./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.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_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/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_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/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_8fc387b4-4a4d-4992-8707-74aa64410461/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 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 --- 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 16:35:52,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:52,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:52,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:52,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:52,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:52,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:52,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:52,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:52,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:52,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:52,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:52,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:52,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:52,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:52,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:52,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:52,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:52,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:52,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:52,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:52,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:52,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:52,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:52,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:52,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:52,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:52,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:52,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:52,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:52,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:52,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:52,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:52,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:52,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:52,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:52,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:52,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:52,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:52,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:52,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:52,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:35:52,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:52,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:52,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:52,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:52,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:52,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:52,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:52,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:52,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:52,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:52,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:52,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:52,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:52,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:52,218 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:52,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:52,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:52,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:52,219 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:52,219 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:52,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:52,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:52,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:52,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:52,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:52,245 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:52,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:52,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:52,246 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_8fc387b4-4a4d-4992-8707-74aa64410461/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2022-10-17 16:35:52,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:52,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:52,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:52,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:52,611 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:52,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-10-17 16:35:52,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/data/979ac4f18/b27a182ab9144e30bb66c6f31ba993c1/FLAG5a3e06d52 [2022-10-17 16:35:53,230 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:53,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-10-17 16:35:53,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/data/979ac4f18/b27a182ab9144e30bb66c6f31ba993c1/FLAG5a3e06d52 [2022-10-17 16:35:53,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/data/979ac4f18/b27a182ab9144e30bb66c6f31ba993c1 [2022-10-17 16:35:53,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:53,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:53,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:53,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:53,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:53,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:53,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54daff16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53, skipping insertion in model container [2022-10-17 16:35:53,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:53,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:53,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:53,844 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_8fc387b4-4a4d-4992-8707-74aa64410461/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-10-17 16:35:53,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:53,944 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:53,978 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_8fc387b4-4a4d-4992-8707-74aa64410461/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-10-17 16:35:54,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:54,030 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:54,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54 WrapperNode [2022-10-17 16:35:54,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:54,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:54,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:54,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:54,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,090 INFO L138 Inliner]: procedures = 57, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 280 [2022-10-17 16:35:54,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:54,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:54,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:54,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:54,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:54,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:54,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:54,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:54,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:54" (1/1) ... [2022-10-17 16:35:54,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:54,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:54,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc387b4-4a4d-4992-8707-74aa64410461/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:35:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:35:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:35:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:35:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:35:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:35:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:35:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:35:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 16:35:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 16:35:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:35:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:35:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:35:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:35:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:35:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:35:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:35:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:35:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:35:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:35:54,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:54,347 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:54,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:54,869 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:55,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:55,073 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:35:55,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:55 BoogieIcfgContainer [2022-10-17 16:35:55,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:55,077 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:55,077 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:55,090 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:55,090 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:55" (1/1) ... [2022-10-17 16:35:55,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2022-10-17 16:35:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-10-17 16:35:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:55,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:55,514 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 16:35:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:55,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2022-10-17 16:35:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-10-17 16:35:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:35:55,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:55,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:55,808 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 16:35:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2022-10-17 16:35:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2022-10-17 16:35:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:35:55,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:55,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:56,030 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 16:35:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2022-10-17 16:35:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2022-10-17 16:35:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:35:56,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:56,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:56,350 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 16:35:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2022-10-17 16:35:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2022-10-17 16:35:56,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:35:56,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:56,521 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 16:35:56,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2022-10-17 16:35:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2022-10-17 16:35:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:35:56,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:56,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:56,741 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 16:35:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 143 transitions. [2022-10-17 16:35:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2022-10-17 16:35:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:35:57,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:57,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:57,212 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 16:35:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 101 states and 144 transitions. [2022-10-17 16:35:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2022-10-17 16:35:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:35:57,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:57,377 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 16:35:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 145 transitions. [2022-10-17 16:35:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2022-10-17 16:35:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:35:57,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:57,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:57,512 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 16:35:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 144 transitions. [2022-10-17 16:35:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2022-10-17 16:35:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:35:57,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:57,673 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 16:35:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 148 transitions. [2022-10-17 16:35:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2022-10-17 16:35:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:35:57,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:57,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:57,985 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 16:35:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 186 transitions. [2022-10-17 16:35:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 186 transitions. [2022-10-17 16:35:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:35:58,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:59,120 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 16:36:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 134 states and 212 transitions. [2022-10-17 16:36:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 212 transitions. [2022-10-17 16:36:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:36:00,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:00,540 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 16:36:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 135 states and 213 transitions. [2022-10-17 16:36:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 213 transitions. [2022-10-17 16:36:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:36:00,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:00,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:01,022 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 16:36:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 214 transitions. [2022-10-17 16:36:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 214 transitions. [2022-10-17 16:36:01,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:36:01,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:01,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,003 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 16:36:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 155 states and 260 transitions. [2022-10-17 16:36:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2022-10-17 16:36:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:36:04,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,834 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 16:36:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 270 transitions. [2022-10-17 16:36:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 270 transitions. [2022-10-17 16:36:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:36:06,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,542 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 16:36:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 165 states and 280 transitions. [2022-10-17 16:36:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 280 transitions. [2022-10-17 16:36:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:36:06,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,932 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 16:36:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 166 states and 281 transitions. [2022-10-17 16:36:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2022-10-17 16:36:07,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:36:07,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,079 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 16:36:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 171 states and 291 transitions. [2022-10-17 16:36:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 291 transitions. [2022-10-17 16:36:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:36:07,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,499 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 16:36:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:08,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 174 states and 297 transitions. [2022-10-17 16:36:08,125 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 297 transitions. [2022-10-17 16:36:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:36:08,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 185 states and 335 transitions. [2022-10-17 16:36:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 335 transitions. [2022-10-17 16:36:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:36:10,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 186 states and 337 transitions. [2022-10-17 16:36:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 337 transitions. [2022-10-17 16:36:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:36:11,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:36:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 188 states and 345 transitions. [2022-10-17 16:36:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 345 transitions. [2022-10-17 16:36:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:36:13,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:36:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 190 states and 359 transitions. [2022-10-17 16:36:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 359 transitions. [2022-10-17 16:36:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:36:14,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:36:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 192 states and 376 transitions. [2022-10-17 16:36:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 376 transitions. [2022-10-17 16:36:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:36:15,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:36:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 203 states and 397 transitions. [2022-10-17 16:36:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 397 transitions. [2022-10-17 16:36:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:36:18,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:18,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-17 16:36:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:18,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 204 states and 398 transitions. [2022-10-17 16:36:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 398 transitions. [2022-10-17 16:36:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:36:18,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.