./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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 0c76345a7418e3e3e542d36688efe541ee3690f4974296017bb3a3a18fafce6e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:54,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:54,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:54,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:54,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:54,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:54,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:54,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:54,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:54,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:54,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:54,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:54,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:54,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:54,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:54,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:54,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:54,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:54,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:54,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:54,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:54,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:54,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:54,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:54,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:54,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:54,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:54,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:54,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:54,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:54,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:54,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:54,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:54,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:54,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:54,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:54,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:54,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:54,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:54,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:54,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:54,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:31:54,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:54,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:54,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:54,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:54,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:54,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:54,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:54,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:54,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:54,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:54,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:54,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:54,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:54,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:54,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:54,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:54,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:54,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:54,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:54,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:54,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:54,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:54,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:54,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:54,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:54,688 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:54,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:54,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:54,688 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c76345a7418e3e3e542d36688efe541ee3690f4974296017bb3a3a18fafce6e [2021-11-23 15:31:55,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:55,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:55,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:55,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:55,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:55,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c [2021-11-23 15:31:55,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/98f500f51/23328a89b2a64359830ee95c7ac8a635/FLAG7f3d4e0ba [2021-11-23 15:31:56,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:56,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c [2021-11-23 15:31:56,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/98f500f51/23328a89b2a64359830ee95c7ac8a635/FLAG7f3d4e0ba [2021-11-23 15:31:56,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/98f500f51/23328a89b2a64359830ee95c7ac8a635 [2021-11-23 15:31:56,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:56,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:56,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:56,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:56,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:56,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:56" (1/1) ... [2021-11-23 15:31:56,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd75e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:56, skipping insertion in model container [2021-11-23 15:31:56,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:56" (1/1) ... [2021-11-23 15:31:56,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:56,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:56,686 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[913,926] [2021-11-23 15:31:56,751 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[5977,5990] [2021-11-23 15:31:56,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:56,934 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:56,950 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[913,926] [2021-11-23 15:31:56,971 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[5977,5990] [2021-11-23 15:31:57,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:57,132 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:57,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57 WrapperNode [2021-11-23 15:31:57,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:57,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:57,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:57,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:57,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,292 INFO L137 Inliner]: procedures = 74, calls = 88, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1118 [2021-11-23 15:31:57,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:57,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:57,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:57,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:57,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:57,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:57,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:57,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:57,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:57,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:57,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:57,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:31:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:31:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:31:57,570 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:31:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:31:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:31:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:31:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:31:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:31:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:31:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:31:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:31:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:31:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:31:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:31:57,573 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:31:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:31:57,574 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:31:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:31:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:31:57,841 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:57,852 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:59,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:59,132 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 15:31:59,138 INFO L158 Benchmark]: Toolchain (without parser) took 2821.12ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 52.9MB in the beginning and 87.3MB in the end (delta: -34.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,138 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:59,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.80ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 52.9MB in the end (delta: -158.4kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.58ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 47.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,141 INFO L158 Benchmark]: Boogie Preprocessor took 155.04ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 43.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,143 INFO L158 Benchmark]: RCFGBuilder took 1685.19ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 43.1MB in the beginning and 87.3MB in the end (delta: -44.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.80ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 52.9MB in the end (delta: -158.4kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.58ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 47.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.04ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 43.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1685.19ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 43.1MB in the beginning and 87.3MB in the end (delta: -44.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:59,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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 0c76345a7418e3e3e542d36688efe541ee3690f4974296017bb3a3a18fafce6e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:02,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:02,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:02,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:02,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:02,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:02,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:02,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:02,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:02,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:02,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:02,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:02,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:02,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:02,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:02,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:02,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:02,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:02,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:02,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:02,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:02,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:02,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:02,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:02,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:02,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:02,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:02,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:02,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:02,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:02,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:02,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:02,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:02,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:02,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:02,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:02,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:02,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:02,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:02,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:02,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:02,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:02,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:02,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:02,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:02,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:02,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:02,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:02,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:02,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:02,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:02,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:02,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:02,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:02,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:02,441 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:02,441 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:02,442 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:02,442 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:02,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:02,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:02,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:02,443 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:02,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:02,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:02,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:02,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:02,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:02,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:02,446 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:02,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:02,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:02,446 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:02,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:02,447 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c76345a7418e3e3e542d36688efe541ee3690f4974296017bb3a3a18fafce6e [2021-11-23 15:32:03,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:03,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:03,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:03,069 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:03,070 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:03,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c [2021-11-23 15:32:03,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/640c726af/366acfe875fe43bebdd2ae4d5126de5f/FLAG459698ea6 [2021-11-23 15:32:03,970 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:03,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c [2021-11-23 15:32:04,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/640c726af/366acfe875fe43bebdd2ae4d5126de5f/FLAG459698ea6 [2021-11-23 15:32:04,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/data/640c726af/366acfe875fe43bebdd2ae4d5126de5f [2021-11-23 15:32:04,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:04,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:04,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:04,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:04,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:04,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:04" (1/1) ... [2021-11-23 15:32:04,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cb3aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:04, skipping insertion in model container [2021-11-23 15:32:04,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:04" (1/1) ... [2021-11-23 15:32:04,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:04,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:04,479 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[913,926] [2021-11-23 15:32:04,640 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[5977,5990] [2021-11-23 15:32:04,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:04,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:04,941 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[913,926] [2021-11-23 15:32:04,959 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_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.13.cil-1.c[5977,5990] [2021-11-23 15:32:05,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:05,083 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:05,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05 WrapperNode [2021-11-23 15:32:05,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:05,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:05,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:05,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:05,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,284 INFO L137 Inliner]: procedures = 75, calls = 88, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1074 [2021-11-23 15:32:05,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:05,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:05,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:05,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:05,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:05,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:05,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:05,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:05,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:05" (1/1) ... [2021-11-23 15:32:05,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:05,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:05,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:05,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:32:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:32:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:32:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:32:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:32:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:32:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:32:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:32:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:32:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:32:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:32:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:32:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:32:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:32:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:32:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:32:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:32:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:32:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:32:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:32:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:32:05,811 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:05,814 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:07,383 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:07,463 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 15:32:07,469 INFO L158 Benchmark]: Toolchain (without parser) took 3335.54ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.1MB in the beginning and 49.4MB in the end (delta: -6.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-11-23 15:32:07,470 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 48.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:07,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.51ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 32.9MB in the end (delta: 9.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:07,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.27ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 59.8MB in the end (delta: -27.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:07,473 INFO L158 Benchmark]: Boogie Preprocessor took 160.13ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 54.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:07,474 INFO L158 Benchmark]: RCFGBuilder took 2018.87ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 49.4MB in the end (delta: 5.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-23 15:32:07,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 48.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 949.51ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 32.9MB in the end (delta: 9.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.27ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 59.8MB in the end (delta: -27.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.13ms. Allocated memory is still 79.7MB. Free memory was 59.8MB in the beginning and 54.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2018.87ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 49.4MB in the end (delta: 5.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:32:07,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0bf969c-dcf9-4fda-8333-0eea8a5d4512/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable