./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.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_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/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_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/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_df519efb-a97c-4936-ae63-a864440f8db4/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 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:02:25,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:25,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:25,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:25,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:25,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:25,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:25,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:25,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:25,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:25,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:25,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:25,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:25,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:25,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:25,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:25,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:25,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:25,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:25,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:25,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:25,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:25,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:25,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:25,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:25,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:25,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:25,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:25,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:25,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:25,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:25,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:25,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:25,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:25,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:25,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:25,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:25,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:25,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:25,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:25,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:25,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:25,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:25,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:25,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:25,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:25,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:25,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:25,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:25,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:25,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:25,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:25,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:25,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:25,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:25,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:25,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:25,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:25,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:25,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:25,378 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:25,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:25,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:25,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:25,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:25,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:25,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:25,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:25,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:25,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:25,381 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_df519efb-a97c-4936-ae63-a864440f8db4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 [2022-10-17 17:02:25,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:25,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:25,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:25,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:25,719 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:25,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2022-10-17 17:02:25,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/data/8c4868c16/b2b3fe0828e84d9da29ed55a26b3ef44/FLAGb7aa1b128 [2022-10-17 17:02:26,313 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:26,314 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2022-10-17 17:02:26,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/data/8c4868c16/b2b3fe0828e84d9da29ed55a26b3ef44/FLAGb7aa1b128 [2022-10-17 17:02:26,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/data/8c4868c16/b2b3fe0828e84d9da29ed55a26b3ef44 [2022-10-17 17:02:26,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:26,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:26,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:26,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:26,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:26,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:26" (1/1) ... [2022-10-17 17:02:26,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e642add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:26, skipping insertion in model container [2022-10-17 17:02:26,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:26" (1/1) ... [2022-10-17 17:02:26,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:26,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:27,024 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_df519efb-a97c-4936-ae63-a864440f8db4/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2022-10-17 17:02:27,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:27,095 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:27,154 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_df519efb-a97c-4936-ae63-a864440f8db4/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c[8617,8630] [2022-10-17 17:02:27,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:27,240 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:27,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27 WrapperNode [2022-10-17 17:02:27,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:27,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:27,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:27,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:27,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,323 INFO L138 Inliner]: procedures = 54, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 250 [2022-10-17 17:02:27,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:27,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:27,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:27,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:27,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:27,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:27,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:27,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:27,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:27" (1/1) ... [2022-10-17 17:02:27,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:27,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:27,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df519efb-a97c-4936-ae63-a864440f8db4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:27,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:02:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:02:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:02:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:02:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:02:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:02:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 17:02:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 17:02:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:02:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:02:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:02:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:02:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 17:02:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 17:02:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:02:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:02:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:27,571 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:27,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:28,084 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:28,253 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:28,253 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:02:28,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:28 BoogieIcfgContainer [2022-10-17 17:02:28,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:28,257 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:28,258 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:28,268 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:28,269 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:28" (1/1) ... [2022-10-17 17:02:28,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2022-10-17 17:02:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-10-17 17:02:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:02:28,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2022-10-17 17:02:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-10-17 17:02:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:28,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2022-10-17 17:02:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-10-17 17:02:28,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:28,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2022-10-17 17:02:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2022-10-17 17:02:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:29,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2022-10-17 17:02:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2022-10-17 17:02:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:29,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2022-10-17 17:02:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-10-17 17:02:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:02:29,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 89 states and 130 transitions. [2022-10-17 17:02:29,851 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2022-10-17 17:02:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:02:29,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 90 states and 131 transitions. [2022-10-17 17:02:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2022-10-17 17:02:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:30,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 169 transitions. [2022-10-17 17:02:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2022-10-17 17:02:30,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:02:30,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 211 transitions. [2022-10-17 17:02:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2022-10-17 17:02:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:02:32,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 127 states and 214 transitions. [2022-10-17 17:02:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2022-10-17 17:02:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:33,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 141 states and 241 transitions. [2022-10-17 17:02:35,731 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 241 transitions. [2022-10-17 17:02:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:02:35,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:35,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 145 states and 261 transitions. [2022-10-17 17:02:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2022-10-17 17:02:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:36,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 151 states and 275 transitions. [2022-10-17 17:02:37,221 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 275 transitions. [2022-10-17 17:02:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:02:37,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 154 states and 281 transitions. [2022-10-17 17:02:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2022-10-17 17:02:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:02:37,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 156 states and 284 transitions. [2022-10-17 17:02:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 284 transitions. [2022-10-17 17:02:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:02:37,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:02:38,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 158 states and 288 transitions. [2022-10-17 17:02:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2022-10-17 17:02:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:02:38,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:38,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:02:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 291 transitions. [2022-10-17 17:02:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 291 transitions. [2022-10-17 17:02:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:02:38,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:38,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:02:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 171 states and 329 transitions. [2022-10-17 17:02:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2022-10-17 17:02:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:02:40,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:40,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:02:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 181 states and 368 transitions. [2022-10-17 17:02:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 368 transitions. [2022-10-17 17:02:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:02:43,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:02:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 184 states and 384 transitions. [2022-10-17 17:02:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 384 transitions. [2022-10-17 17:02:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:02:43,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:02:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 191 states and 397 transitions. [2022-10-17 17:02:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 397 transitions. [2022-10-17 17:02:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 17:02:47,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:47,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-17 17:02:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:47,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 196 states and 406 transitions. [2022-10-17 17:02:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 406 transitions. [2022-10-17 17:02:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 17:02:47,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 17:02:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 199 states and 411 transitions. [2022-10-17 17:02:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 411 transitions. [2022-10-17 17:02:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:02:48,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:02:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 204 states and 421 transitions. [2022-10-17 17:02:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 421 transitions. [2022-10-17 17:02:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:02:49,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:49,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 17:02:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 217 states and 442 transitions. [2022-10-17 17:02:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 442 transitions. [2022-10-17 17:02:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:02:51,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:02:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 226 states and 464 transitions. [2022-10-17 17:02:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 464 transitions. [2022-10-17 17:02:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 17:02:54,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.