./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/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_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/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_9e4d1a52-2e87-4727-be61-5ab5e000abec/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 7ee209640ee994f311a04b9c2d813fadfd34b19e8b71a748e88ebcbbe5883af1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:29,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:29,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:29,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:29,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:29,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:29,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:29,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:29,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:29,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:29,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:29,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:29,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:29,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:29,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:29,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:29,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:29,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:29,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:29,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:29,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:29,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:29,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:29,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:29,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:29,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:29,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:29,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:29,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:30,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:30,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:30,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:30,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:30,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:30,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:30,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:30,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:30,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:30,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:30,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:30,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:30,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:30,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:30,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:30,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:30,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:30,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:30,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:30,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:30,054 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:30,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:30,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:30,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:30,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:30,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:30,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:30,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:30,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:30,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:30,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:30,056 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:30,057 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:30,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:30,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:30,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:30,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:30,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:30,058 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:30,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:30,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:30,059 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ee209640ee994f311a04b9c2d813fadfd34b19e8b71a748e88ebcbbe5883af1 [2021-11-23 15:45:30,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:30,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:30,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:30,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:30,360 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:30,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c [2021-11-23 15:45:30,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/567e3e94b/49a84c9bf5d64c47921d7e65556ba8d1/FLAGf57b2d11b [2021-11-23 15:45:31,504 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:31,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c [2021-11-23 15:45:31,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/567e3e94b/49a84c9bf5d64c47921d7e65556ba8d1/FLAGf57b2d11b [2021-11-23 15:45:31,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/567e3e94b/49a84c9bf5d64c47921d7e65556ba8d1 [2021-11-23 15:45:31,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:31,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:31,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:31,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:31,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:31,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:31" (1/1) ... [2021-11-23 15:45:31,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70143021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:31, skipping insertion in model container [2021-11-23 15:45:31,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:31" (1/1) ... [2021-11-23 15:45:31,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:32,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:34,535 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[381679,381692] [2021-11-23 15:45:34,565 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[383339,383352] [2021-11-23 15:45:34,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:34,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:36,145 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[381679,381692] [2021-11-23 15:45:36,150 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[383339,383352] [2021-11-23 15:45:36,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:36,248 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:36,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36 WrapperNode [2021-11-23 15:45:36,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:36,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:36,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:36,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:36,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:36,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:36,740 INFO L137 Inliner]: procedures = 54, calls = 57, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 12798 [2021-11-23 15:45:36,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:36,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:36,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:36,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:36,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:36,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:36,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:36,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:37,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:37,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:37,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:37,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:37,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:37,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:37,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:37,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:36" (1/1) ... [2021-11-23 15:45:37,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:37,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:37,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:37,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:45:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:45:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:45:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:45:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:45:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:45:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:45:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:45:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:45:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:45:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:45:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:45:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:45:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:45:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:37,542 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:37,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:45,552 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:45,671 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 15:45:45,682 INFO L158 Benchmark]: Toolchain (without parser) took 13911.94ms. Allocated memory was 88.1MB in the beginning and 981.5MB in the end (delta: 893.4MB). Free memory was 43.6MB in the beginning and 665.0MB in the end (delta: -621.5MB). Peak memory consumption was 389.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:45,683 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:45,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4480.14ms. Allocated memory was 88.1MB in the beginning and 186.6MB in the end (delta: 98.6MB). Free memory was 43.3MB in the beginning and 62.5MB in the end (delta: -19.2MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-11-23 15:45:45,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 490.34ms. Allocated memory was 186.6MB in the beginning and 318.8MB in the end (delta: 132.1MB). Free memory was 61.5MB in the beginning and 156.6MB in the end (delta: -95.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:45,687 INFO L158 Benchmark]: Boogie Preprocessor took 504.94ms. Allocated memory is still 318.8MB. Free memory was 156.6MB in the beginning and 149.2MB in the end (delta: 7.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:45,688 INFO L158 Benchmark]: RCFGBuilder took 8431.09ms. Allocated memory was 318.8MB in the beginning and 981.5MB in the end (delta: 662.7MB). Free memory was 149.2MB in the beginning and 665.0MB in the end (delta: -515.8MB). Peak memory consumption was 266.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:45,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4480.14ms. Allocated memory was 88.1MB in the beginning and 186.6MB in the end (delta: 98.6MB). Free memory was 43.3MB in the beginning and 62.5MB in the end (delta: -19.2MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 490.34ms. Allocated memory was 186.6MB in the beginning and 318.8MB in the end (delta: 132.1MB). Free memory was 61.5MB in the beginning and 156.6MB in the end (delta: -95.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 504.94ms. Allocated memory is still 318.8MB. Free memory was 156.6MB in the beginning and 149.2MB in the end (delta: 7.3MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * RCFGBuilder took 8431.09ms. Allocated memory was 318.8MB in the beginning and 981.5MB in the end (delta: 662.7MB). Free memory was 149.2MB in the beginning and 665.0MB in the end (delta: -515.8MB). Peak memory consumption was 266.0MB. 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 15:45:45,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/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_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/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_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/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_9e4d1a52-2e87-4727-be61-5ab5e000abec/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 7ee209640ee994f311a04b9c2d813fadfd34b19e8b71a748e88ebcbbe5883af1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:48,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:48,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:48,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:48,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:48,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:48,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:48,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:48,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:48,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:48,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:48,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:48,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:48,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:48,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:48,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:48,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:48,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:48,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:48,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:48,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:48,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:48,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:48,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:48,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:48,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:48,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:48,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:48,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:48,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:48,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:48,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:48,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:48,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:48,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:48,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:48,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:48,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:48,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:48,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:48,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:48,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:48,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:48,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:48,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:48,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:48,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:48,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:48,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:48,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:48,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:48,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:48,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:48,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:48,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:48,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:48,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:48,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:48,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:48,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:48,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:48,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:48,302 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:48,302 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:48,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:48,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:48,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:48,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:48,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:48,303 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:48,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:48,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:48,304 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:48,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:48,305 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ee209640ee994f311a04b9c2d813fadfd34b19e8b71a748e88ebcbbe5883af1 [2021-11-23 15:45:48,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:48,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:48,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:48,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:48,763 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:48,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c [2021-11-23 15:45:48,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/9ba0378e1/a3253f2ed1d54789a79a513b21562697/FLAGcedbbb287 [2021-11-23 15:45:50,025 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:50,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c [2021-11-23 15:45:50,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/9ba0378e1/a3253f2ed1d54789a79a513b21562697/FLAGcedbbb287 [2021-11-23 15:45:50,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/data/9ba0378e1/a3253f2ed1d54789a79a513b21562697 [2021-11-23 15:45:50,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:50,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:50,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:50,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:50,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:50,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b2c145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:50, skipping insertion in model container [2021-11-23 15:45:50,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:50" (1/1) ... [2021-11-23 15:45:50,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:50,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:53,103 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[381679,381692] [2021-11-23 15:45:53,143 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[383339,383352] [2021-11-23 15:45:53,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:53,402 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:54,761 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[381679,381692] [2021-11-23 15:45:54,769 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_9e4d1a52-2e87-4727-be61-5ab5e000abec/sv-benchmarks/c/combinations/Problem05_label43+token_ring.05.cil-2.c[383339,383352] [2021-11-23 15:45:54,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:54,902 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:54,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54 WrapperNode [2021-11-23 15:45:54,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:54,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:54,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:54,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:54,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,618 INFO L137 Inliner]: procedures = 55, calls = 57, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 12769 [2021-11-23 15:45:55,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:55,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:55,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:55,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:55,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:55,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:56,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:56,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:56,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:56,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:56,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:56,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:54" (1/1) ... [2021-11-23 15:45:56,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:56,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:56,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:45:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:45:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:45:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:45:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:45:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:45:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:45:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:45:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:45:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:45:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:45:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:45:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:45:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:45:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:56,459 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:56,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:07,245 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:07,330 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 15:46:07,335 INFO L158 Benchmark]: Toolchain (without parser) took 17055.51ms. Allocated memory was 60.8MB in the beginning and 1.0GB in the end (delta: 952.1MB). Free memory was 27.5MB in the beginning and 387.2MB in the end (delta: -359.7MB). Peak memory consumption was 590.8MB. Max. memory is 16.1GB. [2021-11-23 15:46:07,336 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:07,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4623.44ms. Allocated memory was 60.8MB in the beginning and 268.4MB in the end (delta: 207.6MB). Free memory was 27.4MB in the beginning and 178.6MB in the end (delta: -151.2MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2021-11-23 15:46:07,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 715.09ms. Allocated memory is still 268.4MB. Free memory was 178.6MB in the beginning and 137.9MB in the end (delta: 40.7MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:07,338 INFO L158 Benchmark]: Boogie Preprocessor took 524.59ms. Allocated memory is still 268.4MB. Free memory was 137.9MB in the beginning and 104.5MB in the end (delta: 33.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-11-23 15:46:07,339 INFO L158 Benchmark]: RCFGBuilder took 11187.70ms. Allocated memory was 268.4MB in the beginning and 1.0GB in the end (delta: 744.5MB). Free memory was 104.5MB in the beginning and 387.2MB in the end (delta: -282.8MB). Peak memory consumption was 460.3MB. Max. memory is 16.1GB. [2021-11-23 15:46:07,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4623.44ms. Allocated memory was 60.8MB in the beginning and 268.4MB in the end (delta: 207.6MB). Free memory was 27.4MB in the beginning and 178.6MB in the end (delta: -151.2MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 715.09ms. Allocated memory is still 268.4MB. Free memory was 178.6MB in the beginning and 137.9MB in the end (delta: 40.7MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 524.59ms. Allocated memory is still 268.4MB. Free memory was 137.9MB in the beginning and 104.5MB in the end (delta: 33.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * RCFGBuilder took 11187.70ms. Allocated memory was 268.4MB in the beginning and 1.0GB in the end (delta: 744.5MB). Free memory was 104.5MB in the beginning and 387.2MB in the end (delta: -282.8MB). Peak memory consumption was 460.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:46:07,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4d1a52-2e87-4727-be61-5ab5e000abec/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