./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/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 82bdcd0599c1cc352b3450b4e917b8a69eeb254589d3b948d4951dae1b33e3d4 --- 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 16:29:22,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:22,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:22,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:22,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:22,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:22,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:22,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:22,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:22,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:22,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:22,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:22,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:22,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:22,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:22,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:22,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:22,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:22,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:22,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:22,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:22,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:22,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:22,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:22,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:22,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:22,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:22,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:22,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:22,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:22,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:22,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:22,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:22,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:22,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:22,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:22,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:22,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:22,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:22,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:22,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:22,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:22,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:22,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:22,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:22,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:22,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:22,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:22,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:22,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:22,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:22,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:22,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:22,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:22,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:22,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:22,503 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:22,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:22,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:22,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:22,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:22,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:22,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:22,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:22,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:22,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:22,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:22,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:22,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:22,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:22,510 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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82bdcd0599c1cc352b3450b4e917b8a69eeb254589d3b948d4951dae1b33e3d4 [2022-10-17 16:29:22,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:22,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:22,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:22,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:22,867 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:22,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c [2022-10-17 16:29:22,945 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/data/9b8c5458d/1abeed4fd0ba49be9aaf60686cd898ed/FLAG73e5ded1b [2022-10-17 16:29:23,498 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:23,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c [2022-10-17 16:29:23,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/data/9b8c5458d/1abeed4fd0ba49be9aaf60686cd898ed/FLAG73e5ded1b [2022-10-17 16:29:23,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/data/9b8c5458d/1abeed4fd0ba49be9aaf60686cd898ed [2022-10-17 16:29:23,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:23,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:23,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:23,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:23,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:23,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:23" (1/1) ... [2022-10-17 16:29:23,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527adf20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:23, skipping insertion in model container [2022-10-17 16:29:23,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:23" (1/1) ... [2022-10-17 16:29:23,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:23,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:24,079 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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c[913,926] [2022-10-17 16:29:24,125 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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c[5977,5990] [2022-10-17 16:29:24,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:24,233 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:24,246 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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c[913,926] [2022-10-17 16:29:24,263 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_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c[5977,5990] [2022-10-17 16:29:24,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:24,339 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:24,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24 WrapperNode [2022-10-17 16:29:24,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:24,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:24,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:24,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:24,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,412 INFO L138 Inliner]: procedures = 56, calls = 60, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 591 [2022-10-17 16:29:24,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:24,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:24,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:24,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:24,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,459 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:24,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:24,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:24,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:24,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:24" (1/1) ... [2022-10-17 16:29:24,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:24,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:24,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:24,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a7b1ed-af3d-4a77-bf1c-f1656677a89f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:29:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:29:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-17 16:29:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-17 16:29:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:29:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:29:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:29:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:29:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:29:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:29:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:29:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:29:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:29:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:29:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:29:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:29:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:29:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:29:24,732 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:24,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:25,449 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:25,871 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:25,871 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:29:25,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:25 BoogieIcfgContainer [2022-10-17 16:29:25,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:25,876 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:25,876 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:25,905 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:25,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:25" (1/1) ... [2022-10-17 16:29:25,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 151 states and 225 transitions. [2022-10-17 16:29:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2022-10-17 16:29:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:29:26,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:26,307 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 16:29:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 156 states and 231 transitions. [2022-10-17 16:29:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2022-10-17 16:29:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:29:26,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:26,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:26,533 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 16:29:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 166 states and 251 transitions. [2022-10-17 16:29:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2022-10-17 16:29:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:29:26,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:26,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:26,773 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 16:29:26,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 178 states and 274 transitions. [2022-10-17 16:29:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 274 transitions. [2022-10-17 16:29:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:29:26,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:26,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:27,043 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 16:29:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 178 states and 273 transitions. [2022-10-17 16:29:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 273 transitions. [2022-10-17 16:29:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:29:27,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:27,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:27,367 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 16:29:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 181 states and 279 transitions. [2022-10-17 16:29:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 279 transitions. [2022-10-17 16:29:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:29:27,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:27,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:27,804 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 16:29:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 189 states and 294 transitions. [2022-10-17 16:29:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 294 transitions. [2022-10-17 16:29:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:29:28,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:28,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:28,532 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 16:29:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 197 states and 309 transitions. [2022-10-17 16:29:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 309 transitions. [2022-10-17 16:29:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:29:29,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:29,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:29:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:29,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 199 states and 313 transitions. [2022-10-17 16:29:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2022-10-17 16:29:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:29:29,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:29:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 203 states and 318 transitions. [2022-10-17 16:29:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 318 transitions. [2022-10-17 16:29:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:29,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:29,862 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 16:29:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 217 states and 344 transitions. [2022-10-17 16:29:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 344 transitions. [2022-10-17 16:29:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:30,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,076 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 16:29:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 218 states and 344 transitions. [2022-10-17 16:29:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 344 transitions. [2022-10-17 16:29:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:30,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,154 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 16:29:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 219 states and 344 transitions. [2022-10-17 16:29:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 344 transitions. [2022-10-17 16:29:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:30,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,219 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 16:29:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 220 states and 344 transitions. [2022-10-17 16:29:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 344 transitions. [2022-10-17 16:29:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:30,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,283 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 16:29:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 221 states and 344 transitions. [2022-10-17 16:29:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 344 transitions. [2022-10-17 16:29:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:30,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,448 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 16:29:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 233 states and 367 transitions. [2022-10-17 16:29:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 367 transitions. [2022-10-17 16:29:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:30,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,005 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 16:29:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 234 states and 367 transitions. [2022-10-17 16:29:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 367 transitions. [2022-10-17 16:29:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:31,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,102 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 16:29:31,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 235 states and 367 transitions. [2022-10-17 16:29:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 367 transitions. [2022-10-17 16:29:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:31,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,239 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 16:29:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 236 states and 367 transitions. [2022-10-17 16:29:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 367 transitions. [2022-10-17 16:29:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:31,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,420 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 16:29:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 241 states and 378 transitions. [2022-10-17 16:29:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 378 transitions. [2022-10-17 16:29:31,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:31,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,904 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 16:29:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 242 states and 378 transitions. [2022-10-17 16:29:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 378 transitions. [2022-10-17 16:29:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:31,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,984 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 16:29:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 250 states and 393 transitions. [2022-10-17 16:29:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 393 transitions. [2022-10-17 16:29:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:29:32,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 257 states and 409 transitions. [2022-10-17 16:29:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 409 transitions. [2022-10-17 16:29:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:29:32,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 264 states and 426 transitions. [2022-10-17 16:29:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 426 transitions. [2022-10-17 16:29:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:29:33,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:33,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:29:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 266 states and 429 transitions. [2022-10-17 16:29:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 429 transitions. [2022-10-17 16:29:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:29:33,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:29:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 266 states and 428 transitions. [2022-10-17 16:29:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 428 transitions. [2022-10-17 16:29:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:29:33,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:33,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 275 states and 443 transitions. [2022-10-17 16:29:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 443 transitions. [2022-10-17 16:29:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:29:34,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 276 states and 443 transitions. [2022-10-17 16:29:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 443 transitions. [2022-10-17 16:29:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:29:34,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:29:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:35,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 285 states and 458 transitions. [2022-10-17 16:29:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 458 transitions. [2022-10-17 16:29:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:29:35,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:29:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 291 states and 469 transitions. [2022-10-17 16:29:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 469 transitions. [2022-10-17 16:29:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:29:35,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:29:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 297 states and 480 transitions. [2022-10-17 16:29:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 480 transitions. [2022-10-17 16:29:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:29:36,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:29:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 310 states and 515 transitions. [2022-10-17 16:29:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 515 transitions. [2022-10-17 16:29:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:29:37,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:29:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 314 states and 522 transitions. [2022-10-17 16:29:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 522 transitions. [2022-10-17 16:29:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:29:38,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:38,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:29:38,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 320 states and 533 transitions. [2022-10-17 16:29:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 533 transitions. [2022-10-17 16:29:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:29:38,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:38,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:29:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 326 states and 545 transitions. [2022-10-17 16:29:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 545 transitions. [2022-10-17 16:29:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:29:39,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:39,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:29:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 352 states and 605 transitions. [2022-10-17 16:29:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 605 transitions. [2022-10-17 16:29:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:29:44,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:29:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 353 states and 609 transitions. [2022-10-17 16:29:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 609 transitions. [2022-10-17 16:29:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:29:44,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:29:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 354 states and 612 transitions. [2022-10-17 16:29:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 612 transitions. [2022-10-17 16:29:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:29:44,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:44,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:29:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 355 states and 617 transitions. [2022-10-17 16:29:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 617 transitions. [2022-10-17 16:29:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:29:45,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:45,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:45,905 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 16:29:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 374 states and 656 transitions. [2022-10-17 16:29:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 656 transitions. [2022-10-17 16:29:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:29:48,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:48,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:48,941 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 16:29:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 376 states and 661 transitions. [2022-10-17 16:29:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 661 transitions. [2022-10-17 16:29:50,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:29:50,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:50,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.