./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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 444eed879069ad0028c502f3fa0cb2d9987df1e55b51235727d02dd4e116f646 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:34,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:34,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:34,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:34,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:34,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:34,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:34,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:34,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:34,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:34,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:35,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:35,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:35,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:35,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:35,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:35,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:35,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:35,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:35,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:35,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:35,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:35,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:35,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:35,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:35,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:35,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:35,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:35,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:35,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:35,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:35,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:35,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:35,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:35,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:35,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:35,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:35,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:35,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:35,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:35,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:35,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:44:35,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:35,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:35,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:35,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:35,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:35,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:35,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:35,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:35,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:44:35,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:35,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:35,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:35,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:35,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:35,075 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:35,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:35,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:35,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:35,076 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:35,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:35,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:35,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:35,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:35,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:35,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:35,077 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:44:35,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:44:35,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:35,078 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444eed879069ad0028c502f3fa0cb2d9987df1e55b51235727d02dd4e116f646 [2021-11-23 15:44:35,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:35,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:35,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:35,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:35,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:35,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c [2021-11-23 15:44:35,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/87104c146/7a35a18c128d45b2ae236887088555a1/FLAG3388d92aa [2021-11-23 15:44:36,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:36,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c [2021-11-23 15:44:36,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/87104c146/7a35a18c128d45b2ae236887088555a1/FLAG3388d92aa [2021-11-23 15:44:36,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/87104c146/7a35a18c128d45b2ae236887088555a1 [2021-11-23 15:44:36,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:36,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:36,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:36,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:36,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:36,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:36" (1/1) ... [2021-11-23 15:44:36,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f006e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:36, skipping insertion in model container [2021-11-23 15:44:36,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:36" (1/1) ... [2021-11-23 15:44:36,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:36,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:36,574 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[913,926] [2021-11-23 15:44:36,652 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[5994,6007] [2021-11-23 15:44:36,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:36,876 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:36,897 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[913,926] [2021-11-23 15:44:36,919 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[5994,6007] [2021-11-23 15:44:36,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:37,011 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:37,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37 WrapperNode [2021-11-23 15:44:37,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:37,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:37,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:37,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:37,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,119 INFO L137 Inliner]: procedures = 72, calls = 85, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1056 [2021-11-23 15:44:37,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:37,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:44:37,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:44:37,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:44:37,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:44:37,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:44:37,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:44:37,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:44:37,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:37" (1/1) ... [2021-11-23 15:44:37,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:37,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:44:37,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:44:37,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:44:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:44:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:44:37,343 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:44:37,343 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:44:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:44:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:44:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:44:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:44:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:44:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:44:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:44:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:44:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:44:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:44:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:44:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:44:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:44:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:44:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:44:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:44:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:44:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:44:37,495 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:44:37,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:38,483 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:38,533 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 15:44:38,537 INFO L158 Benchmark]: Toolchain (without parser) took 2319.14ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 83.6MB in the end (delta: -37.5MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2021-11-23 15:44:38,538 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:38,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.24ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 45.9MB in the beginning and 80.4MB in the end (delta: -34.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-23 15:44:38,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.62ms. Allocated memory is still 123.7MB. Free memory was 80.4MB in the beginning and 75.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:38,541 INFO L158 Benchmark]: Boogie Preprocessor took 112.45ms. Allocated memory is still 123.7MB. Free memory was 75.3MB in the beginning and 71.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:38,542 INFO L158 Benchmark]: RCFGBuilder took 1293.43ms. Allocated memory is still 123.7MB. Free memory was 71.0MB in the beginning and 83.6MB in the end (delta: -12.6MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-11-23 15:44:38,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.24ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 45.9MB in the beginning and 80.4MB in the end (delta: -34.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.62ms. Allocated memory is still 123.7MB. Free memory was 80.4MB in the beginning and 75.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.45ms. Allocated memory is still 123.7MB. Free memory was 75.3MB in the beginning and 71.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1293.43ms. Allocated memory is still 123.7MB. Free memory was 71.0MB in the beginning and 83.6MB in the end (delta: -12.6MB). Peak memory consumption was 46.5MB. 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 15:44:38,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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 444eed879069ad0028c502f3fa0cb2d9987df1e55b51235727d02dd4e116f646 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:40,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:40,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:41,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:41,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:41,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:41,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:41,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:41,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:41,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:41,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:41,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:41,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:41,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:41,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:41,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:41,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:41,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:41,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:41,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:41,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:41,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:41,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:41,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:41,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:41,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:41,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:41,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:41,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:41,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:41,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:41,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:41,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:41,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:41,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:41,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:41,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:41,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:41,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:41,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:41,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:41,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:44:41,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:41,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:41,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:41,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:41,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:41,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:41,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:41,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:41,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:41,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:41,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:41,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:41,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:41,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:44:41,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:44:41,176 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:44:41,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:41,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:41,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:41,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:41,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:41,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:41,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:41,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:41,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:41,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:41,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:41,178 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:44:41,178 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:44:41,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:41,179 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:44:41,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:44:41,179 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444eed879069ad0028c502f3fa0cb2d9987df1e55b51235727d02dd4e116f646 [2021-11-23 15:44:41,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:41,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:41,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:41,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:41,614 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:41,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c [2021-11-23 15:44:41,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/c69157dc2/f232c2df27354854844a5441f96fee0c/FLAGd6bd80950 [2021-11-23 15:44:42,281 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:42,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c [2021-11-23 15:44:42,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/c69157dc2/f232c2df27354854844a5441f96fee0c/FLAGd6bd80950 [2021-11-23 15:44:42,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/data/c69157dc2/f232c2df27354854844a5441f96fee0c [2021-11-23 15:44:42,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:42,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:42,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:42,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:42,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:42,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:42" (1/1) ... [2021-11-23 15:44:42,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7e065b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42, skipping insertion in model container [2021-11-23 15:44:42,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:42" (1/1) ... [2021-11-23 15:44:42,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:42,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:42,818 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[913,926] [2021-11-23 15:44:42,864 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[5994,6007] [2021-11-23 15:44:43,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:43,047 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:43,060 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[913,926] [2021-11-23 15:44:43,073 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_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.12.cil-2.c[5994,6007] [2021-11-23 15:44:43,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:43,155 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:43,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43 WrapperNode [2021-11-23 15:44:43,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:43,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:43,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:43,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:43,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,286 INFO L137 Inliner]: procedures = 73, calls = 85, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1015 [2021-11-23 15:44:43,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:43,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:44:43,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:44:43,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:44:43,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:44:43,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:44:43,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:44:43,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:44:43,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:43" (1/1) ... [2021-11-23 15:44:43,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:43,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:44:43,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:44:43,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:44:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:44:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:44:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:44:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:44:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:44:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:44:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:44:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:44:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:44:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:44:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:44:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:44:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:44:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:44:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:44:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:44:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:44:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:44:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:44:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:44:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:44:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:44:43,725 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:44:43,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:44,826 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:44,878 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 15:44:44,882 INFO L158 Benchmark]: Toolchain (without parser) took 2310.77ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 41.9MB in the beginning and 56.6MB in the end (delta: -14.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-23 15:44:44,882 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:44,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.43ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 36.5MB in the end (delta: 5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:44:44,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.14ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 31.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:44:44,885 INFO L158 Benchmark]: Boogie Preprocessor took 155.31ms. Allocated memory is still 67.1MB. Free memory was 31.7MB in the beginning and 44.2MB in the end (delta: -12.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-23 15:44:44,886 INFO L158 Benchmark]: RCFGBuilder took 1426.89ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 44.2MB in the beginning and 56.6MB in the end (delta: -12.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-11-23 15:44:44,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.43ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 36.5MB in the end (delta: 5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.14ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 31.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.31ms. Allocated memory is still 67.1MB. Free memory was 31.7MB in the beginning and 44.2MB in the end (delta: -12.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1426.89ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 44.2MB in the beginning and 56.6MB in the end (delta: -12.4MB). Peak memory consumption was 29.7MB. 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 15:44:44,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61cf55ec-a3ff-4e17-a9fd-2b5df6a46d2a/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