-11-23 15:46:50,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:50,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:50,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:50,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:50,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:50,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:50,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:50,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:50,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:50" (1/1) ... [2021-11-23 15:46:50,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:50,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:50,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:50,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:46:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:46:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:46:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:46:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:46:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:46:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:46:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:46:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:46:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:46:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:46:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:46:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:46:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:46:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:46:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:46:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:46:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:46:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:46:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:46:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:46:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:46:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:46:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:46:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:46:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:46:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:46:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:46:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:46:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:46:50,743 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:50,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:51,513 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:51,564 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 15:46:51,570 INFO L158 Benchmark]: Toolchain (without parser) took 1681.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 52.7MB in the beginning and 47.1MB in the end (delta: 5.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-23 15:46:51,571 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:51,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.98ms. Allocated memory is still 71.3MB. Free memory was 52.4MB in the beginning and 47.5MB in the end (delta: 5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:46:51,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.76ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:51,575 INFO L158 Benchmark]: Boogie Preprocessor took 82.70ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 41.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:51,576 INFO L158 Benchmark]: RCFGBuilder took 1027.37ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.5MB in the beginning and 47.1MB in the end (delta: -5.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:46:51,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.98ms. Allocated memory is still 71.3MB. Free memory was 52.4MB in the beginning and 47.5MB in the end (delta: 5.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.76ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.70ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 41.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.37ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.5MB in the beginning and 47.1MB in the end (delta: -5.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:46:51,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c3c909-88ee-4941-955a-87c7aa77a6b9/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