./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ --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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:22:49,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:22:49,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:22:49,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:22:49,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:22:49,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:22:49,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:22:49,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:22:49,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:22:49,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:22:49,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:22:49,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:22:49,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:22:49,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:22:49,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:22:49,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:22:49,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:22:49,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:22:49,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:22:49,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:22:49,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:22:49,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:22:49,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:22:49,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:22:49,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:22:49,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:22:49,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:22:49,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:22:49,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:22:49,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:22:49,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:22:49,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:22:49,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:22:49,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:22:49,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:22:49,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:22:49,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:22:49,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:22:49,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:22:49,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:22:49,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:22:49,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:22:49,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:22:49,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:22:49,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:22:49,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:22:49,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:22:49,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:22:49,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:22:49,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:22:49,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:22:49,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:22:49,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:22:49,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:22:49,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:22:49,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:22:49,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:22:49,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:22:49,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:22:49,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:22:49,431 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:22:49,431 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:22:49,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:22:49,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:49,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:22:49,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:22:49,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:22:49,432 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:22:49,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:22:49,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:22:49,433 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_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2021-11-23 00:22:49,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:22:49,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:22:49,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:22:49,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:22:49,714 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:22:49,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2021-11-23 00:22:49,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/data/3307a1e76/d5f27da4c94d4c6688407147d3d68ba8/FLAG4d34b152a [2021-11-23 00:22:50,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:22:50,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2021-11-23 00:22:50,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/data/3307a1e76/d5f27da4c94d4c6688407147d3d68ba8/FLAG4d34b152a [2021-11-23 00:22:50,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/data/3307a1e76/d5f27da4c94d4c6688407147d3d68ba8 [2021-11-23 00:22:50,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:22:50,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:22:50,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:50,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:22:50,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:22:50,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:50" (1/1) ... [2021-11-23 00:22:50,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac33dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:50, skipping insertion in model container [2021-11-23 00:22:50,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:50" (1/1) ... [2021-11-23 00:22:50,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:22:50,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:22:50,952 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_14c87931-950b-4bf1-b81c-ca81f6d0a14a/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2021-11-23 00:22:50,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:50,994 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:22:51,078 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_14c87931-950b-4bf1-b81c-ca81f6d0a14a/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2021-11-23 00:22:51,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:51,151 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:22:51,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51 WrapperNode [2021-11-23 00:22:51,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:51,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:51,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:22:51,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:22:51,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,233 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 244 [2021-11-23 00:22:51,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:51,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:22:51,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:22:51,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:22:51,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:22:51,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:22:51,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:22:51,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:22:51,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:51,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:51,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:22:51,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:22:51,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:22:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:22:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:22:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:22:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:22:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:22:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:22:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:22:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:22:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:22:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:22:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:22:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:22:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:22:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:22:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:22:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:22:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:22:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:22:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:22:51,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:22:51,461 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:22:51,463 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:22:51,846 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:22:51,976 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:22:51,976 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:22:51,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:51 BoogieIcfgContainer [2021-11-23 00:22:51,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:22:51,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:22:51,982 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:22:51,993 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:22:51,993 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:51" (1/1) ... [2021-11-23 00:22:52,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:22:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2021-11-23 00:22:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2021-11-23 00:22:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:22:52,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2021-11-23 00:22:52,355 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-11-23 00:22:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:22:52,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2021-11-23 00:22:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2021-11-23 00:22:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:22:52,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2021-11-23 00:22:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2021-11-23 00:22:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:22:52,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2021-11-23 00:22:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-11-23 00:22:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:22:52,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2021-11-23 00:22:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2021-11-23 00:22:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:22:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2021-11-23 00:22:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2021-11-23 00:22:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:22:52,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 99 states and 152 transitions. [2021-11-23 00:22:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2021-11-23 00:22:53,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:22:53,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:53,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 100 states and 153 transitions. [2021-11-23 00:22:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2021-11-23 00:22:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:22:53,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:53,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2021-11-23 00:22:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2021-11-23 00:22:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:22:54,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:54,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 215 transitions. [2021-11-23 00:22:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2021-11-23 00:22:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:22:54,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:54,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 216 transitions. [2021-11-23 00:22:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2021-11-23 00:22:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:22:55,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2021-11-23 00:22:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2021-11-23 00:22:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:22:55,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 227 transitions. [2021-11-23 00:22:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2021-11-23 00:22:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:22:55,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 142 states and 239 transitions. [2021-11-23 00:22:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2021-11-23 00:22:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:22:55,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 148 states and 252 transitions. [2021-11-23 00:22:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 252 transitions. [2021-11-23 00:22:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:22:55,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:55,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 152 states and 262 transitions. [2021-11-23 00:22:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 262 transitions. [2021-11-23 00:22:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:22:55,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 155 states and 270 transitions. [2021-11-23 00:22:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2021-11-23 00:22:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:22:55,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 278 transitions. [2021-11-23 00:22:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 278 transitions. [2021-11-23 00:22:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:22:55,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 162 states and 286 transitions. [2021-11-23 00:22:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2021-11-23 00:22:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:22:56,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:56,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 171 states and 307 transitions. [2021-11-23 00:22:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 307 transitions. [2021-11-23 00:22:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:22:56,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:56,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 172 states and 308 transitions. [2021-11-23 00:22:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 308 transitions. [2021-11-23 00:22:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:22:56,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:56,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 316 transitions. [2021-11-23 00:22:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 316 transitions. [2021-11-23 00:22:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:22:57,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:57,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:22:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 182 states and 328 transitions. [2021-11-23 00:22:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2021-11-23 00:22:57,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:22:57,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:57,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 189 states and 344 transitions. [2021-11-23 00:22:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 344 transitions. [2021-11-23 00:22:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:22:58,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:22:58,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 190 states and 344 transitions. [2021-11-23 00:22:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 344 transitions. [2021-11-23 00:22:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:22:58,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 191 states and 345 transitions. [2021-11-23 00:22:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 345 transitions. [2021-11-23 00:22:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:22:58,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 192 states and 346 transitions. [2021-11-23 00:22:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 346 transitions. [2021-11-23 00:22:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:22:58,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:22:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 193 states and 347 transitions. [2021-11-23 00:22:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 347 transitions. [2021-11-23 00:22:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:22:58,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 203 states and 368 transitions. [2021-11-23 00:22:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 368 transitions. [2021-11-23 00:22:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:22:59,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:59,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 210 states and 390 transitions. [2021-11-23 00:22:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 390 transitions. [2021-11-23 00:22:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:22:59,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:59,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:59,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 211 states and 390 transitions. [2021-11-23 00:22:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 390 transitions. [2021-11-23 00:22:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:22:59,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:59,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 221 states and 415 transitions. [2021-11-23 00:23:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 415 transitions. [2021-11-23 00:23:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:23:01,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:01,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 222 states and 416 transitions. [2021-11-23 00:23:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 416 transitions. [2021-11-23 00:23:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:23:02,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 223 states and 417 transitions. [2021-11-23 00:23:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 417 transitions. [2021-11-23 00:23:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:23:02,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 239 states and 459 transitions. [2021-11-23 00:23:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 459 transitions. [2021-11-23 00:23:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:23:04,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:04,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 240 states and 460 transitions. [2021-11-23 00:23:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 460 transitions. [2021-11-23 00:23:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:23:04,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:04,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 248 states and 478 transitions. [2021-11-23 00:23:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 478 transitions. [2021-11-23 00:23:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:23:05,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:05,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 253 states and 486 transitions. [2021-11-23 00:23:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 486 transitions. [2021-11-23 00:23:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:23:05,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:05,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 254 states and 489 transitions. [2021-11-23 00:23:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 489 transitions. [2021-11-23 00:23:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:23:05,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:05,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 256 states and 493 transitions. [2021-11-23 00:23:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 493 transitions. [2021-11-23 00:23:05,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:23:05,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:05,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 260 states and 501 transitions. [2021-11-23 00:23:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 501 transitions. [2021-11-23 00:23:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:23:06,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:06,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 261 states and 503 transitions. [2021-11-23 00:23:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 503 transitions. [2021-11-23 00:23:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:23:06,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:06,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 269 states and 529 transitions. [2021-11-23 00:23:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 529 transitions. [2021-11-23 00:23:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:23:06,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:06,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 274 states and 536 transitions. [2021-11-23 00:23:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 536 transitions. [2021-11-23 00:23:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:23:07,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:07,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:23:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 279 states and 554 transitions. [2021-11-23 00:23:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 554 transitions. [2021-11-23 00:23:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:23:07,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:07,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 283 states and 562 transitions. [2021-11-23 00:23:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 562 transitions. [2021-11-23 00:23:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:23:08,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:08,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:23:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 284 states and 563 transitions. [2021-11-23 00:23:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 563 transitions. [2021-11-23 00:23:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:23:08,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:08,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 285 states and 566 transitions. [2021-11-23 00:23:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 566 transitions. [2021-11-23 00:23:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:23:08,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:08,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 287 states and 568 transitions. [2021-11-23 00:23:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 568 transitions. [2021-11-23 00:23:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:23:08,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:08,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 290 states and 577 transitions. [2021-11-23 00:23:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 577 transitions. [2021-11-23 00:23:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:23:09,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:09,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:09,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 291 states and 578 transitions. [2021-11-23 00:23:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 578 transitions. [2021-11-23 00:23:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:23:09,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:09,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:23:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 296 states and 588 transitions. [2021-11-23 00:23:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 588 transitions. [2021-11-23 00:23:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:23:09,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:09,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:23:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 297 states and 589 transitions. [2021-11-23 00:23:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 589 transitions. [2021-11-23 00:23:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:23:09,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:09,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 304 states and 614 transitions. [2021-11-23 00:23:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 614 transitions. [2021-11-23 00:23:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:23:10,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:10,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 311 states and 633 transitions. [2021-11-23 00:23:11,681 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 633 transitions. [2021-11-23 00:23:11,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:23:11,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:11,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:11,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 309 states and 613 transitions. [2021-11-23 00:23:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 613 transitions. [2021-11-23 00:23:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:23:11,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:11,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 311 states and 621 transitions. [2021-11-23 00:23:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 621 transitions. [2021-11-23 00:23:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:23:12,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:12,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:23:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 312 states and 622 transitions. [2021-11-23 00:23:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 622 transitions. [2021-11-23 00:23:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:23:12,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:12,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:23:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 317 states and 633 transitions. [2021-11-23 00:23:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 633 transitions. [2021-11-23 00:23:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:23:12,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:12,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:23:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 318 states and 633 transitions. [2021-11-23 00:23:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 633 transitions. [2021-11-23 00:23:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:23:12,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:12,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:23:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 319 states and 634 transitions. [2021-11-23 00:23:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 634 transitions. [2021-11-23 00:23:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:23:12,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:12,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:23:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 320 states and 637 transitions. [2021-11-23 00:23:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 637 transitions. [2021-11-23 00:23:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:23:13,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:23:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 322 states and 640 transitions. [2021-11-23 00:23:13,260 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 640 transitions. [2021-11-23 00:23:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:23:13,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:23:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 325 states and 644 transitions. [2021-11-23 00:23:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 644 transitions. [2021-11-23 00:23:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:23:13,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:23:13,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 326 states and 644 transitions. [2021-11-23 00:23:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 644 transitions. [2021-11-23 00:23:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:23:13,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:23:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 327 states and 645 transitions. [2021-11-23 00:23:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 645 transitions. [2021-11-23 00:23:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:23:13,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 00:23:13,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 330 states and 650 transitions. [2021-11-23 00:23:13,482 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 650 transitions. [2021-11-23 00:23:13,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:23:13,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 00:23:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 331 states and 651 transitions. [2021-11-23 00:23:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 651 transitions. [2021-11-23 00:23:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:23:13,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:13,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 00:23:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 118 states and 154 transitions. [2021-11-23 00:23:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2021-11-23 00:23:13,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:23:13,582 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 70 iterations. [2021-11-23 00:23:13,590 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:23:13,883 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,886 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,886 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 00:23:13,890 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:23:13,891 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:23:13,892 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,892 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,892 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,892 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,892 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:23:13,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,893 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:23:13,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:23:13 ImpRootNode [2021-11-23 00:23:13,894 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:23:13,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:23:13,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:23:13,895 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:23:13,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:51" (3/4) ... [2021-11-23 00:23:13,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:23:13,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:23:13,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2021-11-23 00:23:13,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:23:13,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:23:13,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:23:13,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:23:13,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:23:13,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:23:13,937 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) [2021-11-23 00:23:13,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:23:13,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:23:13,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:23:13,982 INFO L158 Benchmark]: Toolchain (without parser) took 23357.07ms. Allocated memory was 98.6MB in the beginning and 251.7MB in the end (delta: 153.1MB). Free memory was 63.9MB in the beginning and 129.5MB in the end (delta: -65.6MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,983 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:13,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.53ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 65.4MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.12ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 62.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,984 INFO L158 Benchmark]: Boogie Preprocessor took 61.71ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,984 INFO L158 Benchmark]: RCFGBuilder took 678.21ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 61.5MB in the beginning and 91.4MB in the end (delta: -29.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,985 INFO L158 Benchmark]: CodeCheck took 21912.79ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 91.4MB in the beginning and 135.8MB in the end (delta: -44.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,985 INFO L158 Benchmark]: Witness Printer took 87.12ms. Allocated memory is still 251.7MB. Free memory was 135.8MB in the beginning and 129.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:23:13,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.6s, OverallIterations: 70, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38298 SdHoareTripleChecker+Valid, 63.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22790 mSDsluCounter, 48010 SdHoareTripleChecker+Invalid, 52.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40560 mSDsCounter, 13423 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45840 IncrementalHoareTripleChecker+Invalid, 59263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13423 mSolverCounterUnsat, 9872 mSDtfsCounter, 45840 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35006 GetRequests, 34629 SyntacticMatches, 11 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62336 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3261 NumberOfCodeBlocks, 3261 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 3192 ConstructedInterpolants, 0 QuantifiedInterpolants, 5958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 69 InterpolantComputations, 67 PerfectInterpolantSequences, 1148/1152 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 557]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.53ms. Allocated memory is still 98.6MB. Free memory was 63.7MB in the beginning and 65.4MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.12ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 62.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.71ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.21ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 61.5MB in the beginning and 91.4MB in the end (delta: -29.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * CodeCheck took 21912.79ms. Allocated memory was 119.5MB in the beginning and 251.7MB in the end (delta: 132.1MB). Free memory was 91.4MB in the beginning and 135.8MB in the end (delta: -44.3MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Witness Printer took 87.12ms. Allocated memory is still 251.7MB. Free memory was 135.8MB in the beginning and 129.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:23:14,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c87931-950b-4bf1-b81c-ca81f6d0a14a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE