./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.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_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/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_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/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_0541b03f-073b-4d3d-bbf1-9546398692c6/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 6941c7d3ef4d558b74ee046fd360886b73543cf91a81ce942b4cc5fbf2c1713a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:39,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:39,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:39,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:39,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:39,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:39,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:39,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:39,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:39,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:39,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:39,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:39,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:39,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:39,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:39,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:40,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:40,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:40,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:40,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:40,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:40,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:40,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:40,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:40,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:40,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:40,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:40,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:40,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:40,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:40,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:40,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:40,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:40,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:40,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:40,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:40,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:40,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:40,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:40,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:40,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:40,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:40,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:40,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:40,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:40,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:40,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:40,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:40,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:40,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:40,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:40,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:40,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:40,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:40,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:40,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:40,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:40,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:40,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:40,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:40,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:40,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:40,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:40,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:40,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:40,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:40,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:40,071 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:40,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:40,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:40,071 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_0541b03f-073b-4d3d-bbf1-9546398692c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6941c7d3ef4d558b74ee046fd360886b73543cf91a81ce942b4cc5fbf2c1713a [2021-11-23 15:58:40,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:40,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:40,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:40,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:40,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:40,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c [2021-11-23 15:58:40,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/89718a9b6/914bd1e081934fc2ba5ea29dd270c0c1/FLAG07ed6c562 [2021-11-23 15:58:41,608 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:41,610 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c [2021-11-23 15:58:41,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/89718a9b6/914bd1e081934fc2ba5ea29dd270c0c1/FLAG07ed6c562 [2021-11-23 15:58:41,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/89718a9b6/914bd1e081934fc2ba5ea29dd270c0c1 [2021-11-23 15:58:41,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:41,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:41,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:41,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:41,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:41,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:41,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc4dc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41, skipping insertion in model container [2021-11-23 15:58:41,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:41,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:42,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:44,527 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[375709,375722] [2021-11-23 15:58:44,564 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[383339,383352] [2021-11-23 15:58:44,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:44,733 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:45,929 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[375709,375722] [2021-11-23 15:58:45,942 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[383339,383352] [2021-11-23 15:58:45,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:46,048 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:46,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46 WrapperNode [2021-11-23 15:58:46,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:46,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:46,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:46,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:46,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,562 INFO L137 Inliner]: procedures = 46, calls = 44, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 12561 [2021-11-23 15:58:46,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:46,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:46,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:46,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:46,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:47,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:47,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:47,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:47,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:47,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:47,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:47,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:47,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:47,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:47,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:58:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:58:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:58:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:58:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:58:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:58:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:58:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:58:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:58:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:58:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:58:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:58:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:47,406 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:47,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:54,832 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:54,937 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 15:58:54,943 INFO L158 Benchmark]: Toolchain (without parser) took 13072.28ms. Allocated memory was 153.1MB in the beginning and 771.8MB in the end (delta: 618.7MB). Free memory was 86.8MB in the beginning and 360.9MB in the end (delta: -274.1MB). Peak memory consumption was 527.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,945 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:54,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4177.51ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 86.4MB in the beginning and 104.9MB in the end (delta: -18.5MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 512.18ms. Allocated memory is still 226.5MB. Free memory was 104.9MB in the beginning and 79.0MB in the end (delta: 26.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,948 INFO L158 Benchmark]: Boogie Preprocessor took 500.68ms. Allocated memory was 226.5MB in the beginning and 385.9MB in the end (delta: 159.4MB). Free memory was 79.0MB in the beginning and 210.0MB in the end (delta: -131.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,950 INFO L158 Benchmark]: RCFGBuilder took 7874.20ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 210.0MB in the beginning and 360.9MB in the end (delta: -150.9MB). Peak memory consumption was 416.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4177.51ms. Allocated memory was 153.1MB in the beginning and 226.5MB in the end (delta: 73.4MB). Free memory was 86.4MB in the beginning and 104.9MB in the end (delta: -18.5MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 512.18ms. Allocated memory is still 226.5MB. Free memory was 104.9MB in the beginning and 79.0MB in the end (delta: 26.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 500.68ms. Allocated memory was 226.5MB in the beginning and 385.9MB in the end (delta: 159.4MB). Free memory was 79.0MB in the beginning and 210.0MB in the end (delta: -131.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7874.20ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 210.0MB in the beginning and 360.9MB in the end (delta: -150.9MB). Peak memory consumption was 416.4MB. 