./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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 78201c5527fd684bbb5ce3426a0df19562cff65b8fe2040ac04671f6137326c6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:51,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:51,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:52,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:52,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:52,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:52,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:52,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:52,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:52,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:52,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:52,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:52,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:52,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:52,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:52,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:52,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:52,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:52,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:52,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:52,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:52,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:52,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:52,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:52,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:52,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:52,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:52,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:52,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:52,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:52,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:52,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:52,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:52,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:52,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:52,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:52,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:52,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:52,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:52,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:52,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:52,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:52,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:52,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:52,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:52,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:52,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:52,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:52,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:52,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:52,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:52,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:52,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:52,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:52,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:52,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:52,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:52,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:52,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:52,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:52,126 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:52,127 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:52,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:52,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:52,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:52,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:52,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:52,128 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:52,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:52,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:52,129 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78201c5527fd684bbb5ce3426a0df19562cff65b8fe2040ac04671f6137326c6 [2021-11-23 15:58:52,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:52,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:52,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:52,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:52,425 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:52,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c [2021-11-23 15:58:52,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/6addf11aa/77b57d985ca644a58b2cfc9fed279af7/FLAG65b53e431 [2021-11-23 15:58:53,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:53,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c [2021-11-23 15:58:53,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/6addf11aa/77b57d985ca644a58b2cfc9fed279af7/FLAG65b53e431 [2021-11-23 15:58:53,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/6addf11aa/77b57d985ca644a58b2cfc9fed279af7 [2021-11-23 15:58:53,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:53,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:53,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:53,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:53,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:53,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de21fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53, skipping insertion in model container [2021-11-23 15:58:53,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:53,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:53,672 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[913,926] [2021-11-23 15:58:53,731 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[5977,5990] [2021-11-23 15:58:53,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,898 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:53,913 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[913,926] [2021-11-23 15:58:53,931 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[5977,5990] [2021-11-23 15:58:54,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:54,045 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:54,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54 WrapperNode [2021-11-23 15:58:54,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:54,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:54,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:54,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:54,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,145 INFO L137 Inliner]: procedures = 68, calls = 78, calls flagged for inlining = 43, calls inlined = 43, statements flattened = 939 [2021-11-23 15:58:54,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:54,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:54,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:54,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:54,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:54,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:54,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:54,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:54,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:54,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:54,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:54,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:58:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:58:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:58:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:58:54,354 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:58:54,354 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:58:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:58:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:58:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:58:54,356 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:58:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:58:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:58:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:58:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:58:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:54,364 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:58:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:58:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:54,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:58:54,368 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:58:54,501 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:54,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:55,404 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:55,501 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 15:58:55,513 INFO L158 Benchmark]: Toolchain (without parser) took 2116.51ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 56.5MB in the beginning and 66.6MB in the end (delta: -10.1MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,513 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 90.2MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:55,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.35ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 75.4MB in the end (delta: -19.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.92ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 70.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,518 INFO L158 Benchmark]: Boogie Preprocessor took 67.10ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 67.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,519 INFO L158 Benchmark]: RCFGBuilder took 1294.54ms. Allocated memory is still 111.1MB. Free memory was 67.0MB in the beginning and 66.6MB in the end (delta: 360.0kB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:55,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 90.2MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.35ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 56.3MB in the beginning and 75.4MB in the end (delta: -19.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.92ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 70.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.10ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 67.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1294.54ms. Allocated memory is still 111.1MB. Free memory was 67.0MB in the beginning and 66.6MB in the end (delta: 360.0kB). Peak memory consumption was 34.9MB. 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 15:58:55,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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 78201c5527fd684bbb5ce3426a0df19562cff65b8fe2040ac04671f6137326c6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:58,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:58,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:58,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:58,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:58,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:58,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:58,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:58,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:58,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:58,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:58,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:58,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:58,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:58,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:58,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:58,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:58,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:58,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:58,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:58,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:58,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:58,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:58,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:58,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:58,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:58,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:58,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:58,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:58,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:58,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:58,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:58,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:58,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:58,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:58,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:58,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:58,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:58,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:58,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:58,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:58,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:58,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:58,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:58,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:58,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:58,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:58,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:58,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:58,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:58,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:58,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:58,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:58,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:58,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:58,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:58,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:58,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:58,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:58,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:58,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:58,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:58,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:58,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:58,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:58,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:58,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:58,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:58,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:58,312 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:58,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:58,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:58,313 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:58,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:58,313 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78201c5527fd684bbb5ce3426a0df19562cff65b8fe2040ac04671f6137326c6 [2021-11-23 15:58:58,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:58,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:58,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:58,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:58,744 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:58,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c [2021-11-23 15:58:58,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/5e33a4a0b/e4b750203ba34d39b7beda7c544446fd/FLAGe6b468ff1 [2021-11-23 15:58:59,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:59,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c [2021-11-23 15:58:59,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/5e33a4a0b/e4b750203ba34d39b7beda7c544446fd/FLAGe6b468ff1 [2021-11-23 15:58:59,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/data/5e33a4a0b/e4b750203ba34d39b7beda7c544446fd [2021-11-23 15:58:59,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:59,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:59,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:59,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:59,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:59,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78956f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:59, skipping insertion in model container [2021-11-23 15:58:59,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:59" (1/1) ... [2021-11-23 15:58:59,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:59,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:59,966 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[913,926] [2021-11-23 15:59:00,016 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[5977,5990] [2021-11-23 15:59:00,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:00,175 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:00,187 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[913,926] [2021-11-23 15:59:00,203 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_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.10.cil-2.c[5977,5990] [2021-11-23 15:59:00,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:00,288 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:00,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00 WrapperNode [2021-11-23 15:59:00,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:00,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:00,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:00,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:00,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,397 INFO L137 Inliner]: procedures = 69, calls = 78, calls flagged for inlining = 43, calls inlined = 43, statements flattened = 902 [2021-11-23 15:59:00,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:00,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:00,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:00,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:00,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:00,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:00,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:00,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:00,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:00,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:59:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:59:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:59:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:59:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:59:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:59:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:59:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:59:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:59:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:59:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:59:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:59:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:59:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:59:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:59:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:59:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:59:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:59:00,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:00,858 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:01,928 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:01,977 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 15:59:01,981 INFO L158 Benchmark]: Toolchain (without parser) took 2264.64ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 60.6MB in the end (delta: -10.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,982 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:01,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.07ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 43.6MB in the end (delta: 6.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.87ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 39.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,984 INFO L158 Benchmark]: Boogie Preprocessor took 113.57ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 35.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,985 INFO L158 Benchmark]: RCFGBuilder took 1461.23ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 60.6MB in the end (delta: -25.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.07ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 43.6MB in the end (delta: 6.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.87ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 39.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.57ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 35.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1461.23ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 60.6MB in the end (delta: -25.3MB). Peak memory consumption was 16.2MB. 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 15:59:02,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bee9bcd-2548-43e6-ab42-89f8e62b6e19/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