./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.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_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/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_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/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_38ca243a-280e-40c8-90cb-8a1b2849ba59/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 5519dfe0be74dafaa274c71ed936f0e7133f32a3aa7e45c032b5d5b905afa484 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:56,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:56,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:56,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:56,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:56,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:56,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:56,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:56,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:56,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:56,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:56,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:56,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:56,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:56,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:56,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:56,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:56,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:56,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:56,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:56,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:56,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:56,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:56,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:56,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:56,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:56,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:56,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:56,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:56,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:56,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:56,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:56,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:56,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:56,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:56,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:56,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:56,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:56,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:56,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:56,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:56,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:56,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:56,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:56,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:56,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:56,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:56,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:56,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:56,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:56,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:56,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:56,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:56,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:56,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:56,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:56,179 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:56,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:56,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:56,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:56,179 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:56,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:56,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:56,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:56,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:56,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:56,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:56,181 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:56,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:56,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:56,182 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5519dfe0be74dafaa274c71ed936f0e7133f32a3aa7e45c032b5d5b905afa484 [2021-11-23 15:58:56,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:56,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:56,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:56,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:56,472 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:56,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c [2021-11-23 15:58:56,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/8ad6d86a5/236db685e75a449aa7a32c45460c32d6/FLAG215981f64 [2021-11-23 15:58:57,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:57,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c [2021-11-23 15:58:57,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/8ad6d86a5/236db685e75a449aa7a32c45460c32d6/FLAG215981f64 [2021-11-23 15:58:57,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/8ad6d86a5/236db685e75a449aa7a32c45460c32d6 [2021-11-23 15:58:57,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:57,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:57,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:57,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:57,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:57,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:57" (1/1) ... [2021-11-23 15:58:57,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4aa0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:57, skipping insertion in model container [2021-11-23 15:58:57,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:57" (1/1) ... [2021-11-23 15:58:57,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:57,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:57,691 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[911,924] [2021-11-23 15:58:57,774 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[8416,8429] [2021-11-23 15:58:57,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:57,936 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:57,950 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[911,924] [2021-11-23 15:58:57,983 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[8416,8429] [2021-11-23 15:58:58,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:58,069 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:58,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58 WrapperNode [2021-11-23 15:58:58,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:58,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:58,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,162 INFO L137 Inliner]: procedures = 79, calls = 98, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1081 [2021-11-23 15:58:58,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:58,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:58,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:58,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:58,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:58,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:58,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:58,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:58,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:58,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:58:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:58:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:58:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:58:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:58:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:58:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:58:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:58:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:58:58,320 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:58:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:58:58,320 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:58:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:58:58,320 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:58:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:58:58,320 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:58:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:58:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:58:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:58:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:58:58,321 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:58:58,321 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:58:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:58:58,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:58:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:58:58,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:58:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:58,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:58:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:58:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:58:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:58:58,537 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:58,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:59,370 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:58:59,371 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:58:59,447 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:59,517 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:58:59,522 INFO L158 Benchmark]: Toolchain (without parser) took 2112.87ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.5MB in the beginning and 80.1MB in the end (delta: -23.5MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,523 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:59,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.17ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 95.0kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.79ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 51.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,525 INFO L158 Benchmark]: Boogie Preprocessor took 68.89ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 46.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,526 INFO L158 Benchmark]: RCFGBuilder took 1286.89ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 46.6MB in the beginning and 80.1MB in the end (delta: -33.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:59,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.17ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 95.0kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.79ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 51.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.89ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 46.8MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1286.89ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 46.6MB in the beginning and 80.1MB in the end (delta: -33.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:59,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/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_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/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_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/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_38ca243a-280e-40c8-90cb-8a1b2849ba59/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 5519dfe0be74dafaa274c71ed936f0e7133f32a3aa7e45c032b5d5b905afa484 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:01,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:01,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:02,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:02,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:02,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:02,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:02,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:02,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:02,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:02,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:02,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:02,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:02,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:02,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:02,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:02,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:02,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:02,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:02,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:02,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:02,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:02,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:02,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:02,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:02,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:02,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:02,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:02,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:02,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:02,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:02,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:02,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:02,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:02,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:02,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:02,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:02,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:02,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:02,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:02,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:02,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:02,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:02,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:02,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:02,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:02,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:02,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:02,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:02,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:02,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:02,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:02,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:02,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:02,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:02,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:02,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:02,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:02,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:02,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:02,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:02,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:02,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:02,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:02,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:02,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:02,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:02,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:02,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:02,160 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:02,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:02,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:02,161 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:02,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:02,161 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5519dfe0be74dafaa274c71ed936f0e7133f32a3aa7e45c032b5d5b905afa484 [2021-11-23 15:59:02,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:02,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:02,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:02,549 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:02,549 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:02,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c [2021-11-23 15:59:02,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/43028c8ce/2ae5c7f9207642bcb2002f3040a15c45/FLAG41e7c1639 [2021-11-23 15:59:03,235 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:03,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c [2021-11-23 15:59:03,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/43028c8ce/2ae5c7f9207642bcb2002f3040a15c45/FLAG41e7c1639 [2021-11-23 15:59:03,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/data/43028c8ce/2ae5c7f9207642bcb2002f3040a15c45 [2021-11-23 15:59:03,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:03,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:03,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:03,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:03,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:03,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb10d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:03, skipping insertion in model container [2021-11-23 15:59:03,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:03" (1/1) ... [2021-11-23 15:59:03,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:03,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:03,750 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[911,924] [2021-11-23 15:59:03,900 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[8416,8429] [2021-11-23 15:59:04,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:04,053 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:04,065 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[911,924] [2021-11-23 15:59:04,081 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_38ca243a-280e-40c8-90cb-8a1b2849ba59/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.14.cil.c[8416,8429] [2021-11-23 15:59:04,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:04,155 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:04,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04 WrapperNode [2021-11-23 15:59:04,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:04,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:04,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:04,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,252 INFO L137 Inliner]: procedures = 80, calls = 98, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1040 [2021-11-23 15:59:04,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:04,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:04,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:04,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:04,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:04,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:04,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:04,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:04,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:59:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:59:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:59:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:59:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:59:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:59:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:59:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:59:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:59:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:59:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:59:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:59:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:59:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:59:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:59:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:59:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:59:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:59:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:59:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:59:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:59:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:59:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:59:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:59:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:59:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:59:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:59:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:59:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:59:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:59:04,665 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:04,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:05,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:59:05,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:59:05,661 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:05,726 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:59:05,733 INFO L158 Benchmark]: Toolchain (without parser) took 2231.69ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 44.9MB in the beginning and 60.5MB in the end (delta: -15.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:05,734 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:05,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.78ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 34.4MB in the end (delta: 10.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:05,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.99ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 34.3MB in the beginning and 70.9MB in the end (delta: -36.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 15:59:05,738 INFO L158 Benchmark]: Boogie Preprocessor took 72.16ms. Allocated memory is still 90.2MB. Free memory was 70.9MB in the beginning and 66.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:05,739 INFO L158 Benchmark]: RCFGBuilder took 1388.83ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 60.5MB in the end (delta: 5.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:05,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.78ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 34.4MB in the end (delta: 10.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.99ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 34.3MB in the beginning and 70.9MB in the end (delta: -36.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.16ms. Allocated memory is still 90.2MB. Free memory was 70.9MB in the beginning and 66.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1388.83ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 60.5MB in the end (delta: 5.5MB). Peak memory consumption was 29.9MB. 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 15:59:05,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38ca243a-280e-40c8-90cb-8a1b2849ba59/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