./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB --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 1cb4eb95fbb86e81adddda10624c3164b4456d4761ce2ac967ea89c58c777ea3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:16,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:16,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:16,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:16,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:16,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:16,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:16,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:16,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:16,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:16,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:16,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:16,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:16,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:16,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:16,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:16,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:16,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:16,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:16,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:16,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:16,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:16,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:16,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:16,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:16,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:16,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:16,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:16,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:16,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:16,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:16,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:16,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:16,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:16,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:16,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:16,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:16,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:16,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:16,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:16,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:16,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:16,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:16,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:16,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:16,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:16,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:16,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:16,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:16,323 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:16,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:16,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:16,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:16,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:16,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:16,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:16,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:16,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:16,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:16,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:16,327 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:16,328 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:16,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:16,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:16,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:16,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:16,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:16,330 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:16,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:16,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:16,332 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_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb4eb95fbb86e81adddda10624c3164b4456d4761ce2ac967ea89c58c777ea3 [2022-10-17 17:04:16,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:16,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:16,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:16,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:16,631 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:16,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c [2022-10-17 17:04:16,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/data/da88f1978/238ef0c448a742ff937d54b1dc7ce473/FLAGc049e9329 [2022-10-17 17:04:17,720 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:17,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c [2022-10-17 17:04:17,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/data/da88f1978/238ef0c448a742ff937d54b1dc7ce473/FLAGc049e9329 [2022-10-17 17:04:18,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/data/da88f1978/238ef0c448a742ff937d54b1dc7ce473 [2022-10-17 17:04:18,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:18,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:18,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:18,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:18,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:18,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:18" (1/1) ... [2022-10-17 17:04:18,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16063c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:18, skipping insertion in model container [2022-10-17 17:04:18,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:18" (1/1) ... [2022-10-17 17:04:18,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:18,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:20,674 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_e3d51e11-c076-42ff-b61a-3b437be57d6a/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[380593,380606] [2022-10-17 17:04:20,706 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_e3d51e11-c076-42ff-b61a-3b437be57d6a/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[383339,383352] [2022-10-17 17:04:20,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:20,992 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:22,264 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_e3d51e11-c076-42ff-b61a-3b437be57d6a/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[380593,380606] [2022-10-17 17:04:22,273 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_e3d51e11-c076-42ff-b61a-3b437be57d6a/sv-benchmarks/c/combinations/Problem05_label49+token_ring.04.cil-1.c[383339,383352] [2022-10-17 17:04:22,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:22,372 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:22,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22 WrapperNode [2022-10-17 17:04:22,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:22,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:22,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:22,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:22,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,974 INFO L138 Inliner]: procedures = 52, calls = 53, calls flagged for inlining = 30, calls inlined = 30, statements flattened = 12735 [2022-10-17 17:04:22,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:22,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:22,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:22,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:22,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,635 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:23,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:23,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:23,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:23,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:23,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:23,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:23,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:23,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d51e11-c076-42ff-b61a-3b437be57d6a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 17:04:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 17:04:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 17:04:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 17:04:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 17:04:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 17:04:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 17:04:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 17:04:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 17:04:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 17:04:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 17:04:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 17:04:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:23,998 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:24,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:32,918 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:35,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:35,263 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 17:04:35,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:35 BoogieIcfgContainer [2022-10-17 17:04:35,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:35,269 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:35,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:35,279 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:35,280 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1743 states and 3421 transitions. [2022-10-17 17:04:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 3421 transitions. [2022-10-17 17:04:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:35,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:35,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1757 states and 3447 transitions. [2022-10-17 17:04:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 3447 transitions. [2022-10-17 17:04:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:36,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:36,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1758 states and 3447 transitions. [2022-10-17 17:04:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3447 transitions. [2022-10-17 17:04:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:36,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:36,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1759 states and 3447 transitions. [2022-10-17 17:04:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 3447 transitions. [2022-10-17 17:04:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:36,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1760 states and 3447 transitions. [2022-10-17 17:04:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3447 transitions. [2022-10-17 17:04:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:36,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:36,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1761 states and 3447 transitions. [2022-10-17 17:04:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 3447 transitions. [2022-10-17 17:04:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:36,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1770 states and 3464 transitions. [2022-10-17 17:04:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 3464 transitions. [2022-10-17 17:04:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:37,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1771 states and 3464 transitions. [2022-10-17 17:04:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 3464 transitions. [2022-10-17 17:04:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:37,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1772 states and 3464 transitions. [2022-10-17 17:04:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 3464 transitions. [2022-10-17 17:04:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:37,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1777 states and 3475 transitions. [2022-10-17 17:04:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 3475 transitions. [2022-10-17 17:04:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:37,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1778 states and 3475 transitions. [2022-10-17 17:04:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 3475 transitions. [2022-10-17 17:04:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:04:37,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 1786 states and 3490 transitions. [2022-10-17 17:04:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 3490 transitions. [2022-10-17 17:04:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:37,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 1805 states and 3529 transitions. [2022-10-17 17:04:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 3529 transitions. [2022-10-17 17:04:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:39,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 1807 states and 3534 transitions. [2022-10-17 17:04:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 3534 transitions. [2022-10-17 17:04:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:04:40,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 1818 states and 3557 transitions. [2022-10-17 17:04:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 3557 transitions. [2022-10-17 17:04:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:41,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:41,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3612 states to 1819 states and 3558 transitions. [2022-10-17 17:04:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 3558 transitions. [2022-10-17 17:04:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:41,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:41,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:04:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 1820 states and 3559 transitions. [2022-10-17 17:04:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 3559 transitions. [2022-10-17 17:04:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:04:42,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:42,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:42,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.