./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.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_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/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_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/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_0ae86c97-cd8a-44de-b2bc-51e778617d12/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 b59248e26671131ba5a1485c53f1a9d7532ad734408c4cd915dfefae46656687 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:41,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:41,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:41,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:41,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:41,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:41,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:41,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:41,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:41,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:41,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:41,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:41,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:41,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:41,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:41,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:41,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:41,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:41,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:41,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:41,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:41,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:41,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:41,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:41,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:41,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:41,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:41,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:41,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:41,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:41,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:41,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:41,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:41,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:41,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:41,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:41,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:41,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:41,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:41,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:41,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:41,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:41,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:41,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:41,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:41,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:41,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:41,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:41,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:41,684 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:41,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:41,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:41,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:41,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:41,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:41,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:41,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:41,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:41,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:41,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:41,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:41,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:41,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:41,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:41,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:41,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:41,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:41,696 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:41,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:41,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:41,697 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b59248e26671131ba5a1485c53f1a9d7532ad734408c4cd915dfefae46656687 [2021-11-23 15:02:41,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:42,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:42,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:42,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:42,015 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:42,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c [2021-11-23 15:02:42,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/84473dff1/b208eeb0cce24504bec65fc40f3574fb/FLAGb54542a54 [2021-11-23 15:02:43,067 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:43,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c [2021-11-23 15:02:43,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/84473dff1/b208eeb0cce24504bec65fc40f3574fb/FLAGb54542a54 [2021-11-23 15:02:43,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/84473dff1/b208eeb0cce24504bec65fc40f3574fb [2021-11-23 15:02:43,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:43,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:43,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:43,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:43,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:43,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:43" (1/1) ... [2021-11-23 15:02:43,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28034fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:43, skipping insertion in model container [2021-11-23 15:02:43,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:43" (1/1) ... [2021-11-23 15:02:43,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:43,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:46,315 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[381679,381692] [2021-11-23 15:02:46,349 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[383339,383352] [2021-11-23 15:02:46,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:46,508 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:47,769 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[381679,381692] [2021-11-23 15:02:47,773 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[383339,383352] [2021-11-23 15:02:47,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:47,909 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:47,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47 WrapperNode [2021-11-23 15:02:47,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:47,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:47,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:47,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:47,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:48,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:48,538 INFO L137 Inliner]: procedures = 46, calls = 45, calls flagged for inlining = 23, calls inlined = 23, statements flattened = 12566 [2021-11-23 15:02:48,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:48,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:48,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:48,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:48,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:48,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:48,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:48,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:49,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:49,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:49,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:49,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:49,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:49,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:49,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:49,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:47" (1/1) ... [2021-11-23 15:02:49,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:49,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:49,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:49,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:02:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:02:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:02:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:02:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:02:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:02:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:02:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:02:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:02:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:02:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:02:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:02:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:02:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:02:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:49,630 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:49,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:57,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:57,155 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 15:02:57,161 INFO L158 Benchmark]: Toolchain (without parser) took 13594.76ms. Allocated memory was 98.6MB in the beginning and 721.4MB in the end (delta: 622.9MB). Free memory was 45.7MB in the beginning and 425.7MB in the end (delta: -380.0MB). Peak memory consumption was 407.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,163 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:57,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4345.31ms. Allocated memory was 98.6MB in the beginning and 205.5MB in the end (delta: 107.0MB). Free memory was 45.5MB in the beginning and 110.6MB in the end (delta: -65.1MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 627.36ms. Allocated memory was 205.5MB in the beginning and 360.7MB in the end (delta: 155.2MB). Free memory was 110.6MB in the beginning and 223.7MB in the end (delta: -113.1MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,167 INFO L158 Benchmark]: Boogie Preprocessor took 762.81ms. Allocated memory is still 360.7MB. Free memory was 223.7MB in the beginning and 214.3MB in the end (delta: 9.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,169 INFO L158 Benchmark]: RCFGBuilder took 7854.53ms. Allocated memory was 360.7MB in the beginning and 721.4MB in the end (delta: 360.7MB). Free memory was 214.3MB in the beginning and 425.7MB in the end (delta: -211.3MB). Peak memory consumption was 313.9MB. Max. memory is 16.1GB. [2021-11-23 15:02:57,179 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 98.6MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4345.31ms. Allocated memory was 98.6MB in the beginning and 205.5MB in the end (delta: 107.0MB). Free memory was 45.5MB in the beginning and 110.6MB in the end (delta: -65.1MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 627.36ms. Allocated memory was 205.5MB in the beginning and 360.7MB in the end (delta: 155.2MB). Free memory was 110.6MB in the beginning and 223.7MB in the end (delta: -113.1MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 762.81ms. Allocated memory is still 360.7MB. Free memory was 223.7MB in the beginning and 214.3MB in the end (delta: 9.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7854.53ms. Allocated memory was 360.7MB in the beginning and 721.4MB in the end (delta: 360.7MB). Free memory was 214.3MB in the beginning and 425.7MB in the end (delta: -211.3MB). Peak memory consumption was 313.9MB. 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 15:02:57,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/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_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/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_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/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_0ae86c97-cd8a-44de-b2bc-51e778617d12/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 b59248e26671131ba5a1485c53f1a9d7532ad734408c4cd915dfefae46656687 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:59,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:59,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:59,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:59,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:59,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:59,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:59,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:59,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:59,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:59,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:59,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:59,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:59,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:59,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:59,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:59,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:59,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:59,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:59,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:59,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:59,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:59,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:59,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:59,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:59,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:59,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:59,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:59,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:59,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:59,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:59,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:59,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:59,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:59,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:59,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:59,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:59,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:59,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:59,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:59,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:59,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:59,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:59,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:59,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:59,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:59,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:59,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:59,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:59,981 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:59,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:59,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:59,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:59,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:59,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:59,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:59,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:59,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:59,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:59,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:59,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:59,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:59,985 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:59,985 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:59,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:59,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:59,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:59,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:59,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:59,987 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:59,987 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:59,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:59,988 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:59,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:59,988 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b59248e26671131ba5a1485c53f1a9d7532ad734408c4cd915dfefae46656687 [2021-11-23 15:03:00,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:00,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:00,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:00,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:00,401 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:00,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c [2021-11-23 15:03:00,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/d6b2307a4/02bf9412848d48e8a988b662d8a641d4/FLAG1f1bd92dd [2021-11-23 15:03:01,654 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:01,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c [2021-11-23 15:03:01,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/d6b2307a4/02bf9412848d48e8a988b662d8a641d4/FLAG1f1bd92dd [2021-11-23 15:03:01,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/data/d6b2307a4/02bf9412848d48e8a988b662d8a641d4 [2021-11-23 15:03:01,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:01,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:01,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:01,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:01,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:01,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:01" (1/1) ... [2021-11-23 15:03:01,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa43802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:01, skipping insertion in model container [2021-11-23 15:03:01,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:01" (1/1) ... [2021-11-23 15:03:01,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:02,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:04,357 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[381679,381692] [2021-11-23 15:03:04,388 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[383339,383352] [2021-11-23 15:03:04,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:04,598 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:05,974 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[381679,381692] [2021-11-23 15:03:05,983 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_0ae86c97-cd8a-44de-b2bc-51e778617d12/sv-benchmarks/c/combinations/Problem05_label43+token_ring.01.cil-2.c[383339,383352] [2021-11-23 15:03:06,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:06,110 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:06,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06 WrapperNode [2021-11-23 15:03:06,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:06,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:06,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:06,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:06,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:06,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:06,636 INFO L137 Inliner]: procedures = 47, calls = 45, calls flagged for inlining = 23, calls inlined = 23, statements flattened = 12545 [2021-11-23 15:03:06,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:06,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:06,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:06,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:06,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:06,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:06,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:06,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:07,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:07,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:07,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:07,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:07,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:07,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:07,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:07,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:06" (1/1) ... [2021-11-23 15:03:07,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:07,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:07,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:07,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:03:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:03:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:03:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:03:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:03:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:03:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:03:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:03:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:03:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:03:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:03:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:03:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:03:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:03:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:07,760 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:07,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:18,253 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:18,454 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 15:03:18,462 INFO L158 Benchmark]: Toolchain (without parser) took 16578.09ms. Allocated memory was 79.7MB in the beginning and 891.3MB in the end (delta: 811.6MB). Free memory was 47.0MB in the beginning and 713.4MB in the end (delta: -666.4MB). Peak memory consumption was 666.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:18,464 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:18,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4242.31ms. Allocated memory was 79.7MB in the beginning and 228.6MB in the end (delta: 148.9MB). Free memory was 47.0MB in the beginning and 116.5MB in the end (delta: -69.5MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:18,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 508.68ms. Allocated memory is still 228.6MB. Free memory was 116.5MB in the beginning and 76.9MB in the end (delta: 39.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:18,467 INFO L158 Benchmark]: Boogie Preprocessor took 751.07ms. Allocated memory was 228.6MB in the beginning and 457.2MB in the end (delta: 228.6MB). Free memory was 76.9MB in the beginning and 297.1MB in the end (delta: -220.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:18,469 INFO L158 Benchmark]: RCFGBuilder took 11068.66ms. Allocated memory was 457.2MB in the beginning and 891.3MB in the end (delta: 434.1MB). Free memory was 296.0MB in the beginning and 713.4MB in the end (delta: -417.3MB). Peak memory consumption was 539.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:18,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4242.31ms. Allocated memory was 79.7MB in the beginning and 228.6MB in the end (delta: 148.9MB). Free memory was 47.0MB in the beginning and 116.5MB in the end (delta: -69.5MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 508.68ms. Allocated memory is still 228.6MB. Free memory was 116.5MB in the beginning and 76.9MB in the end (delta: 39.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 751.07ms. Allocated memory was 228.6MB in the beginning and 457.2MB in the end (delta: 228.6MB). Free memory was 76.9MB in the beginning and 297.1MB in the end (delta: -220.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11068.66ms. Allocated memory was 457.2MB in the beginning and 891.3MB in the end (delta: 434.1MB). Free memory was 296.0MB in the beginning and 713.4MB in the end (delta: -417.3MB). Peak memory consumption was 539.9MB. 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 15:03:18,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ae86c97-cd8a-44de-b2bc-51e778617d12/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