./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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 bd466f23ab481babcc03c4173983e1af9100c535496f2e2f8c8fc18a8aaf4174 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:47,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:47,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:48,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:48,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:48,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:48,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:48,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:48,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:48,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:48,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:48,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:48,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:48,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:48,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:48,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:48,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:48,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:48,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:48,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:48,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:48,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:48,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:48,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:48,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:48,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:48,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:48,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:48,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:48,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:48,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:48,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:48,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:48,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:48,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:48,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:48,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:48,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:48,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:48,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:48,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:48,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:48,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:48,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:48,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:48,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:48,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:48,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:48,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:48,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:48,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:48,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:48,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:48,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:48,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:48,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:48,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:48,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:48,175 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:48,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:48,176 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:48,176 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:48,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:48,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:48,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:48,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:48,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:48,177 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:48,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:48,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:48,178 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd466f23ab481babcc03c4173983e1af9100c535496f2e2f8c8fc18a8aaf4174 [2021-11-23 15:01:48,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:48,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:48,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:48,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:48,462 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:48,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c [2021-11-23 15:01:48,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/46fdd4079/e3eca2e040cf48e2a49a0941916f11a8/FLAG559c23fa8 [2021-11-23 15:01:49,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:49,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c [2021-11-23 15:01:49,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/46fdd4079/e3eca2e040cf48e2a49a0941916f11a8/FLAG559c23fa8 [2021-11-23 15:01:49,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/46fdd4079/e3eca2e040cf48e2a49a0941916f11a8 [2021-11-23 15:01:49,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:49,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:49,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:49,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:49,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:49,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48de3f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49, skipping insertion in model container [2021-11-23 15:01:49,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:49,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:49,669 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[911,924] [2021-11-23 15:01:49,744 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[8416,8429] [2021-11-23 15:01:49,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:49,847 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:49,865 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[911,924] [2021-11-23 15:01:49,905 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[8416,8429] [2021-11-23 15:01:49,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:49,975 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:49,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49 WrapperNode [2021-11-23 15:01:49,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:49,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:49,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:49,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:49,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,069 INFO L137 Inliner]: procedures = 63, calls = 74, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 619 [2021-11-23 15:01:50,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:50,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:50,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:50,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:50,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:50,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:50,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:50,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:50,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:50,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:50,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:50,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:50,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:01:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:01:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:01:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:01:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:01:50,231 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:01:50,231 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:01:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:01:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:01:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:01:50,232 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:01:50,232 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:01:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:01:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:01:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:01:50,233 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:01:50,233 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:01:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:01:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:01:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:01:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:01:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:01:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:01:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:01:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:01:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:01:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:01:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:01:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:01:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:01:50,339 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:50,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:51,110 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:01:51,110 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:01:51,207 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:51,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:01:51,290 INFO L158 Benchmark]: Toolchain (without parser) took 1899.16ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 49.4MB in the beginning and 75.7MB in the end (delta: -26.3MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,291 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:51,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.25ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 76.4MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.65ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 73.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,293 INFO L158 Benchmark]: Boogie Preprocessor took 68.83ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,294 INFO L158 Benchmark]: RCFGBuilder took 1148.72ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 75.7MB in the end (delta: -5.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:51,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.25ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 76.4MB in the end (delta: -27.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.65ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 73.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.83ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 70.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.72ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 75.7MB in the end (delta: -5.6MB). Peak memory consumption was 31.7MB. 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 15:01:51,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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 bd466f23ab481babcc03c4173983e1af9100c535496f2e2f8c8fc18a8aaf4174 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:53,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:53,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:53,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:53,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:53,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:53,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:53,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:53,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:53,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:53,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:53,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:53,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:53,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:53,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:53,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:53,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:53,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:53,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:53,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:53,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:53,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:53,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:53,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:53,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:53,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:53,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:53,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:53,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:53,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:53,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:53,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:53,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:54,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:54,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:54,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:54,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:54,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:54,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:54,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:54,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:54,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:54,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:54,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:54,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:54,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:54,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:54,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:54,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:54,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:54,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:54,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:54,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:54,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:54,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:54,059 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:54,059 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:54,059 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:54,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:54,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:54,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:54,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:54,061 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:54,061 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:54,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:54,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:54,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:54,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:54,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:54,062 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:54,062 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:54,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:54,063 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:54,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:54,063 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd466f23ab481babcc03c4173983e1af9100c535496f2e2f8c8fc18a8aaf4174 [2021-11-23 15:01:54,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:54,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:54,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:54,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:54,508 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:54,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c [2021-11-23 15:01:54,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/68bc40ae6/49fadc28f49e4aca8e3b4953c7bf15a1/FLAG9128a6a6e [2021-11-23 15:01:55,051 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:55,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c [2021-11-23 15:01:55,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/68bc40ae6/49fadc28f49e4aca8e3b4953c7bf15a1/FLAG9128a6a6e [2021-11-23 15:01:55,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/data/68bc40ae6/49fadc28f49e4aca8e3b4953c7bf15a1 [2021-11-23 15:01:55,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:55,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:55,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:55,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:55,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:55,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:55,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4097a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55, skipping insertion in model container [2021-11-23 15:01:55,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:55,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:55,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:55,626 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[911,924] [2021-11-23 15:01:55,734 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[8416,8429] [2021-11-23 15:01:55,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:55,798 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:55,811 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[911,924] [2021-11-23 15:01:55,836 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_d1d8a00a-953e-4bb9-b85d-3b27a3060963/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.04.cil-2.c[8416,8429] [2021-11-23 15:01:55,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:55,909 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:55,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55 WrapperNode [2021-11-23 15:01:55,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:55,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:55,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:55,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:55,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:55,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:55,980 INFO L137 Inliner]: procedures = 64, calls = 74, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 594 [2021-11-23 15:01:55,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:55,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:55,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:55,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:55,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:55,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:56,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:56,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:56,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:56,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:55" (1/1) ... [2021-11-23 15:01:56,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:56,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:56,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:56,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:01:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:01:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:01:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:01:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:01:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:01:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:01:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:01:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:01:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:01:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:01:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:01:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:01:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:01:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:01:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:01:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:01:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:01:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:01:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:01:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:01:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:01:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:01:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:01:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:01:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:01:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:01:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:01:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:01:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:01:56,280 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:56,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:57,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:01:57,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:01:57,141 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:57,198 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:01:57,205 INFO L158 Benchmark]: Toolchain (without parser) took 1786.86ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.8MB in the beginning and 38.5MB in the end (delta: -4.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:57,206 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:57,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.94ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 30.4MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:57,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.53ms. Allocated memory is still 56.6MB. Free memory was 30.4MB in the beginning and 27.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:57,209 INFO L158 Benchmark]: Boogie Preprocessor took 79.50ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 23.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:57,210 INFO L158 Benchmark]: RCFGBuilder took 1122.26ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 38.5MB in the end (delta: 14.5MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:57,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 37.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.94ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 30.4MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.53ms. Allocated memory is still 56.6MB. Free memory was 30.4MB in the beginning and 27.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.50ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 23.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1122.26ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 38.5MB in the end (delta: 14.5MB). Peak memory consumption was 23.2MB. 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 15:01:57,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d8a00a-953e-4bb9-b85d-3b27a3060963/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