./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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 1cb4eb95fbb86e81adddda10624c3164b4456d4761ce2ac967ea89c58c777ea3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:16,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:16,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:16,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:16,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:16,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:16,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:16,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:16,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:16,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:16,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:16,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:16,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:16,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:16,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:16,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:16,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:16,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:16,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:16,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:16,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:16,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:16,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:16,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:16,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:16,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:16,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:16,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:16,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:16,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:16,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:16,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:16,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:16,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:16,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:16,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:16,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:16,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:16,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:16,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:16,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:16,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:16,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:16,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:16,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:16,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:16,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:16,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:16,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:16,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:16,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:16,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:16,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:16,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:16,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:16,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:16,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:16,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:16,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:16,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:16,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:16,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:16,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:16,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:16,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:16,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:16,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:16,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:16,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:16,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:16,704 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb4eb95fbb86e81adddda10624c3164b4456d4761ce2ac967ea89c58c777ea3 [2021-11-23 15:05:16,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:17,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:17,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:17,015 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:17,016 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:17,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c [2021-11-23 15:05:17,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/f68502c23/03380b86468b498f98bf92e0b2a89325/FLAG480a239e3 [2021-11-23 15:05:18,094 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:18,095 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c [2021-11-23 15:05:18,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/f68502c23/03380b86468b498f98bf92e0b2a89325/FLAG480a239e3 [2021-11-23 15:05:18,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/f68502c23/03380b86468b498f98bf92e0b2a89325 [2021-11-23 15:05:18,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:18,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:18,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:18,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:18,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:18,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:18" (1/1) ... [2021-11-23 15:05:18,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b21bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:18, skipping insertion in model container [2021-11-23 15:05:18,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:18" (1/1) ... [2021-11-23 15:05:18,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:18,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:21,229 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[380593,380606] [2021-11-23 15:05:21,266 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[383339,383352] [2021-11-23 15:05:21,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,552 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:22,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[380593,380606] [2021-11-23 15:05:22,756 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[383339,383352] [2021-11-23 15:05:22,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:22,844 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:22,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22 WrapperNode [2021-11-23 15:05:22,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:22,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:22,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:22,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:22,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:22,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:23,312 INFO L137 Inliner]: procedures = 52, calls = 53, calls flagged for inlining = 30, calls inlined = 30, statements flattened = 12735 [2021-11-23 15:05:23,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:23,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:23,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:23,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:23,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:23,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:23,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:23,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:23,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:23,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:24,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:24,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:24,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:24,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:24,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:24,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:22" (1/1) ... [2021-11-23 15:05:24,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:24,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:24,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:24,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:05:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:05:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:05:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:05:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:05:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:05:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:05:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:05:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:05:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:05:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:05:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:05:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:24,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:24,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:24,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:32,079 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:32,215 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 15:05:32,221 INFO L158 Benchmark]: Toolchain (without parser) took 13801.93ms. Allocated memory was 102.8MB in the beginning and 782.2MB in the end (delta: 679.5MB). Free memory was 55.0MB in the beginning and 444.9MB in the end (delta: -389.9MB). Peak memory consumption was 339.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,223 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:32,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4426.48ms. Allocated memory was 102.8MB in the beginning and 226.5MB in the end (delta: 123.7MB). Free memory was 55.0MB in the beginning and 97.8MB in the end (delta: -42.8MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 466.54ms. Allocated memory is still 226.5MB. Free memory was 97.8MB in the beginning and 69.6MB in the end (delta: 28.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,227 INFO L158 Benchmark]: Boogie Preprocessor took 826.47ms. Allocated memory was 226.5MB in the beginning and 440.4MB in the end (delta: 213.9MB). Free memory was 69.6MB in the beginning and 276.1MB in the end (delta: -206.5MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,228 INFO L158 Benchmark]: RCFGBuilder took 8076.91ms. Allocated memory was 440.4MB in the beginning and 782.2MB in the end (delta: 341.8MB). Free memory was 276.1MB in the beginning and 444.9MB in the end (delta: -168.8MB). Peak memory consumption was 224.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:32,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 50.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4426.48ms. Allocated memory was 102.8MB in the beginning and 226.5MB in the end (delta: 123.7MB). Free memory was 55.0MB in the beginning and 97.8MB in the end (delta: -42.8MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 466.54ms. Allocated memory is still 226.5MB. Free memory was 97.8MB in the beginning and 69.6MB in the end (delta: 28.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 826.47ms. Allocated memory was 226.5MB in the beginning and 440.4MB in the end (delta: 213.9MB). Free memory was 69.6MB in the beginning and 276.1MB in the end (delta: -206.5MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * RCFGBuilder took 8076.91ms. Allocated memory was 440.4MB in the beginning and 782.2MB in the end (delta: 341.8MB). Free memory was 276.1MB in the beginning and 444.9MB in the end (delta: -168.8MB). Peak memory consumption was 224.4MB. 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 15:05:32,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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 1cb4eb95fbb86e81adddda10624c3164b4456d4761ce2ac967ea89c58c777ea3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:34,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:34,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:34,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:34,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:34,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:34,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:34,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:34,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:34,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:34,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:34,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:34,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:34,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:34,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:34,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:34,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:34,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:34,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:34,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:34,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:34,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:34,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:34,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:34,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:34,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:34,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:34,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:34,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:34,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:34,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:34,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:34,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:34,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:34,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:34,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:34,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:34,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:34,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:34,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:34,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:34,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:34,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:34,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:35,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:35,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:35,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:35,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:35,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:35,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:35,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:35,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:35,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:35,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:35,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:35,006 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:35,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:35,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:35,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:35,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:35,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:35,007 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:35,007 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:35,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:35,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:35,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:35,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:35,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:35,009 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:35,009 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:35,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:35,010 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:35,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:35,010 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb4eb95fbb86e81adddda10624c3164b4456d4761ce2ac967ea89c58c777ea3 [2021-11-23 15:05:35,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:35,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:35,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:35,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:35,416 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:35,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c [2021-11-23 15:05:35,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/6a921accf/dc53b0e0306a4a80ac80688e703ba571/FLAG4cdc4bca8 [2021-11-23 15:05:36,721 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:36,722 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c [2021-11-23 15:05:36,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/6a921accf/dc53b0e0306a4a80ac80688e703ba571/FLAG4cdc4bca8 [2021-11-23 15:05:36,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/data/6a921accf/dc53b0e0306a4a80ac80688e703ba571 [2021-11-23 15:05:36,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:36,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:36,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:36,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:36,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:36,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46097e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36, skipping insertion in model container [2021-11-23 15:05:36,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:37,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:39,670 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[380593,380606] [2021-11-23 15:05:39,704 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[383339,383352] [2021-11-23 15:05:39,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:39,965 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:41,292 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[380593,380606] [2021-11-23 15:05:41,298 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_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[383339,383352] [2021-11-23 15:05:41,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:41,390 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:41,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41 WrapperNode [2021-11-23 15:05:41,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:41,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:41,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:41,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:41,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:41,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,018 INFO L137 Inliner]: procedures = 53, calls = 53, calls flagged for inlining = 30, calls inlined = 30, statements flattened = 12709 [2021-11-23 15:05:42,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:42,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:42,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:42,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:42,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:42,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:42,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:42,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:42,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:41" (1/1) ... [2021-11-23 15:05:42,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:42,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:42,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:05:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:05:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:05:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:05:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:05:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:05:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:05:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:05:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:42,838 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:42,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:55,551 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:55,651 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 15:05:55,656 INFO L158 Benchmark]: Toolchain (without parser) took 18745.40ms. Allocated memory was 88.1MB in the beginning and 1.0GB in the end (delta: 926.9MB). Free memory was 56.0MB in the beginning and 638.9MB in the end (delta: -582.9MB). Peak memory consumption was 395.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:55,657 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:55,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4478.10ms. Allocated memory was 88.1MB in the beginning and 253.8MB in the end (delta: 165.7MB). Free memory was 55.7MB in the beginning and 119.3MB in the end (delta: -63.6MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:55,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 626.96ms. Allocated memory is still 253.8MB. Free memory was 119.3MB in the beginning and 102.1MB in the end (delta: 17.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:55,660 INFO L158 Benchmark]: Boogie Preprocessor took 562.24ms. Allocated memory was 253.8MB in the beginning and 507.5MB in the end (delta: 253.8MB). Free memory was 102.1MB in the beginning and 341.1MB in the end (delta: -239.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:55,661 INFO L158 Benchmark]: RCFGBuilder took 13071.34ms. Allocated memory was 507.5MB in the beginning and 1.0GB in the end (delta: 507.5MB). Free memory was 341.1MB in the beginning and 638.9MB in the end (delta: -297.8MB). Peak memory consumption was 261.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:55,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4478.10ms. Allocated memory was 88.1MB in the beginning and 253.8MB in the end (delta: 165.7MB). Free memory was 55.7MB in the beginning and 119.3MB in the end (delta: -63.6MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 626.96ms. Allocated memory is still 253.8MB. Free memory was 119.3MB in the beginning and 102.1MB in the end (delta: 17.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 562.24ms. Allocated memory was 253.8MB in the beginning and 507.5MB in the end (delta: 253.8MB). Free memory was 102.1MB in the beginning and 341.1MB in the end (delta: -239.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * RCFGBuilder took 13071.34ms. Allocated memory was 507.5MB in the beginning and 1.0GB in the end (delta: 507.5MB). Free memory was 341.1MB in the beginning and 638.9MB in the end (delta: -297.8MB). Peak memory consumption was 261.1MB. 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 15:05:55,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ff1d86-c86a-4945-87ff-7d7e4888b7c5/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