./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_25-2.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_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/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_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/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_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/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 9030972e60093099261ffd255cd123d40a9b99982e16d5d1c2c77af1369268fd --- 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 16:52:29,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:29,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:29,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:29,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:29,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:29,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:29,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:29,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:29,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:29,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:29,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:29,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:29,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:29,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:29,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:29,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:29,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:29,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:29,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:29,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:29,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:29,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:29,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:29,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:29,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:29,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:29,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:29,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:29,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:29,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:29,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:29,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:29,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:29,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:29,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:29,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:29,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:29,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:29,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:29,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:29,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:52:29,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:29,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:29,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:29,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:29,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:29,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:29,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:29,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:29,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:29,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:29,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:29,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:29,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:29,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:29,305 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:29,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:29,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:29,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:29,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:29,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:29,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:29,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:29,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:29,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:29,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:29,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:29,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:29,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:29,308 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_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9030972e60093099261ffd255cd123d40a9b99982e16d5d1c2c77af1369268fd [2022-10-17 16:52:29,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:29,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:29,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:29,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:29,605 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:29,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/fibo_25-2.c [2022-10-17 16:52:29,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/data/33b500aa7/19c035a938694d8cb282e8c3afa84eae/FLAGdf7f1ae6c [2022-10-17 16:52:30,140 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:30,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/sv-benchmarks/c/recursive-simple/fibo_25-2.c [2022-10-17 16:52:30,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/data/33b500aa7/19c035a938694d8cb282e8c3afa84eae/FLAGdf7f1ae6c [2022-10-17 16:52:30,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/data/33b500aa7/19c035a938694d8cb282e8c3afa84eae [2022-10-17 16:52:30,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:30,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:30,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:30,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:30,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:30,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1424b006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30, skipping insertion in model container [2022-10-17 16:52:30,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:30,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:30,397 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_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/sv-benchmarks/c/recursive-simple/fibo_25-2.c[746,759] [2022-10-17 16:52:30,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:30,414 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:30,430 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_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/sv-benchmarks/c/recursive-simple/fibo_25-2.c[746,759] [2022-10-17 16:52:30,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:30,451 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:30,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30 WrapperNode [2022-10-17 16:52:30,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:30,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:30,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:30,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:30,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,489 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-17 16:52:30,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:30,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:30,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:30,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:30,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:30,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:30,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:30,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:30,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:30,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:30,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:30,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d6fd6d-527f-4029-b4e4-b9c2e2795a2e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2022-10-17 16:52:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2022-10-17 16:52:30,686 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:30,688 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:30,858 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:30,874 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:30,874 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:52:30,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:30 BoogieIcfgContainer [2022-10-17 16:52:30,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:30,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:30,877 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:30,888 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:30,888 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:30" (1/1) ... [2022-10-17 16:52:30,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:52:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:52:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:52:30,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:30,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,217 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 16:52:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2022-10-17 16:52:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 16:52:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:52:31,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,477 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 16:52:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2022-10-17 16:52:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:52:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:52:31,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:52:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2022-10-17 16:52:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:52:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:52:31,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:52:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2022-10-17 16:52:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-10-17 16:52:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:52:32,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:52:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2022-10-17 16:52:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2022-10-17 16:52:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:52:33,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:52:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2022-10-17 16:52:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-10-17 16:52:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:33,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:52:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2022-10-17 16:52:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:52:34,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:52:34,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:34,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:52:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2022-10-17 16:52:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2022-10-17 16:52:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-17 16:52:34,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 54 proven. 273 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 16:52:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 98 transitions. [2022-10-17 16:52:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 98 transitions. [2022-10-17 16:52:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-17 16:52:35,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:35,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 132 proven. 828 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2022-10-17 16:52:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 121 transitions. [2022-10-17 16:52:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2022-10-17 16:52:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-10-17 16:52:36,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:36,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2264 backedges. 447 proven. 412 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2022-10-17 16:52:37,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 51 states and 121 transitions. [2022-10-17 16:52:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 121 transitions. [2022-10-17 16:52:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-10-17 16:52:37,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9644 backedges. 304 proven. 1721 refuted. 0 times theorem prover too weak. 7619 trivial. 0 not checked. [2022-10-17 16:52:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 56 states and 145 transitions. [2022-10-17 16:52:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 145 transitions. [2022-10-17 16:52:38,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-10-17 16:52:38,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 9644 backedges. 1292 proven. 942 refuted. 0 times theorem prover too weak. 7410 trivial. 0 not checked. [2022-10-17 16:52:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 58 states and 146 transitions. [2022-10-17 16:52:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 146 transitions. [2022-10-17 16:52:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-10-17 16:52:39,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:39,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 11579 backedges. 432 proven. 1500 refuted. 0 times theorem prover too weak. 9647 trivial. 0 not checked. [2022-10-17 16:52:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 58 states and 145 transitions. [2022-10-17 16:52:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 145 transitions. [2022-10-17 16:52:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2022-10-17 16:52:40,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:40,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 39393 backedges. 687 proven. 4248 refuted. 0 times theorem prover too weak. 34458 trivial. 0 not checked. [2022-10-17 16:52:42,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 63 states and 171 transitions. [2022-10-17 16:52:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 171 transitions. [2022-10-17 16:52:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2022-10-17 16:52:42,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 39779 backedges. 1524 proven. 3691 refuted. 0 times theorem prover too weak. 34564 trivial. 0 not checked. [2022-10-17 16:52:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 65 states and 173 transitions. [2022-10-17 16:52:44,199 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 173 transitions. [2022-10-17 16:52:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-10-17 16:52:44,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 22149 backedges. 1477 proven. 2323 refuted. 0 times theorem prover too weak. 18349 trivial. 0 not checked. [2022-10-17 16:52:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 65 states and 173 transitions. [2022-10-17 16:52:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 173 transitions. [2022-10-17 16:52:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2022-10-17 16:52:45,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:45,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 78647 backedges. 1122 proven. 5097 refuted. 0 times theorem prover too weak. 72428 trivial. 0 not checked. [2022-10-17 16:52:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 65 states and 171 transitions. [2022-10-17 16:52:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 171 transitions. [2022-10-17 16:52:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2022-10-17 16:52:47,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 67194 backedges. 844 proven. 6506 refuted. 0 times theorem prover too weak. 59844 trivial. 0 not checked. [2022-10-17 16:52:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 70 states and 200 transitions. [2022-10-17 16:52:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 200 transitions. [2022-10-17 16:52:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-10-17 16:52:49,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 25110 backedges. 3269 proven. 1420 refuted. 0 times theorem prover too weak. 20421 trivial. 0 not checked. [2022-10-17 16:52:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 72 states and 201 transitions. [2022-10-17 16:52:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 201 transitions. [2022-10-17 16:52:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2022-10-17 16:52:51,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 91765 backedges. 5652 proven. 8347 refuted. 0 times theorem prover too weak. 77766 trivial. 0 not checked. [2022-10-17 16:52:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 72 states and 199 transitions. [2022-10-17 16:52:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 199 transitions. [2022-10-17 16:52:56,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2047 [2022-10-17 16:52:56,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:56,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat