./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/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_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/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_30de503c-ec31-4f96-bdf7-1a926e5cf869/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 e66fe5eb90acc3593adc287e36d23065dfefbc6990eac560131acb70e1e7dcec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:48,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:48,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:48,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:48,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:48,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:48,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:48,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:48,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:48,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:48,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:48,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:48,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:48,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:48,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:48,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:48,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:48,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:48,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:48,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:48,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:48,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:48,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:48,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:48,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:48,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:48,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:48,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:48,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:48,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:48,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:48,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:48,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:48,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:48,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:48,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:48,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:48,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:48,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:48,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:48,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:48,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:48,226 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:48,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:48,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:48,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:48,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:48,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:48,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:48,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:48,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:48,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:48,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:48,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:48,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:48,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:48,231 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:48,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:48,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:48,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:48,231 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:48,231 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:48,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:48,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:48,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:48,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:48,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:48,233 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:48,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:48,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:48,233 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66fe5eb90acc3593adc287e36d23065dfefbc6990eac560131acb70e1e7dcec [2021-11-23 15:56:48,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:48,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:48,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:48,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:48,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:48,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2021-11-23 15:56:48,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/f138ced5a/821b00fec68f4ccfac84f7c50a94e0fc/FLAG6ce6050aa [2021-11-23 15:56:49,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:49,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2021-11-23 15:56:49,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/f138ced5a/821b00fec68f4ccfac84f7c50a94e0fc/FLAG6ce6050aa [2021-11-23 15:56:49,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/f138ced5a/821b00fec68f4ccfac84f7c50a94e0fc [2021-11-23 15:56:49,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:49,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:49,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:49,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:49,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:49,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:49" (1/1) ... [2021-11-23 15:56:49,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2ca3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:49, skipping insertion in model container [2021-11-23 15:56:49,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:49" (1/1) ... [2021-11-23 15:56:49,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:49,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:49,900 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[914,927] [2021-11-23 15:56:50,005 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[7125,7138] [2021-11-23 15:56:50,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:50,236 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:50,248 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[914,927] [2021-11-23 15:56:50,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[7125,7138] [2021-11-23 15:56:50,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:50,383 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:50,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50 WrapperNode [2021-11-23 15:56:50,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:50,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:50,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:50,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:50,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,500 INFO L137 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1099 [2021-11-23 15:56:50,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:50,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:50,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:50,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:50,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:50,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:50,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:50,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:50,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:50" (1/1) ... [2021-11-23 15:56:50,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:50,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:50,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:50,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:56:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:56:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:56:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:56:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:56:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:56:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:56:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:56:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:56:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:56:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:56:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:56:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:56:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:56:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:56:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:56:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:56:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:56:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:56:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:56:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:56:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:56:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:56:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:56:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:56:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:56:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:56:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:56:50,957 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:50,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:51,877 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:51,938 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 15:56:51,943 INFO L158 Benchmark]: Toolchain (without parser) took 2353.82ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 81.6MB in the end (delta: 11.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:51,944 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:51,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.86ms. Allocated memory is still 130.0MB. Free memory was 93.0MB in the beginning and 92.6MB in the end (delta: 350.8kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:51,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.58ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 87.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:51,948 INFO L158 Benchmark]: Boogie Preprocessor took 119.79ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 83.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:51,948 INFO L158 Benchmark]: RCFGBuilder took 1318.70ms. Allocated memory is still 130.0MB. Free memory was 83.1MB in the beginning and 81.6MB in the end (delta: 1.5MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:51,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 110.8MB in the beginning and 110.7MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.86ms. Allocated memory is still 130.0MB. Free memory was 93.0MB in the beginning and 92.6MB in the end (delta: 350.8kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.58ms. Allocated memory is still 130.0MB. Free memory was 92.6MB in the beginning and 87.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.79ms. Allocated memory is still 130.0MB. Free memory was 87.7MB in the beginning and 83.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1318.70ms. Allocated memory is still 130.0MB. Free memory was 83.1MB in the beginning and 81.6MB in the end (delta: 1.5MB). Peak memory consumption was 42.2MB. 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 15:56:52,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/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_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/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_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/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_30de503c-ec31-4f96-bdf7-1a926e5cf869/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 e66fe5eb90acc3593adc287e36d23065dfefbc6990eac560131acb70e1e7dcec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:54,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:54,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:54,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:54,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:54,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:54,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:54,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:54,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:54,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:54,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:54,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:54,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:54,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:54,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:54,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:54,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:54,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:54,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:54,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:54,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:54,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:54,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:54,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:54,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:54,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:54,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:54,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:54,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:54,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:54,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:54,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:54,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:54,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:54,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:54,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:54,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:54,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:54,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:54,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:54,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:54,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:54,607 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:54,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:54,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:54,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:54,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:54,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:54,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:54,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:54,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:54,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:54,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:54,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:54,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:54,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:54,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:54,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:54,619 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:54,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:54,620 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:54,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:54,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:54,621 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:54,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:54,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:54,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:54,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:54,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:54,622 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:54,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:54,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:54,623 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:54,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:54,624 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e66fe5eb90acc3593adc287e36d23065dfefbc6990eac560131acb70e1e7dcec [2021-11-23 15:56:54,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:55,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:55,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:55,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:55,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:55,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2021-11-23 15:56:55,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/e6862d4e8/fc152009f62848fb82d4faefd1cf025a/FLAG956e48fbe [2021-11-23 15:56:55,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:55,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c [2021-11-23 15:56:55,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/e6862d4e8/fc152009f62848fb82d4faefd1cf025a/FLAG956e48fbe [2021-11-23 15:56:56,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/data/e6862d4e8/fc152009f62848fb82d4faefd1cf025a [2021-11-23 15:56:56,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:56,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:56,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:56,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:56,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:56,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11311e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56, skipping insertion in model container [2021-11-23 15:56:56,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:56,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:56,248 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[914,927] [2021-11-23 15:56:56,348 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[7125,7138] [2021-11-23 15:56:56,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:56,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:56,557 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[914,927] [2021-11-23 15:56:56,596 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_30de503c-ec31-4f96-bdf7-1a926e5cf869/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.13.cil-2.c[7125,7138] [2021-11-23 15:56:56,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:56,723 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:56,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56 WrapperNode [2021-11-23 15:56:56,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:56,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:56,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:56,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:56,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,837 INFO L137 Inliner]: procedures = 80, calls = 97, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1058 [2021-11-23 15:56:56,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:56,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:56,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:56,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:56,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:56,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:56,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:56,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:56,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:56,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:56,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:57,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:56:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:56:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:56:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:56:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:56:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:56:57,029 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:56:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:56:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:56:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:56:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:56:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:56:57,030 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:56:57,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:56:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:56:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:56:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:56:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:56:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:56:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:56:57,031 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:56:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:56:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:56:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:56:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:56:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:56:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:57,032 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:56:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:56:57,258 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:57,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:58,356 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:58,416 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 15:56:58,424 INFO L158 Benchmark]: Toolchain (without parser) took 2409.82ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 38.8MB in the beginning and 54.1MB in the end (delta: -15.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 15:56:58,425 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:58,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.80ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 38.5MB in the beginning and 57.5MB in the end (delta: -19.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:58,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.11ms. Allocated memory is still 90.2MB. Free memory was 57.5MB in the beginning and 52.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:58,429 INFO L158 Benchmark]: Boogie Preprocessor took 77.92ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 47.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:58,430 INFO L158 Benchmark]: RCFGBuilder took 1502.82ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 54.1MB in the end (delta: -6.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:58,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.80ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 38.5MB in the beginning and 57.5MB in the end (delta: -19.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.11ms. Allocated memory is still 90.2MB. Free memory was 57.5MB in the beginning and 52.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.92ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 47.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1502.82ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 54.1MB in the end (delta: -6.3MB). Peak memory consumption was 19.7MB. 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 15:56:58,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30de503c-ec31-4f96-bdf7-1a926e5cf869/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