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 15:58:55,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/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_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/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_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/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_0541b03f-073b-4d3d-bbf1-9546398692c6/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 6941c7d3ef4d558b74ee046fd360886b73543cf91a81ce942b4cc5fbf2c1713a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:57,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:57,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:57,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:57,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:57,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:57,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:57,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:57,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:57,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:57,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:57,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:57,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:57,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:57,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:57,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:57,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:57,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:57,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:57,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:57,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:57,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:57,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:57,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:57,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:57,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:57,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:57,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:57,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:57,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:57,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:57,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:57,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:57,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:57,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:57,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:57,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:57,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:57,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:57,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:57,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:57,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:57,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:57,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:57,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:57,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:57,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:57,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:57,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:57,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:57,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:57,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:57,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:57,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:57,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:57,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:57,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:57,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:57,578 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:57,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:57,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:57,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:57,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:57,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:57,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:57,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:57,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:57,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:57,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:57,581 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:57,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:57,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:57,581 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:57,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:57,582 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_0541b03f-073b-4d3d-bbf1-9546398692c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6941c7d3ef4d558b74ee046fd360886b73543cf91a81ce942b4cc5fbf2c1713a [2021-11-23 15:58:57,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:58,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:58,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:58,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:58,008 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:58,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c [2021-11-23 15:58:58,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/23a87269f/022d4e58375c4fe2ba8263f9c9647125/FLAG7731c9fdc [2021-11-23 15:58:59,313 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:59,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c [2021-11-23 15:58:59,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/23a87269f/022d4e58375c4fe2ba8263f9c9647125/FLAG7731c9fdc [2021-11-23 15:58:59,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/data/23a87269f/022d4e58375c4fe2ba8263f9c9647125 [2021-11-23 15:58:59,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:59,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:59,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:59,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:59,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:59,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd5aec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59, skipping insertion in model container [2021-11-23 15:58:59,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:59,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:02,486 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[375709,375722] [2021-11-23 15:59:02,521 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[383339,383352] [2021-11-23 15:59:02,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:02,706 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:03,997 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[375709,375722] [2021-11-23 15:59:04,013 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_0541b03f-073b-4d3d-bbf1-9546398692c6/sv-benchmarks/c/combinations/Problem05_label48+token_ring.01.cil-1.c[383339,383352] [2021-11-23 15:59:04,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:04,117 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:04,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04 WrapperNode [2021-11-23 15:59:04,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:04,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:04,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:04,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,690 INFO L137 Inliner]: procedures = 47, calls = 44, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 12541 [2021-11-23 15:59:04,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:04,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:04,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:04,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:04,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:05,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:05,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:05,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:05,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:05,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:05,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:05,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:05,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:05,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:05,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:59:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:59:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:59:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:59:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:59:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:59:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:59:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:59:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:59:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:59:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:59:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:59:05,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:05,739 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:05,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:16,144 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:16,221 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:59:16,226 INFO L158 Benchmark]: Toolchain (without parser) took 16753.95ms. Allocated memory was 94.4MB in the beginning and 771.8MB in the end (delta: 677.4MB). Free memory was 62.5MB in the beginning and 436.9MB in the end (delta: -374.4MB). Peak memory consumption was 574.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,226 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:16,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4644.04ms. Allocated memory was 94.4MB in the beginning and 205.5MB in the end (delta: 111.1MB). Free memory was 62.2MB in the beginning and 90.5MB in the end (delta: -28.3MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 571.94ms. Allocated memory is still 205.5MB. Free memory was 90.5MB in the beginning and 66.8MB in the end (delta: 23.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,229 INFO L158 Benchmark]: Boogie Preprocessor took 794.52ms. Allocated memory was 205.5MB in the beginning and 385.9MB in the end (delta: 180.4MB). Free memory was 66.8MB in the beginning and 237.3MB in the end (delta: -170.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,230 INFO L158 Benchmark]: RCFGBuilder took 10737.24ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 237.3MB in the beginning and 436.9MB in the end (delta: -199.6MB). Peak memory consumption was 459.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4644.04ms. Allocated memory was 94.4MB in the beginning and 205.5MB in the end (delta: 111.1MB). Free memory was 62.2MB in the beginning and 90.5MB in the end (delta: -28.3MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 571.94ms. Allocated memory is still 205.5MB. Free memory was 90.5MB in the beginning and 66.8MB in the end (delta: 23.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 794.52ms. Allocated memory was 205.5MB in the beginning and 385.9MB in the end (delta: 180.4MB). Free memory was 66.8MB in the beginning and 237.3MB in the end (delta: -170.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10737.24ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 237.3MB in the beginning and 436.9MB in the end (delta: -199.6MB). Peak memory consumption was 459.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:16,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0541b03f-073b-4d3d-bbf1-9546398692c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable