./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:00,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:00,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:00,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:00,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:00,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:00,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:00,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:00,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:00,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:00,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:00,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:00,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:00,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:00,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:00,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:00,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:00,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:00,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:00,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:00,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:00,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:00,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:00,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:00,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:00,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:00,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:00,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:00,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:00,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:00,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:00,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:00,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:00,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:00,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:00,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:00,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:00,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:00,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:00,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:00,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:00,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:31:00,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:00,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:00,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:00,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:00,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:00,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:00,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:00,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:00,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:00,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:00,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:00,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:00,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:00,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:00,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:00,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:00,769 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:00,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:00,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:00,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:00,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:00,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:00,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:00,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:00,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:00,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:00,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:00,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:00,772 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 [2021-11-23 15:31:01,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:01,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:01,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:01,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:01,139 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:01,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2021-11-23 15:31:01,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/00649a23a/59a5362f13eb4fe29c8065b86c06f7e8/FLAGb59d86910 [2021-11-23 15:31:01,917 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:01,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2021-11-23 15:31:01,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/00649a23a/59a5362f13eb4fe29c8065b86c06f7e8/FLAGb59d86910 [2021-11-23 15:31:02,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/00649a23a/59a5362f13eb4fe29c8065b86c06f7e8 [2021-11-23 15:31:02,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:02,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:02,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:02,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:02,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:02,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:02,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cedf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02, skipping insertion in model container [2021-11-23 15:31:02,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:02,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:02,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:02,543 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[914,927] [2021-11-23 15:31:02,638 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[7115,7128] [2021-11-23 15:31:02,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:02,842 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:02,857 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[914,927] [2021-11-23 15:31:02,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[7115,7128] [2021-11-23 15:31:02,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:02,999 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:02,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02 WrapperNode [2021-11-23 15:31:02,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:03,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:03,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:03,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:03,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,115 INFO L137 Inliner]: procedures = 79, calls = 96, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1098 [2021-11-23 15:31:03,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:03,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:03,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:03,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:03,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:03,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:03,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:03,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:03,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:02" (1/1) ... [2021-11-23 15:31:03,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:03,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:03,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:03,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:31:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:31:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:31:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:31:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:31:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:31:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:31:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:31:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:31:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:31:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:31:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:31:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:31:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:31:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:31:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:31:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:31:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:31:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:31:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:31:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:31:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:31:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:31:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:31:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:31:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:31:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:31:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:31:03,536 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:03,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:04,689 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:04,801 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 15:31:04,808 INFO L158 Benchmark]: Toolchain (without parser) took 2578.85ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 69.3MB in the beginning and 74.7MB in the end (delta: -5.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:04,810 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:04,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.16ms. Allocated memory is still 90.2MB. Free memory was 69.1MB in the beginning and 51.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:04,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.18ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 46.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:04,814 INFO L158 Benchmark]: Boogie Preprocessor took 135.42ms. Allocated memory is still 90.2MB. Free memory was 46.8MB in the beginning and 42.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:04,815 INFO L158 Benchmark]: RCFGBuilder took 1551.69ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 42.1MB in the beginning and 74.7MB in the end (delta: -32.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:04,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 66.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.16ms. Allocated memory is still 90.2MB. Free memory was 69.1MB in the beginning and 51.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.18ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 46.8MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.42ms. Allocated memory is still 90.2MB. Free memory was 46.8MB in the beginning and 42.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1551.69ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 42.1MB in the beginning and 74.7MB in the end (delta: -32.6MB). Peak memory consumption was 26.8MB. 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 15:31:04,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:07,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:07,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:07,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:07,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:07,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:07,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:07,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:07,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:07,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:07,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:07,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:07,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:07,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:07,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:07,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:07,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:07,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:07,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:07,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:07,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:07,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:07,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:07,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:07,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:07,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:07,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:07,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:07,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:07,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:07,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:07,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:07,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:07,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:07,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:07,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:07,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:07,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:07,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:07,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:07,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:07,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:07,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:07,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:07,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:07,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:07,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:07,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:07,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:07,855 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:07,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:07,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:07,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:07,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:07,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:07,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:07,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:07,859 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:07,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:07,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:07,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:07,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:07,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:07,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:07,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:07,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:07,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:07,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:07,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:07,864 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:07,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:07,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:07,865 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:07,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:07,866 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 [2021-11-23 15:31:08,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:08,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:08,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:08,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:08,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:08,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2021-11-23 15:31:08,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/ab1d58ce4/fc02becd00ba461ba4781182c3194dfa/FLAGcc7735404 [2021-11-23 15:31:09,153 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:09,153 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2021-11-23 15:31:09,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/ab1d58ce4/fc02becd00ba461ba4781182c3194dfa/FLAGcc7735404 [2021-11-23 15:31:09,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/data/ab1d58ce4/fc02becd00ba461ba4781182c3194dfa [2021-11-23 15:31:09,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:09,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:09,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:09,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:09,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:09,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:09" (1/1) ... [2021-11-23 15:31:09,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3662401b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:09, skipping insertion in model container [2021-11-23 15:31:09,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:09" (1/1) ... [2021-11-23 15:31:09,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:09,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:09,710 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[914,927] [2021-11-23 15:31:09,835 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[7115,7128] [2021-11-23 15:31:10,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:10,041 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:10,057 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[914,927] [2021-11-23 15:31:10,092 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_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c[7115,7128] [2021-11-23 15:31:10,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:10,195 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:10,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10 WrapperNode [2021-11-23 15:31:10,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:10,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:10,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:10,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:10,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,322 INFO L137 Inliner]: procedures = 80, calls = 96, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1057 [2021-11-23 15:31:10,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:10,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:10,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:10,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:10,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:10,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:10,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:10,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:10,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:10" (1/1) ... [2021-11-23 15:31:10,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:10,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:10,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:10,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:31:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:31:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:31:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:31:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:31:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:31:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:31:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:31:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:31:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:31:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:31:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:31:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:31:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:31:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:31:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:31:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:31:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:31:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:31:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:31:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:31:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:31:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:31:10,838 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:10,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:12,275 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:12,354 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 15:31:12,364 INFO L158 Benchmark]: Toolchain (without parser) took 2977.73ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 55.7MB in the end (delta: 61.0kB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:12,366 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:12,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.20ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 43.5MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:31:12,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.38ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 38.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:12,370 INFO L158 Benchmark]: Boogie Preprocessor took 124.02ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 55.0MB in the end (delta: -16.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:12,372 INFO L158 Benchmark]: RCFGBuilder took 1911.05ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 55.0MB in the beginning and 55.7MB in the end (delta: -623.8kB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 15:31:12,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.20ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 43.5MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.38ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 38.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.02ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 55.0MB in the end (delta: -16.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1911.05ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 55.0MB in the beginning and 55.7MB in the end (delta: -623.8kB). Peak memory consumption was 32.7MB. 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 15:31:12,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58bec8f8-3bc2-48e0-8a8a-86dff09e3adc/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