./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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 d6bcae8fdfc31b6b7d4775dfad537e0ca42e395c3a990a218ee828052c4f57f7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:23,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:23,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:23,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:23,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:23,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:23,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:23,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:23,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:23,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:23,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:23,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:23,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:23,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:23,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:23,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:23,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:23,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:23,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:23,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:23,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:23,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:23,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:23,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:23,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:23,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:23,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:23,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:23,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:23,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:23,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:23,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:23,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:23,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:23,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:23,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:23,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:23,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:23,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:23,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:23,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:23,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:23,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:23,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:23,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:23,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:23,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:23,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:23,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:23,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:23,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:23,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:23,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:23,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:23,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:23,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:23,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:23,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:23,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:23,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:23,575 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:23,575 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:23,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:23,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:23,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:23,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:23,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:23,576 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:23,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:23,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:23,577 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6bcae8fdfc31b6b7d4775dfad537e0ca42e395c3a990a218ee828052c4f57f7 [2021-11-23 15:57:23,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:23,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:23,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:23,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:23,859 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:23,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c [2021-11-23 15:57:23,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/5bc60cd7d/862d920d43754a5288407f3b1156919a/FLAGf9f749731 [2021-11-23 15:57:25,032 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:25,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c [2021-11-23 15:57:25,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/5bc60cd7d/862d920d43754a5288407f3b1156919a/FLAGf9f749731 [2021-11-23 15:57:25,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/5bc60cd7d/862d920d43754a5288407f3b1156919a [2021-11-23 15:57:25,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:25,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:25,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:25,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:25,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:25,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:25" (1/1) ... [2021-11-23 15:57:25,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee4243b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:25, skipping insertion in model container [2021-11-23 15:57:25,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:25" (1/1) ... [2021-11-23 15:57:25,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:25,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:28,116 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[381679,381692] [2021-11-23 15:57:28,148 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[383339,383352] [2021-11-23 15:57:28,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:28,397 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:29,609 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[381679,381692] [2021-11-23 15:57:29,623 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[383339,383352] [2021-11-23 15:57:29,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:29,727 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:29,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29 WrapperNode [2021-11-23 15:57:29,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:29,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:29,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:29,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:29,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:29,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,513 INFO L137 Inliner]: procedures = 56, calls = 59, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 12851 [2021-11-23 15:57:30,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:30,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:30,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:30,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:30,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:30,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:30,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:30,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:30,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:30,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:29" (1/1) ... [2021-11-23 15:57:31,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:31,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:31,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:31,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:57:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:57:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:57:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:57:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:57:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:57:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:57:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:57:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:57:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:57:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:57:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:57:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:31,423 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:31,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:39,032 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:39,114 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 15:57:39,119 INFO L158 Benchmark]: Toolchain (without parser) took 13765.94ms. Allocated memory was 107.0MB in the beginning and 989.9MB in the end (delta: 882.9MB). Free memory was 61.8MB in the beginning and 680.5MB in the end (delta: -618.7MB). Peak memory consumption was 342.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,120 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:39,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4375.71ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 61.8MB in the beginning and 46.6MB in the end (delta: 15.2MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 783.89ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 46.6MB in the beginning and 133.5MB in the end (delta: -86.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,123 INFO L158 Benchmark]: Boogie Preprocessor took 473.84ms. Allocated memory was 247.5MB in the beginning and 494.9MB in the end (delta: 247.5MB). Free memory was 133.5MB in the beginning and 355.8MB in the end (delta: -222.3MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,124 INFO L158 Benchmark]: RCFGBuilder took 8128.14ms. Allocated memory was 494.9MB in the beginning and 989.9MB in the end (delta: 494.9MB). Free memory was 355.8MB in the beginning and 680.5MB in the end (delta: -324.7MB). Peak memory consumption was 248.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4375.71ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 61.8MB in the beginning and 46.6MB in the end (delta: 15.2MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 783.89ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 46.6MB in the beginning and 133.5MB in the end (delta: -86.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 473.84ms. Allocated memory was 247.5MB in the beginning and 494.9MB in the end (delta: 247.5MB). Free memory was 133.5MB in the beginning and 355.8MB in the end (delta: -222.3MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8128.14ms. Allocated memory was 494.9MB in the beginning and 989.9MB in the end (delta: 494.9MB). Free memory was 355.8MB in the beginning and 680.5MB in the end (delta: -324.7MB). Peak memory consumption was 248.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:39,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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 d6bcae8fdfc31b6b7d4775dfad537e0ca42e395c3a990a218ee828052c4f57f7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:41,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:41,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:41,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:41,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:41,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:41,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:41,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:41,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:41,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:41,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:41,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:41,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:41,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:41,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:41,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:41,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:41,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:41,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:41,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:41,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:41,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:41,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:41,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:41,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:41,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:41,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:41,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:41,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:41,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:41,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:41,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:41,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:41,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:41,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:41,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:41,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:41,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:41,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:41,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:41,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:41,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:41,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:41,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:41,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:41,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:41,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:41,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:41,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:41,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:41,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:41,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:41,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:41,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:41,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:41,924 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:41,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:41,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:41,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:41,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:41,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:41,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:41,926 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:41,926 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:41,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:41,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:41,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:41,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:41,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:41,927 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:41,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:41,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:41,928 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:41,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:41,929 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6bcae8fdfc31b6b7d4775dfad537e0ca42e395c3a990a218ee828052c4f57f7 [2021-11-23 15:57:42,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:42,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:42,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:42,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:42,416 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:42,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c [2021-11-23 15:57:42,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/7aa75165c/c185e7f0db124774a6632aeafec2aae6/FLAG87cbcfe0c [2021-11-23 15:57:43,695 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:43,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c [2021-11-23 15:57:43,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/7aa75165c/c185e7f0db124774a6632aeafec2aae6/FLAG87cbcfe0c [2021-11-23 15:57:43,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/data/7aa75165c/c185e7f0db124774a6632aeafec2aae6 [2021-11-23 15:57:43,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:43,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:43,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:43,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:43,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:43,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:43" (1/1) ... [2021-11-23 15:57:43,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1779d651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:43, skipping insertion in model container [2021-11-23 15:57:43,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:43" (1/1) ... [2021-11-23 15:57:43,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:44,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:46,790 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[381679,381692] [2021-11-23 15:57:46,816 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[383339,383352] [2021-11-23 15:57:47,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:47,142 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:48,512 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[381679,381692] [2021-11-23 15:57:48,527 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_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/sv-benchmarks/c/combinations/Problem05_label43+token_ring.06.cil-2.c[383339,383352] [2021-11-23 15:57:48,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:48,632 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:48,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48 WrapperNode [2021-11-23 15:57:48,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:48,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:48,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:48,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:48,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:48,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,194 INFO L137 Inliner]: procedures = 57, calls = 59, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 12821 [2021-11-23 15:57:49,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:49,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:49,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:49,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:49,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:49,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:49,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:49,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:49,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:48" (1/1) ... [2021-11-23 15:57:49,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:49,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:49,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:57:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:57:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:57:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:57:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:57:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:57:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:57:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:49,969 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:49,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:00,659 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:00,751 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:00,755 INFO L158 Benchmark]: Toolchain (without parser) took 16780.89ms. Allocated memory was 75.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 39.0MB in the beginning and 932.8MB in the end (delta: -893.8MB). Peak memory consumption was 393.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:00,756 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 56.6MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:00,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4657.87ms. Allocated memory was 75.5MB in the beginning and 293.6MB in the end (delta: 218.1MB). Free memory was 38.8MB in the beginning and 177.2MB in the end (delta: -138.4MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:00,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 561.00ms. Allocated memory is still 293.6MB. Free memory was 177.2MB in the beginning and 150.3MB in the end (delta: 26.9MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:00,759 INFO L158 Benchmark]: Boogie Preprocessor took 577.29ms. Allocated memory was 293.6MB in the beginning and 587.2MB in the end (delta: 293.6MB). Free memory was 150.3MB in the beginning and 426.0MB in the end (delta: -275.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:00,760 INFO L158 Benchmark]: RCFGBuilder took 10980.00ms. Allocated memory was 587.2MB in the beginning and 1.2GB in the end (delta: 587.2MB). Free memory was 426.0MB in the beginning and 932.8MB in the end (delta: -506.8MB). Peak memory consumption was 271.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:00,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 56.6MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4657.87ms. Allocated memory was 75.5MB in the beginning and 293.6MB in the end (delta: 218.1MB). Free memory was 38.8MB in the beginning and 177.2MB in the end (delta: -138.4MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 561.00ms. Allocated memory is still 293.6MB. Free memory was 177.2MB in the beginning and 150.3MB in the end (delta: 26.9MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 577.29ms. Allocated memory was 293.6MB in the beginning and 587.2MB in the end (delta: 293.6MB). Free memory was 150.3MB in the beginning and 426.0MB in the end (delta: -275.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * RCFGBuilder took 10980.00ms. Allocated memory was 587.2MB in the beginning and 1.2GB in the end (delta: 587.2MB). Free memory was 426.0MB in the beginning and 932.8MB in the end (delta: -506.8MB). Peak memory consumption was 271.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:00,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c25912-aaf4-4cfc-8537-0b7bd00a717e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable