./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.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_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/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_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/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_6e1fe817-0f75-471b-b23d-0609336c001c/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 cfaa727818e9d1eb335a3637dac175808db4c2bbb7c5a7c3c9835dd5611700d7 --- 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 16:51:20,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:20,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:20,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:20,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:20,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:20,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:20,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:20,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:20,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:20,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:20,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:20,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:20,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:20,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:20,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:20,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:20,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:20,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:20,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:20,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:20,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:20,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:20,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:20,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:20,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:20,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:20,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:20,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:20,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:20,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:20,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:20,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:20,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:20,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:20,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:20,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:20,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:20,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:20,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:20,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:20,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:20,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:20,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:20,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:20,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:20,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:20,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:20,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:20,524 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:20,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:20,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:20,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:20,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:20,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:20,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:20,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:20,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:20,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:20,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:20,528 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:20,529 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:20,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:20,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:20,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:20,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:20,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:20,530 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:20,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:20,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:20,531 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_6e1fe817-0f75-471b-b23d-0609336c001c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfaa727818e9d1eb335a3637dac175808db4c2bbb7c5a7c3c9835dd5611700d7 [2022-10-17 16:51:20,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:20,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:20,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:20,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:20,875 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:20,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c [2022-10-17 16:51:20,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/data/0731da88f/b659d25030a4477792238343e84f3d75/FLAGc003b19e3 [2022-10-17 16:51:22,131 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:22,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c [2022-10-17 16:51:22,188 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/data/0731da88f/b659d25030a4477792238343e84f3d75/FLAGc003b19e3 [2022-10-17 16:51:22,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/data/0731da88f/b659d25030a4477792238343e84f3d75 [2022-10-17 16:51:22,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:22,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:22,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:22,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:22,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:22,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:22" (1/1) ... [2022-10-17 16:51:22,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151d6a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:22, skipping insertion in model container [2022-10-17 16:51:22,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:22" (1/1) ... [2022-10-17 16:51:22,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:22,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:25,309 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_6e1fe817-0f75-471b-b23d-0609336c001c/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c[378560,378573] [2022-10-17 16:51:25,405 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_6e1fe817-0f75-471b-b23d-0609336c001c/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c[383339,383352] [2022-10-17 16:51:25,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:25,606 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:26,885 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_6e1fe817-0f75-471b-b23d-0609336c001c/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c[378560,378573] [2022-10-17 16:51:26,895 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_6e1fe817-0f75-471b-b23d-0609336c001c/sv-benchmarks/c/combinations/Problem05_label42+token_ring.01.cil-2.c[383339,383352] [2022-10-17 16:51:26,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:27,019 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:27,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27 WrapperNode [2022-10-17 16:51:27,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:27,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:27,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:27,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:27,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,538 INFO L138 Inliner]: procedures = 46, calls = 45, calls flagged for inlining = 23, calls inlined = 23, statements flattened = 12566 [2022-10-17 16:51:27,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:27,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:27,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:27,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:27,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,971 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:28,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:28,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:28,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:28,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:28,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:28,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:28,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:28,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:28,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:28,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fe817-0f75-471b-b23d-0609336c001c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:51:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:51:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:51:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:51:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:51:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:51:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:51:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:51:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:51:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:51:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:51:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:28,654 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:28,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:37,830 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:40,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:40,184 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:51:40,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:40 BoogieIcfgContainer [2022-10-17 16:51:40,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:40,195 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:40,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:40,206 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:40,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:40" (1/1) ... [2022-10-17 16:51:40,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 1716 states and 3377 transitions. [2022-10-17 16:51:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 3377 transitions. [2022-10-17 16:51:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:51:40,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,967 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 16:51:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 1720 states and 3383 transitions. [2022-10-17 16:51:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 3383 transitions. [2022-10-17 16:51:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:51:41,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,268 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 16:51:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 1721 states and 3383 transitions. [2022-10-17 16:51:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 3383 transitions. [2022-10-17 16:51:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:51:41,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,461 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 16:51:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 1729 states and 3398 transitions. [2022-10-17 16:51:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 3398 transitions. [2022-10-17 16:51:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:51:41,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,843 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 16:51:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 1742 states and 3426 transitions. [2022-10-17 16:51:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 3426 transitions. [2022-10-17 16:51:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:51:42,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,421 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 16:51:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1745 states and 3431 transitions. [2022-10-17 16:51:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 3431 transitions. [2022-10-17 16:51:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:43,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,147 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 16:51:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 1743 states and 3426 transitions. [2022-10-17 16:51:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 3426 transitions. [2022-10-17 16:51:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:43,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:43,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:43,494 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 16:51:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1755 states and 3452 transitions. [2022-10-17 16:51:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3452 transitions. [2022-10-17 16:51:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:44,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,924 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 16:51:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1757 states and 3458 transitions. [2022-10-17 16:51:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 3458 transitions. [2022-10-17 16:51:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:51:45,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,342 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 16:51:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 1754 states and 3450 transitions. [2022-10-17 16:51:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 3450 transitions. [2022-10-17 16:51:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:51:45,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,414 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 16:51:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1756 states and 3453 transitions. [2022-10-17 16:51:45,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 3453 transitions. [2022-10-17 16:51:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:51:45,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,569 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 16:51:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 1753 states and 3444 transitions. [2022-10-17 16:51:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 3444 transitions. [2022-10-17 16:51:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:51:45,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,660 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 16:51:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 1755 states and 3448 transitions. [2022-10-17 16:51:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3448 transitions. [2022-10-17 16:51:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:51:45,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,802 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 16:51:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 1755 states and 3447 transitions. [2022-10-17 16:51:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3447 transitions. [2022-10-17 16:51:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:51:45,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:45,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:45,904 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 16:51:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 1765 states and 3465 transitions. [2022-10-17 16:51:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3465 transitions. [2022-10-17 16:51:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:51:46,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,540 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 16:51:46,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 1767 states and 3468 transitions. [2022-10-17 16:51:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 3468 transitions. [2022-10-17 16:51:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:51:46,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:46,893 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 16:51:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 1767 states and 3467 transitions. [2022-10-17 16:51:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 3467 transitions. [2022-10-17 16:51:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:51:46,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,057 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 16:51:47,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 1769 states and 3470 transitions. [2022-10-17 16:51:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 3470 transitions. [2022-10-17 16:51:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:51:47,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,132 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 16:51:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 1770 states and 3471 transitions. [2022-10-17 16:51:47,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 3471 transitions. [2022-10-17 16:51:47,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:51:47,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,270 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 16:51:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 1774 states and 3479 transitions. [2022-10-17 16:51:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 3479 transitions. [2022-10-17 16:51:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:51:47,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,595 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 16:51:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:48,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 1781 states and 3495 transitions. [2022-10-17 16:51:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 3495 transitions. [2022-10-17 16:51:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:51:48,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:48,210 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 16:51:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 1788 states and 3516 transitions. [2022-10-17 16:51:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3516 transitions. [2022-10-17 16:51:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:51:49,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat