./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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 f3afbfdd07db0f20c72e9ddbb9df55e00686c374f25f62c43f14136ff2ce41ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:43,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:43,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:43,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:43,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:43,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:43,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:43,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:43,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:43,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:43,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:44,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:44,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:44,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:44,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:44,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:44,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:44,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:44,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:44,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:44,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:44,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:44,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:44,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:44,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:44,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:44,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:44,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:44,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:44,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:44,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:44,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:44,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:44,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:44,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:44,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:44,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:44,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:44,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:44,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:44,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:44,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:44,100 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:44,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:44,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:44,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:44,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:44,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:44,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:44,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:44,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:44,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:44,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:44,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:44,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:44,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:44,116 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:44,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:44,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:44,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:44,117 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:44,117 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:44,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:44,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:44,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:44,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:44,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:44,118 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:44,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:44,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:44,118 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3afbfdd07db0f20c72e9ddbb9df55e00686c374f25f62c43f14136ff2ce41ec [2021-11-23 15:55:44,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:44,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:44,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:44,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:44,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:44,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2021-11-23 15:55:44,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/86e3d2937/9e7f2abdcd904fa1acd3d00d8c014961/FLAGf5a1470c3 [2021-11-23 15:55:45,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:45,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2021-11-23 15:55:45,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/86e3d2937/9e7f2abdcd904fa1acd3d00d8c014961/FLAGf5a1470c3 [2021-11-23 15:55:45,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/86e3d2937/9e7f2abdcd904fa1acd3d00d8c014961 [2021-11-23 15:55:45,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:45,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:45,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:45,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:45,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:45,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:45" (1/1) ... [2021-11-23 15:55:45,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d3ad7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:45, skipping insertion in model container [2021-11-23 15:55:45,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:45" (1/1) ... [2021-11-23 15:55:45,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:45,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:45,726 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[913,926] [2021-11-23 15:55:45,777 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[5994,6007] [2021-11-23 15:55:45,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:45,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:45,943 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[913,926] [2021-11-23 15:55:45,965 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[5994,6007] [2021-11-23 15:55:46,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:46,111 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:46,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46 WrapperNode [2021-11-23 15:55:46,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:46,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:46,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:46,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:46,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,219 INFO L137 Inliner]: procedures = 64, calls = 73, calls flagged for inlining = 39, calls inlined = 39, statements flattened = 824 [2021-11-23 15:55:46,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:46,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:46,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:46,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:46,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:46,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:46,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:46,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:46,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:46,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:46,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:46,418 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:55:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:55:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:55:46,419 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:55:46,419 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:55:46,420 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:55:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:55:46,420 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:55:46,420 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:55:46,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:55:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:55:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:55:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:55:46,421 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:55:46,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:55:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:55:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:46,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:46,422 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:55:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:55:46,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:46,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:47,450 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:47,507 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 15:55:47,519 INFO L158 Benchmark]: Toolchain (without parser) took 2088.14ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 46.6MB in the beginning and 79.9MB in the end (delta: -33.3MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,520 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:47,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.34ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 46.4MB in the beginning and 76.5MB in the end (delta: -30.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.63ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 72.3MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,523 INFO L158 Benchmark]: Boogie Preprocessor took 93.84ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 69.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,524 INFO L158 Benchmark]: RCFGBuilder took 1196.23ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 79.9MB in the end (delta: -10.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,527 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 86.0MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.34ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 46.4MB in the beginning and 76.5MB in the end (delta: -30.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.63ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 72.3MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.84ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 69.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.23ms. Allocated memory is still 111.1MB. Free memory was 69.0MB in the beginning and 79.9MB in the end (delta: -10.9MB). Peak memory consumption was 42.9MB. 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 15:55:47,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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 f3afbfdd07db0f20c72e9ddbb9df55e00686c374f25f62c43f14136ff2ce41ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:50,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:50,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:50,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:50,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:50,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:50,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:50,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:50,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:50,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:50,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:50,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:50,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:50,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:50,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:50,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:50,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:50,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:50,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:50,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:50,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:50,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:50,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:50,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:50,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:50,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:50,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:50,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:50,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:50,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:50,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:50,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:50,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:50,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:50,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:50,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:50,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:50,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:50,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:50,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:50,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:50,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:50,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:50,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:50,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:50,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:50,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:50,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:50,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:50,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:50,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:50,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:50,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:50,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:50,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:50,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:50,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:50,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:50,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:50,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:50,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:50,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:50,471 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:50,471 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:50,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:50,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:50,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:50,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:50,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:50,473 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:50,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:50,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:50,473 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:50,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:50,474 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3afbfdd07db0f20c72e9ddbb9df55e00686c374f25f62c43f14136ff2ce41ec [2021-11-23 15:55:50,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:50,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:50,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:50,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:50,993 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:50,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2021-11-23 15:55:51,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/31b5b2442/045b297f2fe147ca9cc096beab776cbc/FLAGa6ee40e7c [2021-11-23 15:55:51,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:51,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c [2021-11-23 15:55:51,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/31b5b2442/045b297f2fe147ca9cc096beab776cbc/FLAGa6ee40e7c [2021-11-23 15:55:52,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/data/31b5b2442/045b297f2fe147ca9cc096beab776cbc [2021-11-23 15:55:52,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:52,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:52,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:52,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:52,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:52,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e264ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52, skipping insertion in model container [2021-11-23 15:55:52,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:52,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:52,369 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[913,926] [2021-11-23 15:55:52,482 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[5994,6007] [2021-11-23 15:55:52,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:52,586 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:52,602 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[913,926] [2021-11-23 15:55:52,626 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_c8fcfbf7-21a1-46b3-8993-d58c663605a1/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.08.cil-1.c[5994,6007] [2021-11-23 15:55:52,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:52,754 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:52,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52 WrapperNode [2021-11-23 15:55:52,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:52,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:52,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:52,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:52,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,857 INFO L137 Inliner]: procedures = 65, calls = 73, calls flagged for inlining = 39, calls inlined = 39, statements flattened = 791 [2021-11-23 15:55:52,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:52,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:52,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:52,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:52,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:52,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:52,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:52,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:52,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:52" (1/1) ... [2021-11-23 15:55:52,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:52,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:52,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:53,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:55:53,033 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:55:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:55:53,034 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:55:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:55:53,035 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:55:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:55:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:55:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:55:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:55:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:55:53,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:55:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:55:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:55:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:55:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:55:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:53,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:55:53,038 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:55:53,212 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:53,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:54,105 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:54,149 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 15:55:54,154 INFO L158 Benchmark]: Toolchain (without parser) took 2070.99ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.1MB in the beginning and 52.7MB in the end (delta: -11.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:54,155 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 62.9MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:54,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.60ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 34.2MB in the end (delta: 6.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:54,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.66ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 30.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:54,157 INFO L158 Benchmark]: Boogie Preprocessor took 76.88ms. Allocated memory is still 62.9MB. Free memory was 30.3MB in the beginning and 42.9MB in the end (delta: -12.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:54,158 INFO L158 Benchmark]: RCFGBuilder took 1216.20ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.9MB in the beginning and 52.7MB in the end (delta: -9.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:54,161 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 62.9MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.60ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 34.2MB in the end (delta: 6.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.66ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 30.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.88ms. Allocated memory is still 62.9MB. Free memory was 30.3MB in the beginning and 42.9MB in the end (delta: -12.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1216.20ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.9MB in the beginning and 52.7MB in the end (delta: -9.8MB). Peak memory consumption was 26.5MB. 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 15:55:54,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8fcfbf7-21a1-46b3-8993-d58c663605a1/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