./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.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_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/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_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/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_2c933ca8-72c7-4383-9b2c-20432310b4c2/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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:42,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:42,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:42,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:42,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:42,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:42,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:43,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:43,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:43,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:43,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:43,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:43,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:43,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:43,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:43,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:43,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:43,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:43,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:43,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:43,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:43,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:43,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:43,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:43,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:43,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:43,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:43,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:43,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:43,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:43,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:43,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:43,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:43,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:43,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:43,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:43,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:43,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:43,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:43,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:43,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:43,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:43,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:43,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:43,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:43,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:43,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:43,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:43,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:43,107 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:43,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:43,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:43,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:43,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:43,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:43,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:43,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:43,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:43,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:43,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:43,110 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:43,110 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:43,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:43,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:43,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:43,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:43,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:43,112 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:43,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:43,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:43,113 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_2c933ca8-72c7-4383-9b2c-20432310b4c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2021-11-22 23:18:43,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:18:43,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:18:43,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:18:43,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:18:43,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:18:43,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-11-22 23:18:43,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/data/ba737d6c3/e9e45eef512d41e78ff3e662bf3d313b/FLAG78280768b [2021-11-22 23:18:44,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:18:44,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-11-22 23:18:44,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/data/ba737d6c3/e9e45eef512d41e78ff3e662bf3d313b/FLAG78280768b [2021-11-22 23:18:44,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/data/ba737d6c3/e9e45eef512d41e78ff3e662bf3d313b [2021-11-22 23:18:44,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:18:44,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:18:44,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:44,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:18:44,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:18:44,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbfb86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:44, skipping insertion in model container [2021-11-22 23:18:44,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:18:44" (1/1) ... [2021-11-22 23:18:44,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:18:44,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:18:44,813 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_2c933ca8-72c7-4383-9b2c-20432310b4c2/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-11-22 23:18:44,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:45,008 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:18:45,023 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_2c933ca8-72c7-4383-9b2c-20432310b4c2/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-11-22 23:18:45,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:18:45,136 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:18:45,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45 WrapperNode [2021-11-22 23:18:45,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:18:45,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:45,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:18:45,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:18:45,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,233 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 249 [2021-11-22 23:18:45,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:18:45,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:18:45,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:18:45,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:18:45,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:18:45,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:18:45,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:18:45,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:18:45,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:18:45" (1/1) ... [2021-11-22 23:18:45,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:45,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:18:45,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:18:45,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:18:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:18:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-22 23:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-22 23:18:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-22 23:18:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-22 23:18:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-22 23:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-22 23:18:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-22 23:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-22 23:18:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-22 23:18:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-22 23:18:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-22 23:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-22 23:18:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-22 23:18:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-22 23:18:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-22 23:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-22 23:18:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:18:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-22 23:18:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-22 23:18:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:18:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:18:45,465 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:18:45,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:18:45,822 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:18:46,017 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:18:46,017 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:18:46,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:46 BoogieIcfgContainer [2021-11-22 23:18:46,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:18:46,022 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:18:46,022 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:18:46,037 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:18:46,037 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:46" (1/1) ... [2021-11-22 23:18:46,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:18:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2021-11-22 23:18:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2021-11-22 23:18:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:18:46,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2021-11-22 23:18:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2021-11-22 23:18:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:18:46,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2021-11-22 23:18:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2021-11-22 23:18:46,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:46,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2021-11-22 23:18:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-11-22 23:18:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:18:46,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2021-11-22 23:18:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-11-22 23:18:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:46,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:46,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 86 states and 120 transitions. [2021-11-22 23:18:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2021-11-22 23:18:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:47,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 87 states and 121 transitions. [2021-11-22 23:18:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2021-11-22 23:18:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:18:47,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 104 states and 157 transitions. [2021-11-22 23:18:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2021-11-22 23:18:47,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:47,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 124 states and 200 transitions. [2021-11-22 23:18:48,627 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2021-11-22 23:18:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:48,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2021-11-22 23:18:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2021-11-22 23:18:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:49,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 134 states and 220 transitions. [2021-11-22 23:18:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 220 transitions. [2021-11-22 23:18:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:49,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 140 states and 241 transitions. [2021-11-22 23:18:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 241 transitions. [2021-11-22 23:18:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:49,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:49,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 145 states and 249 transitions. [2021-11-22 23:18:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 249 transitions. [2021-11-22 23:18:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:50,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 146 states and 250 transitions. [2021-11-22 23:18:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2021-11-22 23:18:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:50,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 147 states and 251 transitions. [2021-11-22 23:18:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 251 transitions. [2021-11-22 23:18:50,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:18:50,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 150 states and 259 transitions. [2021-11-22 23:18:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 259 transitions. [2021-11-22 23:18:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:18:50,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 271 transitions. [2021-11-22 23:18:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2021-11-22 23:18:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:18:50,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 162 states and 284 transitions. [2021-11-22 23:18:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2021-11-22 23:18:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:18:50,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:50,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 171 states and 305 transitions. [2021-11-22 23:18:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2021-11-22 23:18:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:51,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:51,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 314 transitions. [2021-11-22 23:18:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 314 transitions. [2021-11-22 23:18:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:18:52,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 177 states and 322 transitions. [2021-11-22 23:18:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 322 transitions. [2021-11-22 23:18:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:52,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:52,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 178 states and 323 transitions. [2021-11-22 23:18:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 323 transitions. [2021-11-22 23:18:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:18:53,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:53,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 185 states and 335 transitions. [2021-11-22 23:18:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 335 transitions. [2021-11-22 23:18:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:18:53,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 192 states and 351 transitions. [2021-11-22 23:18:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 351 transitions. [2021-11-22 23:18:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:18:53,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:18:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 193 states and 351 transitions. [2021-11-22 23:18:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 351 transitions. [2021-11-22 23:18:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:54,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 194 states and 352 transitions. [2021-11-22 23:18:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 352 transitions. [2021-11-22 23:18:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:18:54,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 204 states and 373 transitions. [2021-11-22 23:18:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 373 transitions. [2021-11-22 23:18:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:18:54,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 205 states and 374 transitions. [2021-11-22 23:18:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 374 transitions. [2021-11-22 23:18:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:54,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 212 states and 394 transitions. [2021-11-22 23:18:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 394 transitions. [2021-11-22 23:18:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:18:55,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:18:55,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 213 states and 395 transitions. [2021-11-22 23:18:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 395 transitions. [2021-11-22 23:18:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:18:55,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 214 states and 395 transitions. [2021-11-22 23:18:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 395 transitions. [2021-11-22 23:18:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:18:55,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:55,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 224 states and 418 transitions. [2021-11-22 23:18:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 418 transitions. [2021-11-22 23:18:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:18:57,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 225 states and 419 transitions. [2021-11-22 23:18:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 419 transitions. [2021-11-22 23:18:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:18:57,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:18:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 226 states and 420 transitions. [2021-11-22 23:18:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 420 transitions. [2021-11-22 23:18:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:18:57,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:57,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:18:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 242 states and 462 transitions. [2021-11-22 23:18:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 462 transitions. [2021-11-22 23:18:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:18:59,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:19:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 246 states and 472 transitions. [2021-11-22 23:19:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 472 transitions. [2021-11-22 23:19:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:19:00,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:19:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 247 states and 473 transitions. [2021-11-22 23:19:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 473 transitions. [2021-11-22 23:19:00,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:19:00,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:19:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 255 states and 500 transitions. [2021-11-22 23:19:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 500 transitions. [2021-11-22 23:19:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:19:00,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:00,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:19:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 260 states and 511 transitions. [2021-11-22 23:19:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 511 transitions. [2021-11-22 23:19:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:19:01,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:01,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 267 states and 524 transitions. [2021-11-22 23:19:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 524 transitions. [2021-11-22 23:19:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:19:02,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 269 states and 532 transitions. [2021-11-22 23:19:02,701 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 532 transitions. [2021-11-22 23:19:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:19:02,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 274 states and 539 transitions. [2021-11-22 23:19:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 539 transitions. [2021-11-22 23:19:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:19:03,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:19:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 275 states and 540 transitions. [2021-11-22 23:19:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 540 transitions. [2021-11-22 23:19:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:19:03,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 278 states and 549 transitions. [2021-11-22 23:19:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 549 transitions. [2021-11-22 23:19:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:19:03,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 279 states and 552 transitions. [2021-11-22 23:19:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 552 transitions. [2021-11-22 23:19:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:19:04,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:19:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 280 states and 552 transitions. [2021-11-22 23:19:04,232 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 552 transitions. [2021-11-22 23:19:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:19:04,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:19:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 281 states and 555 transitions. [2021-11-22 23:19:04,602 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 555 transitions. [2021-11-22 23:19:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:19:04,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 286 states and 573 transitions. [2021-11-22 23:19:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 573 transitions. [2021-11-22 23:19:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:19:05,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:05,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 289 states and 583 transitions. [2021-11-22 23:19:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 583 transitions. [2021-11-22 23:19:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:19:06,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 291 states and 585 transitions. [2021-11-22 23:19:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 585 transitions. [2021-11-22 23:19:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:19:06,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 296 states and 595 transitions. [2021-11-22 23:19:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 595 transitions. [2021-11-22 23:19:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:19:07,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 297 states and 596 transitions. [2021-11-22 23:19:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 596 transitions. [2021-11-22 23:19:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:19:07,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:19:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 298 states and 597 transitions. [2021-11-22 23:19:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 597 transitions. [2021-11-22 23:19:07,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:19:07,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 300 states and 599 transitions. [2021-11-22 23:19:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 599 transitions. [2021-11-22 23:19:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:19:07,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:19:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 301 states and 601 transitions. [2021-11-22 23:19:07,278 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 601 transitions. [2021-11-22 23:19:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:19:07,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:07,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 306 states and 609 transitions. [2021-11-22 23:19:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 609 transitions. [2021-11-22 23:19:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:19:07,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:07,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 307 states and 610 transitions. [2021-11-22 23:19:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 610 transitions. [2021-11-22 23:19:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:07,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:19:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 309 states and 613 transitions. [2021-11-22 23:19:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 613 transitions. [2021-11-22 23:19:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:19:07,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:19:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 312 states and 617 transitions. [2021-11-22 23:19:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 617 transitions. [2021-11-22 23:19:07,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:19:07,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:19:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 313 states and 617 transitions. [2021-11-22 23:19:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 617 transitions. [2021-11-22 23:19:07,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:19:07,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 314 states and 618 transitions. [2021-11-22 23:19:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 618 transitions. [2021-11-22 23:19:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:19:07,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:07,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:19:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 334 states and 666 transitions. [2021-11-22 23:19:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 666 transitions. [2021-11-22 23:19:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:19:15,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:19:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 335 states and 667 transitions. [2021-11-22 23:19:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 667 transitions. [2021-11-22 23:19:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:19:15,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:19:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 347 states and 682 transitions. [2021-11-22 23:19:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 682 transitions. [2021-11-22 23:19:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:19:22,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:22,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:19:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 359 states and 718 transitions. [2021-11-22 23:19:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 718 transitions. [2021-11-22 23:19:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:19:26,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:19:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 360 states and 719 transitions. [2021-11-22 23:19:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 719 transitions. [2021-11-22 23:19:26,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:19:26,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:19:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 361 states and 720 transitions. [2021-11-22 23:19:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 720 transitions. [2021-11-22 23:19:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:19:26,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:19:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 362 states and 721 transitions. [2021-11-22 23:19:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 721 transitions. [2021-11-22 23:19:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:19:26,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:19:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 363 states and 722 transitions. [2021-11-22 23:19:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 722 transitions. [2021-11-22 23:19:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:19:26,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:19:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 366 states and 727 transitions. [2021-11-22 23:19:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 727 transitions. [2021-11-22 23:19:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:19:26,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:19:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 367 states and 728 transitions. [2021-11-22 23:19:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 728 transitions. [2021-11-22 23:19:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:19:26,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:19:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 374 states and 737 transitions. [2021-11-22 23:19:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 737 transitions. [2021-11-22 23:19:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:19:27,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:27,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:19:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 370 states and 719 transitions. [2021-11-22 23:19:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 719 transitions. [2021-11-22 23:19:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:19:28,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:28,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:19:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 378 states and 730 transitions. [2021-11-22 23:19:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 730 transitions. [2021-11-22 23:19:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:19:30,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:19:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 379 states and 731 transitions. [2021-11-22 23:19:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 731 transitions. [2021-11-22 23:19:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:19:30,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:19:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 387 states and 748 transitions. [2021-11-22 23:19:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 748 transitions. [2021-11-22 23:19:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:19:30,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:30,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:19:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 395 states and 768 transitions. [2021-11-22 23:19:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 768 transitions. [2021-11-22 23:19:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:19:33,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:19:33,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 396 states and 769 transitions. [2021-11-22 23:19:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 769 transitions. [2021-11-22 23:19:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:19:33,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:19:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 402 states and 781 transitions. [2021-11-22 23:19:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 781 transitions. [2021-11-22 23:19:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:19:34,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:19:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 400 states and 777 transitions. [2021-11-22 23:19:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 777 transitions. [2021-11-22 23:19:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:19:34,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-22 23:19:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 401 states and 778 transitions. [2021-11-22 23:19:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 778 transitions. [2021-11-22 23:19:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:19:34,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-22 23:19:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 402 states and 779 transitions. [2021-11-22 23:19:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 779 transitions. [2021-11-22 23:19:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:19:34,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:19:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 407 states and 785 transitions. [2021-11-22 23:19:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 785 transitions. [2021-11-22 23:19:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:19:36,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:36,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:19:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 404 states and 778 transitions. [2021-11-22 23:19:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 778 transitions. [2021-11-22 23:19:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:19:38,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:19:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 400 states and 768 transitions. [2021-11-22 23:19:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 768 transitions. [2021-11-22 23:19:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:19:40,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:40,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:19:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 393 states and 751 transitions. [2021-11-22 23:19:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 751 transitions. [2021-11-22 23:19:41,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:19:41,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:19:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 395 states and 752 transitions. [2021-11-22 23:19:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 752 transitions. [2021-11-22 23:19:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:19:42,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-22 23:19:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 204 states and 302 transitions. [2021-11-22 23:19:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 302 transitions. [2021-11-22 23:19:43,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:19:43,423 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2021-11-22 23:19:43,440 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:19:44,051 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,056 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,056 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,056 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2021-11-22 23:19:44,062 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,063 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,063 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-22 23:19:44,064 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,064 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,064 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,064 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,065 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-22 23:19:44,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:19:44,066 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-22 23:19:44,066 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-22 23:19:44,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:19:44 ImpRootNode [2021-11-22 23:19:44,067 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:19:44,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:19:44,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:19:44,068 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:19:44,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:18:46" (3/4) ... [2021-11-22 23:19:44,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:19:44,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-22 23:19:44,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-22 23:19:44,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-22 23:19:44,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-22 23:19:44,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-22 23:19:44,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-22 23:19:44,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-22 23:19:44,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-22 23:19:44,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-22 23:19:44,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2021-11-22 23:19:44,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-22 23:19:44,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-22 23:19:44,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:19:44,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 23:19:44,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:19:44,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:19:44,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) || (!(1 == systemActive) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (!(pumpRunning == 0) && 1 == systemActive)) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2021-11-22 23:19:44,124 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-22 23:19:44,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:19:44,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:19:44,174 INFO L158 Benchmark]: Toolchain (without parser) took 59744.22ms. Allocated memory was 86.0MB in the beginning and 545.3MB in the end (delta: 459.3MB). Free memory was 50.5MB in the beginning and 407.9MB in the end (delta: -357.4MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,174 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:19:44,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.79ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 50.5MB in the beginning and 87.4MB in the end (delta: -36.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.05ms. Allocated memory is still 119.5MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,176 INFO L158 Benchmark]: Boogie Preprocessor took 49.48ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 83.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,176 INFO L158 Benchmark]: RCFGBuilder took 735.68ms. Allocated memory is still 119.5MB. Free memory was 83.3MB in the beginning and 94.1MB in the end (delta: -10.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,177 INFO L158 Benchmark]: CodeCheck took 58045.46ms. Allocated memory was 119.5MB in the beginning and 545.3MB in the end (delta: 425.7MB). Free memory was 94.1MB in the beginning and 415.3MB in the end (delta: -321.2MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,177 INFO L158 Benchmark]: Witness Printer took 104.92ms. Allocated memory is still 545.3MB. Free memory was 414.2MB in the beginning and 407.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:19:44,180 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 10 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.3s, OverallIterations: 88, 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, 60942 SdHoareTripleChecker+Valid, 126.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36452 mSDsluCounter, 74505 SdHoareTripleChecker+Invalid, 105.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63731 mSDsCounter, 24234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82307 IncrementalHoareTripleChecker+Invalid, 106541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24234 mSolverCounterUnsat, 13998 mSDtfsCounter, 82307 mSolverCounterSat, 2.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56518 GetRequests, 55793 SyntacticMatches, 77 SemanticMatches, 648 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208469 ImplicationChecksByTransitivity, 48.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 4924 NumberOfCodeBlocks, 4924 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4837 ConstructedInterpolants, 0 QuantifiedInterpolants, 9161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 81 PerfectInterpolantSequences, 2129/2164 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: 54]: 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: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) || (!(1 == systemActive) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (!(pumpRunning == 0) && 1 == systemActive)) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (!(splverifierCounter == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.79ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 50.5MB in the beginning and 87.4MB in the end (delta: -36.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.05ms. Allocated memory is still 119.5MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.48ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 83.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.68ms. Allocated memory is still 119.5MB. Free memory was 83.3MB in the beginning and 94.1MB in the end (delta: -10.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * CodeCheck took 58045.46ms. Allocated memory was 119.5MB in the beginning and 545.3MB in the end (delta: 425.7MB). Free memory was 94.1MB in the beginning and 415.3MB in the end (delta: -321.2MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. * Witness Printer took 104.92ms. Allocated memory is still 545.3MB. Free memory was 414.2MB in the beginning and 407.9MB 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! [2021-11-22 23:19:44,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c933ca8-72c7-4383-9b2c-20432310b4c2/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