./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/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_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/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_965747d9-27ff-48f7-8996-abdf2879730e/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 aa38d95315e187ea5fe9b62230d938985648af7e7d892502233db02121b7b545 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:54,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:54,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:54,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:54,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:54,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:54,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:54,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:54,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:54,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:54,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:54,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:54,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:54,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:54,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:54,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:54,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:54,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:54,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:54,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:54,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:54,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:54,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:54,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:54,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:54,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:54,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:54,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:54,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:54,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:54,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:54,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:54,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:54,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:54,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:54,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:54,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:54,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:54,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:54,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:54,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:54,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:54,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:54,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:54,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:54,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:54,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:54,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:54,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:54,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:54,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:54,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:54,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:54,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:54,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:54,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:54,185 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:54,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:54,185 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:54,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:54,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:54,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:54,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:54,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:54,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:54,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:54,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:54,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:54,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:54,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:54,189 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_965747d9-27ff-48f7-8996-abdf2879730e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa38d95315e187ea5fe9b62230d938985648af7e7d892502233db02121b7b545 [2021-11-23 15:47:54,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:54,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:54,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:54,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:54,478 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:54,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c [2021-11-23 15:47:54,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/29154861e/52cb2ccacfb44be49fac0e5e1601cef7/FLAG433563f0c [2021-11-23 15:47:55,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:55,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c [2021-11-23 15:47:55,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/29154861e/52cb2ccacfb44be49fac0e5e1601cef7/FLAG433563f0c [2021-11-23 15:47:56,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/29154861e/52cb2ccacfb44be49fac0e5e1601cef7 [2021-11-23 15:47:56,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:56,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:56,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:56,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:56,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:56,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:56" (1/1) ... [2021-11-23 15:47:56,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a9cb4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:56, skipping insertion in model container [2021-11-23 15:47:56,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:56" (1/1) ... [2021-11-23 15:47:56,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:56,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:58,718 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[378560,378573] [2021-11-23 15:47:58,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[383339,383352] [2021-11-23 15:47:59,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:59,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:00,333 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[378560,378573] [2021-11-23 15:48:00,344 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[383339,383352] [2021-11-23 15:48:00,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:00,463 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:00,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00 WrapperNode [2021-11-23 15:48:00,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:00,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:00,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:00,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:00,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:00,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,121 INFO L137 Inliner]: procedures = 60, calls = 65, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 12967 [2021-11-23 15:48:01,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:01,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:01,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:01,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:01,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:01,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:01,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:01,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:01,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:00" (1/1) ... [2021-11-23 15:48:01,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:01,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:01,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:01,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:48:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:48:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:48:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:48:01,983 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:48:01,983 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:48:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:48:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:48:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:48:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:48:01,984 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:48:01,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:48:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:01,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:02,176 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:02,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:09,873 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:10,019 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 15:48:10,027 INFO L158 Benchmark]: Toolchain (without parser) took 14001.49ms. Allocated memory was 104.9MB in the beginning and 838.9MB in the end (delta: 734.0MB). Free memory was 52.7MB in the beginning and 415.7MB in the end (delta: -363.0MB). Peak memory consumption was 390.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:10,029 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:10,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4436.67ms. Allocated memory was 104.9MB in the beginning and 213.9MB in the end (delta: 109.1MB). Free memory was 52.7MB in the beginning and 88.7MB in the end (delta: -36.0MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:10,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 656.27ms. Allocated memory is still 213.9MB. Free memory was 88.7MB in the beginning and 73.5MB in the end (delta: 15.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:10,036 INFO L158 Benchmark]: Boogie Preprocessor took 652.79ms. Allocated memory was 213.9MB in the beginning and 419.4MB in the end (delta: 205.5MB). Free memory was 73.5MB in the beginning and 254.1MB in the end (delta: -180.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:10,037 INFO L158 Benchmark]: RCFGBuilder took 8249.25ms. Allocated memory was 419.4MB in the beginning and 838.9MB in the end (delta: 419.4MB). Free memory was 254.1MB in the beginning and 415.7MB in the end (delta: -161.7MB). Peak memory consumption was 276.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:10,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4436.67ms. Allocated memory was 104.9MB in the beginning and 213.9MB in the end (delta: 109.1MB). Free memory was 52.7MB in the beginning and 88.7MB in the end (delta: -36.0MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 656.27ms. Allocated memory is still 213.9MB. Free memory was 88.7MB in the beginning and 73.5MB in the end (delta: 15.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 652.79ms. Allocated memory was 213.9MB in the beginning and 419.4MB in the end (delta: 205.5MB). Free memory was 73.5MB in the beginning and 254.1MB in the end (delta: -180.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8249.25ms. Allocated memory was 419.4MB in the beginning and 838.9MB in the end (delta: 419.4MB). Free memory was 254.1MB in the beginning and 415.7MB in the end (delta: -161.7MB). Peak memory consumption was 276.8MB. 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 15:48:10,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/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_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/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_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/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_965747d9-27ff-48f7-8996-abdf2879730e/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 aa38d95315e187ea5fe9b62230d938985648af7e7d892502233db02121b7b545 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:12,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:12,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:12,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:12,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:12,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:12,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:12,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:12,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:12,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:12,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:12,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:12,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:12,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:12,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:12,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:12,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:12,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:12,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:12,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:12,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:12,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:12,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:12,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:12,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:12,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:12,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:12,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:12,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:12,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:12,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:12,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:12,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:12,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:12,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:12,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:12,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:12,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:12,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:12,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:12,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:12,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:48:12,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:12,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:12,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:12,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:12,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:12,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:12,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:12,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:12,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:12,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:12,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:12,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:12,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:12,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:12,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:12,869 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:12,869 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:12,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:12,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:12,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:12,870 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:12,870 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:12,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:12,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:12,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:12,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:12,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:12,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:12,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:12,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:12,873 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:12,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:12,873 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_965747d9-27ff-48f7-8996-abdf2879730e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa38d95315e187ea5fe9b62230d938985648af7e7d892502233db02121b7b545 [2021-11-23 15:48:13,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:13,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:13,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:13,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:13,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:13,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c [2021-11-23 15:48:13,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/c83d334ab/a2d177cdc35a4328b7ff38716a439673/FLAG67062b45a [2021-11-23 15:48:14,644 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:14,646 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c [2021-11-23 15:48:14,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/c83d334ab/a2d177cdc35a4328b7ff38716a439673/FLAG67062b45a [2021-11-23 15:48:14,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/data/c83d334ab/a2d177cdc35a4328b7ff38716a439673 [2021-11-23 15:48:14,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:14,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:14,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:14,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:14,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:14,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:14" (1/1) ... [2021-11-23 15:48:14,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af4ce1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:14, skipping insertion in model container [2021-11-23 15:48:14,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:14" (1/1) ... [2021-11-23 15:48:14,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:15,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:17,707 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[378560,378573] [2021-11-23 15:48:17,739 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[383339,383352] [2021-11-23 15:48:18,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:18,090 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:19,474 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[378560,378573] [2021-11-23 15:48:19,502 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_965747d9-27ff-48f7-8996-abdf2879730e/sv-benchmarks/c/combinations/Problem05_label42+token_ring.08.cil-1.c[383339,383352] [2021-11-23 15:48:19,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:19,681 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:19,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19 WrapperNode [2021-11-23 15:48:19,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:19,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:19,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:19,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:19,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:19,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,394 INFO L137 Inliner]: procedures = 61, calls = 65, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 12933 [2021-11-23 15:48:20,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:20,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:20,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:20,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:20,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:20,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:21,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:21,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:21,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:21,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:21,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:19" (1/1) ... [2021-11-23 15:48:21,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:21,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:21,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:21,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:48:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:48:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:48:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:48:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:48:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:48:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:48:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:48:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:48:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:48:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:48:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:48:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:21,341 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:21,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:32,526 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:32,717 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 15:48:32,730 INFO L158 Benchmark]: Toolchain (without parser) took 17917.82ms. Allocated memory was 83.9MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 50.4MB in the beginning and 870.6MB in the end (delta: -820.3MB). Peak memory consumption was 512.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:32,731 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:32,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4867.77ms. Allocated memory was 83.9MB in the beginning and 264.2MB in the end (delta: 180.4MB). Free memory was 50.4MB in the beginning and 168.3MB in the end (delta: -118.0MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:32,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 711.38ms. Allocated memory is still 264.2MB. Free memory was 168.3MB in the beginning and 130.6MB in the end (delta: 37.8MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:32,734 INFO L158 Benchmark]: Boogie Preprocessor took 618.61ms. Allocated memory was 264.2MB in the beginning and 528.5MB in the end (delta: 264.2MB). Free memory was 130.6MB in the beginning and 364.2MB in the end (delta: -233.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:32,735 INFO L158 Benchmark]: RCFGBuilder took 11712.41ms. Allocated memory was 528.5MB in the beginning and 1.1GB in the end (delta: 528.5MB). Free memory was 364.2MB in the beginning and 870.6MB in the end (delta: -506.4MB). Peak memory consumption was 379.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:32,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4867.77ms. Allocated memory was 83.9MB in the beginning and 264.2MB in the end (delta: 180.4MB). Free memory was 50.4MB in the beginning and 168.3MB in the end (delta: -118.0MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 711.38ms. Allocated memory is still 264.2MB. Free memory was 168.3MB in the beginning and 130.6MB in the end (delta: 37.8MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 618.61ms. Allocated memory was 264.2MB in the beginning and 528.5MB in the end (delta: 264.2MB). Free memory was 130.6MB in the beginning and 364.2MB in the end (delta: -233.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * RCFGBuilder took 11712.41ms. Allocated memory was 528.5MB in the beginning and 1.1GB in the end (delta: 528.5MB). Free memory was 364.2MB in the beginning and 870.6MB in the end (delta: -506.4MB). Peak memory consumption was 379.6MB. 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 15:48:32,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965747d9-27ff-48f7-8996-abdf2879730e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable