./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.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_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/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_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/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_cae038f5-950e-4d89-9217-2c84c311e8d9/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 c665dc43064a88e9fdc5dde4df96c2211b78bc780d85081555cde4301189f544 --- 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 16:48:26,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:26,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:26,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:26,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:26,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:26,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:26,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:26,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:26,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:26,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:26,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:26,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:26,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:26,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:26,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:26,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:26,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:26,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:26,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:26,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:26,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:26,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:26,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:26,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:26,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:26,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:26,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:26,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:26,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:26,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:26,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:26,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:26,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:26,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:26,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:26,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:26,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:26,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:26,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:26,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:26,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:26,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:26,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:26,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:26,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:26,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:26,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:26,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:26,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:26,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:26,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:26,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:26,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:26,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:26,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:26,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:26,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:26,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:26,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:26,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:26,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:26,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:26,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:26,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:26,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:26,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:26,488 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:26,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:26,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:26,489 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_cae038f5-950e-4d89-9217-2c84c311e8d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c665dc43064a88e9fdc5dde4df96c2211b78bc780d85081555cde4301189f544 [2022-10-17 16:48:26,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:26,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:26,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:26,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:26,825 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:26,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c [2022-10-17 16:48:26,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/data/b49cccb8f/d5fe3c41619d40338bd9e0acb175af3a/FLAGf051b049e [2022-10-17 16:48:28,078 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:28,079 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c [2022-10-17 16:48:28,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/data/b49cccb8f/d5fe3c41619d40338bd9e0acb175af3a/FLAGf051b049e [2022-10-17 16:48:28,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/data/b49cccb8f/d5fe3c41619d40338bd9e0acb175af3a [2022-10-17 16:48:28,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:28,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:28,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:28,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:28,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:28,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408388cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28, skipping insertion in model container [2022-10-17 16:48:28,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:28,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:31,091 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_cae038f5-950e-4d89-9217-2c84c311e8d9/sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c[380323,380336] [2022-10-17 16:48:31,123 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_cae038f5-950e-4d89-9217-2c84c311e8d9/sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c[383339,383352] [2022-10-17 16:48:31,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:31,300 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:32,595 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_cae038f5-950e-4d89-9217-2c84c311e8d9/sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c[380323,380336] [2022-10-17 16:48:32,603 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_cae038f5-950e-4d89-9217-2c84c311e8d9/sv-benchmarks/c/combinations/Problem05_label45+token_ring.01.cil-1.c[383339,383352] [2022-10-17 16:48:32,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:32,758 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:32,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32 WrapperNode [2022-10-17 16:48:32,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:32,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:32,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:32,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:32,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:32,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:33,578 INFO L138 Inliner]: procedures = 46, calls = 44, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 12561 [2022-10-17 16:48:33,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:33,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:33,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:33,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:33,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:33,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:33,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:33,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:33,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:33,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:34,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:34,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:34,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:34,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:34,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:34,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:34,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:32" (1/1) ... [2022-10-17 16:48:34,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:34,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:34,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cae038f5-950e-4d89-9217-2c84c311e8d9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:48:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:48:34,266 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:48:34,266 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:48:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:48:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:48:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:48:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:48:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:48:34,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:48:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:48:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:48:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:34,520 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:34,523 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:43,031 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:45,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:45,953 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:48:45,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:45 BoogieIcfgContainer [2022-10-17 16:48:45,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:45,960 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:45,961 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:45,971 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:45,972 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:45" (1/1) ... [2022-10-17 16:48:45,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 1710 states and 3367 transitions. [2022-10-17 16:48:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 3367 transitions. [2022-10-17 16:48:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:46,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,516 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 16:48:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 1715 states and 3375 transitions. [2022-10-17 16:48:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 3375 transitions. [2022-10-17 16:48:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:46,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,793 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 16:48:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 1716 states and 3375 transitions. [2022-10-17 16:48:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 3375 transitions. [2022-10-17 16:48:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:46,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,890 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 16:48:46,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 1724 states and 3390 transitions. [2022-10-17 16:48:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 3390 transitions. [2022-10-17 16:48:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:48:46,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,169 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 16:48:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 1737 states and 3418 transitions. [2022-10-17 16:48:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3418 transitions. [2022-10-17 16:48:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:48:47,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,812 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 16:48:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 1740 states and 3423 transitions. [2022-10-17 16:48:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 3423 transitions. [2022-10-17 16:48:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:48:48,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:48,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:48,362 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 16:48:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 1738 states and 3418 transitions. [2022-10-17 16:48:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3418 transitions. [2022-10-17 16:48:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:48:48,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:48,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:50,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 1750 states and 3444 transitions. [2022-10-17 16:48:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3444 transitions. [2022-10-17 16:48:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:48:50,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1752 states and 3450 transitions. [2022-10-17 16:48:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 3450 transitions. [2022-10-17 16:48:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:48:50,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,647 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 16:48:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 1749 states and 3442 transitions. [2022-10-17 16:48:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 3442 transitions. [2022-10-17 16:48:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:48:50,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 1751 states and 3445 transitions. [2022-10-17 16:48:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 3445 transitions. [2022-10-17 16:48:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:48:50,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 1748 states and 3436 transitions. [2022-10-17 16:48:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 3436 transitions. [2022-10-17 16:48:50,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:48:50,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1750 states and 3440 transitions. [2022-10-17 16:48:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3440 transitions. [2022-10-17 16:48:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:48:50,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1750 states and 3439 transitions. [2022-10-17 16:48:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3439 transitions. [2022-10-17 16:48:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:48:51,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:51,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:51,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 1760 states and 3457 transitions. [2022-10-17 16:48:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3457 transitions. [2022-10-17 16:48:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:48:51,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:51,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:48:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 1762 states and 3460 transitions. [2022-10-17 16:48:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3460 transitions. [2022-10-17 16:48:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:48:52,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:48:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 1762 states and 3459 transitions. [2022-10-17 16:48:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3459 transitions. [2022-10-17 16:48:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:48:52,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:48:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 1764 states and 3462 transitions. [2022-10-17 16:48:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3462 transitions. [2022-10-17 16:48:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:48:52,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 16:48:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 1765 states and 3463 transitions. [2022-10-17 16:48:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3463 transitions. [2022-10-17 16:48:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:48:52,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 1769 states and 3469 transitions. [2022-10-17 16:48:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 3469 transitions. [2022-10-17 16:48:52,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:48:52,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:48:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 1776 states and 3483 transitions. [2022-10-17 16:48:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3483 transitions. [2022-10-17 16:48:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:48:53,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:53,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.