./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/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_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/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_2c844afd-dff5-47e2-8a17-00525d8e3c40/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:22:45,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:22:45,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:22:45,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:22:45,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:22:45,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:22:45,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:22:45,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:22:45,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:22:45,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:22:45,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:22:45,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:22:45,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:22:45,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:22:45,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:22:45,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:22:45,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:22:45,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:22:45,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:22:45,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:22:45,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:22:45,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:22:45,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:22:45,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:22:45,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:22:45,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:22:45,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:22:45,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:22:45,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:22:45,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:22:45,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:22:45,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:22:45,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:22:45,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:22:45,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:22:45,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:22:45,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:22:45,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:22:45,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:22:45,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:22:45,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:22:45,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:22:45,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:22:45,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:22:45,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:22:45,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:22:45,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:22:45,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:22:45,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:22:45,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:22:45,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:22:45,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:22:45,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:22:45,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:22:45,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:22:45,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:22:45,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:22:45,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:22:45,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:22:45,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:22:45,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:22:45,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:22:45,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:22:45,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:45,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:22:45,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:22:45,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:22:45,190 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:22:45,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:22:45,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:22:45,191 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_2c844afd-dff5-47e2-8a17-00525d8e3c40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2021-11-23 00:22:45,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:22:45,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:22:45,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:22:45,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:22:45,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:22:45,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-11-23 00:22:45,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/data/f4d24ef75/af1adf6f9c94487f9bc29ebfb274fa87/FLAG0ea2b2535 [2021-11-23 00:22:46,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:22:46,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-11-23 00:22:46,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/data/f4d24ef75/af1adf6f9c94487f9bc29ebfb274fa87/FLAG0ea2b2535 [2021-11-23 00:22:46,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/data/f4d24ef75/af1adf6f9c94487f9bc29ebfb274fa87 [2021-11-23 00:22:46,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:22:46,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:22:46,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:46,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:22:46,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:22:46,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa81de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46, skipping insertion in model container [2021-11-23 00:22:46,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:22:46,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:22:46,727 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_2c844afd-dff5-47e2-8a17-00525d8e3c40/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-11-23 00:22:46,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:46,820 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:22:46,850 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_2c844afd-dff5-47e2-8a17-00525d8e3c40/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-11-23 00:22:46,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:22:46,905 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:22:46,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46 WrapperNode [2021-11-23 00:22:46,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:22:46,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:46,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:22:46,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:22:46,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,958 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 241 [2021-11-23 00:22:46,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:22:46,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:22:46,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:22:46,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:22:46,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:22:46,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:22:46,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:22:46,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:22:46,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:46" (1/1) ... [2021-11-23 00:22:46,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:22:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:22:47,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:22:47,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:22:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:22:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:22:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:22:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:22:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:22:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:22:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:22:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:22:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:22:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:22:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:22:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:22:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:22:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:22:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:22:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:22:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:22:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:22:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:22:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:22:47,146 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:22:47,148 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:22:47,490 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:22:47,564 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:22:47,565 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:22:47,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:47 BoogieIcfgContainer [2021-11-23 00:22:47,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:22:47,575 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:22:47,575 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:22:47,584 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:22:47,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:47" (1/1) ... [2021-11-23 00:22:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:22:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2021-11-23 00:22:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2021-11-23 00:22:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:22:47,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:47,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-23 00:22:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-23 00:22:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:22:47,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:47,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2021-11-23 00:22:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2021-11-23 00:22:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:22:48,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:48,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 78 states and 107 transitions. [2021-11-23 00:22:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-11-23 00:22:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:22:48,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:48,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2021-11-23 00:22:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2021-11-23 00:22:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:22:48,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:48,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 89 states and 131 transitions. [2021-11-23 00:22:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2021-11-23 00:22:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:22:49,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:49,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2021-11-23 00:22:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2021-11-23 00:22:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:22:49,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:49,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 92 states and 136 transitions. [2021-11-23 00:22:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions. [2021-11-23 00:22:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:22:49,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:49,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:22:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 100 states and 149 transitions. [2021-11-23 00:22:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2021-11-23 00:22:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:22:50,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:50,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 105 states and 159 transitions. [2021-11-23 00:22:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2021-11-23 00:22:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:22:50,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:50,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 187 transitions. [2021-11-23 00:22:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2021-11-23 00:22:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:22:51,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:51,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 193 transitions. [2021-11-23 00:22:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 193 transitions. [2021-11-23 00:22:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:22:52,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:22:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 124 states and 207 transitions. [2021-11-23 00:22:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2021-11-23 00:22:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:22:52,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:52,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 129 states and 220 transitions. [2021-11-23 00:22:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 220 transitions. [2021-11-23 00:22:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:22:54,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:54,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:55,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 136 states and 235 transitions. [2021-11-23 00:22:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 235 transitions. [2021-11-23 00:22:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:22:55,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:55,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 141 states and 245 transitions. [2021-11-23 00:22:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2021-11-23 00:22:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:22:56,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:56,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 142 states and 246 transitions. [2021-11-23 00:22:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2021-11-23 00:22:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:22:56,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:56,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 150 states and 266 transitions. [2021-11-23 00:22:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2021-11-23 00:22:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:22:57,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:57,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 152 states and 270 transitions. [2021-11-23 00:22:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 270 transitions. [2021-11-23 00:22:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:22:57,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:57,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:22:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 154 states and 274 transitions. [2021-11-23 00:22:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 274 transitions. [2021-11-23 00:22:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:22:58,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 157 states and 281 transitions. [2021-11-23 00:22:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 281 transitions. [2021-11-23 00:22:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:22:58,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:58,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:22:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:22:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 160 states and 288 transitions. [2021-11-23 00:22:59,302 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2021-11-23 00:22:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:22:59,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:22:59,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:22:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:22:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 176 states and 329 transitions. [2021-11-23 00:23:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 329 transitions. [2021-11-23 00:23:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:23:02,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:23:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 177 states and 330 transitions. [2021-11-23 00:23:02,164 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 330 transitions. [2021-11-23 00:23:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:23:02,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:02,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 178 states and 335 transitions. [2021-11-23 00:23:02,398 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 335 transitions. [2021-11-23 00:23:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:23:02,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:02,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 202 states and 407 transitions. [2021-11-23 00:23:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 407 transitions. [2021-11-23 00:23:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:23:12,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:12,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 225 states and 479 transitions. [2021-11-23 00:23:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 479 transitions. [2021-11-23 00:23:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:23:23,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:23,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 235 states and 515 transitions. [2021-11-23 00:23:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 515 transitions. [2021-11-23 00:23:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:23:29,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:29,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:31,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 238 states and 528 transitions. [2021-11-23 00:23:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 528 transitions. [2021-11-23 00:23:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:23:31,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:31,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 241 states and 543 transitions. [2021-11-23 00:23:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 543 transitions. [2021-11-23 00:23:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:23:32,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 246 states and 557 transitions. [2021-11-23 00:23:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 557 transitions. [2021-11-23 00:23:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:23:35,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:35,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 251 states and 569 transitions. [2021-11-23 00:23:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 569 transitions. [2021-11-23 00:23:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:23:37,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:37,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:23:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 261 states and 607 transitions. [2021-11-23 00:23:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 607 transitions. [2021-11-23 00:23:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:23:45,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:45,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:23:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 268 states and 634 transitions. [2021-11-23 00:23:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 634 transitions. [2021-11-23 00:23:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:23:49,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:49,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:23:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 271 states and 648 transitions. [2021-11-23 00:23:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 648 transitions. [2021-11-23 00:23:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:23:52,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:52,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:23:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 272 states and 649 transitions. [2021-11-23 00:23:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 649 transitions. [2021-11-23 00:23:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:23:52,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:52,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:23:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 275 states and 659 transitions. [2021-11-23 00:23:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 659 transitions. [2021-11-23 00:23:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:23:53,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:53,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 278 states and 669 transitions. [2021-11-23 00:23:55,869 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 669 transitions. [2021-11-23 00:23:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:23:55,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:55,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:23:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 280 states and 679 transitions. [2021-11-23 00:23:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 679 transitions. [2021-11-23 00:23:56,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:23:56,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:56,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:24:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 282 states and 682 transitions. [2021-11-23 00:24:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 682 transitions. [2021-11-23 00:24:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:24:00,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:24:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 285 states and 688 transitions. [2021-11-23 00:24:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 688 transitions. [2021-11-23 00:24:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:24:01,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:24:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 286 states and 691 transitions. [2021-11-23 00:24:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 691 transitions. [2021-11-23 00:24:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:24:01,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 00:24:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 289 states and 697 transitions. [2021-11-23 00:24:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 697 transitions. [2021-11-23 00:24:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:24:02,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:24:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 290 states and 699 transitions. [2021-11-23 00:24:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 699 transitions. [2021-11-23 00:24:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:24:03,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:03,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:24:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 292 states and 703 transitions. [2021-11-23 00:24:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 703 transitions. [2021-11-23 00:24:04,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:24:04,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:04,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:04,642 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:24:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 293 states and 705 transitions. [2021-11-23 00:24:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 705 transitions. [2021-11-23 00:24:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:24:05,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:05,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:24:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 294 states and 709 transitions. [2021-11-23 00:24:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 709 transitions. [2021-11-23 00:24:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:24:06,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:06,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:24:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 296 states and 713 transitions. [2021-11-23 00:24:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 713 transitions. [2021-11-23 00:24:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:24:06,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:06,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 20 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:24:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 298 states and 717 transitions. [2021-11-23 00:24:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 717 transitions. [2021-11-23 00:24:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:24:07,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:07,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:24:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:08,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 299 states and 720 transitions. [2021-11-23 00:24:08,207 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 720 transitions. [2021-11-23 00:24:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:24:08,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:08,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:24:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 302 states and 725 transitions. [2021-11-23 00:24:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 725 transitions. [2021-11-23 00:24:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:24:09,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 00:24:09,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 303 states and 727 transitions. [2021-11-23 00:24:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 727 transitions. [2021-11-23 00:24:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:24:09,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 00:24:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 304 states and 727 transitions. [2021-11-23 00:24:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 727 transitions. [2021-11-23 00:24:10,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:24:10,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:10,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 26 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:24:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 309 states and 733 transitions. [2021-11-23 00:24:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 733 transitions. [2021-11-23 00:24:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:24:11,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:11,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 00:24:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 310 states and 734 transitions. [2021-11-23 00:24:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 734 transitions. [2021-11-23 00:24:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:24:12,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:12,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 00:24:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 311 states and 735 transitions. [2021-11-23 00:24:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 735 transitions. [2021-11-23 00:24:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:24:12,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:12,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:24:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 312 states and 732 transitions. [2021-11-23 00:24:13,591 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 732 transitions. [2021-11-23 00:24:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:24:13,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:13,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 00:24:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 310 states and 709 transitions. [2021-11-23 00:24:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 709 transitions. [2021-11-23 00:24:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:24:16,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:16,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-23 00:24:16,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 313 states and 714 transitions. [2021-11-23 00:24:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 714 transitions. [2021-11-23 00:24:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:24:16,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:16,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-23 00:24:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 316 states and 720 transitions. [2021-11-23 00:24:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 720 transitions. [2021-11-23 00:24:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 00:24:16,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:16,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-23 00:24:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 317 states and 724 transitions. [2021-11-23 00:24:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 724 transitions. [2021-11-23 00:24:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:24:17,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:17,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-23 00:24:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 318 states and 726 transitions. [2021-11-23 00:24:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 726 transitions. [2021-11-23 00:24:18,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:24:18,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:18,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-23 00:24:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 319 states and 727 transitions. [2021-11-23 00:24:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 727 transitions. [2021-11-23 00:24:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:24:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:18,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 41 proven. 52 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 00:24:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 336 states and 765 transitions. [2021-11-23 00:24:26,378 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 765 transitions. [2021-11-23 00:24:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:24:26,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:26,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 30 proven. 29 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-23 00:24:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 337 states and 768 transitions. [2021-11-23 00:24:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 768 transitions. [2021-11-23 00:24:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:24:26,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:26,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-23 00:24:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 338 states and 769 transitions. [2021-11-23 00:24:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 769 transitions. [2021-11-23 00:24:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:24:27,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-23 00:24:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 339 states and 770 transitions. [2021-11-23 00:24:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 770 transitions. [2021-11-23 00:24:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:24:27,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-23 00:24:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 340 states and 771 transitions. [2021-11-23 00:24:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 771 transitions. [2021-11-23 00:24:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:24:27,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:27,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 47 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 00:24:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 358 states and 838 transitions. [2021-11-23 00:24:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 838 transitions. [2021-11-23 00:24:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:24:40,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:40,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 47 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 00:24:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 370 states and 867 transitions. [2021-11-23 00:24:48,907 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 867 transitions. [2021-11-23 00:24:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:24:48,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:48,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 47 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 00:24:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 375 states and 873 transitions. [2021-11-23 00:24:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 873 transitions. [2021-11-23 00:24:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:24:51,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:51,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:24:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 387 states and 912 transitions. [2021-11-23 00:24:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 912 transitions. [2021-11-23 00:24:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:24:59,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:59,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:00,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:00,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:00,882 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:00,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:00,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:01,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:01,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:01,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:01,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:02,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:02,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:02,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:02,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:02,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:03,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:03,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 388 states and 915 transitions. [2021-11-23 00:25:03,809 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 915 transitions. [2021-11-23 00:25:03,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:03,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:03,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 388 states and 911 transitions. [2021-11-23 00:25:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 911 transitions. [2021-11-23 00:25:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:05,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:05,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 388 states and 911 transitions. [2021-11-23 00:25:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 911 transitions. [2021-11-23 00:25:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:06,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 51 proven. 22 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 00:25:10,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 397 states and 934 transitions. [2021-11-23 00:25:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 934 transitions. [2021-11-23 00:25:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:25:10,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-23 00:25:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 398 states and 935 transitions. [2021-11-23 00:25:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 935 transitions. [2021-11-23 00:25:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:25:11,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 00:25:12,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 400 states and 940 transitions. [2021-11-23 00:25:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 940 transitions. [2021-11-23 00:25:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:25:12,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-23 00:25:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 310 states and 659 transitions. [2021-11-23 00:25:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 659 transitions. [2021-11-23 00:25:13,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:25:13,212 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2021-11-23 00:25:13,221 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:25:14,369 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,372 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:25:14,376 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2021-11-23 00:25:14,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,380 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,380 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,380 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 00:25:14,382 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 00:25:14,383 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,383 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:25:14,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:25:14,385 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:25:14,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:25:14 ImpRootNode [2021-11-23 00:25:14,387 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:25:14,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:25:14,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:25:14,388 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:25:14,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:47" (3/4) ... [2021-11-23 00:25:14,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:25:14,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:25:14,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:25:14,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:25:14,394 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:25:14,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:25:14,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:25:14,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:25:14,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:25:14,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2021-11-23 00:25:14,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 00:25:14,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:25:14,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:25:14,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:25:14,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:25:14,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:25:14,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(methaneLevelCritical == 1)) || ((methaneLevelCritical == systemActive && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel)) || ((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(methaneLevelCritical == systemActive))) || ((waterLevel <= 1 && !(methaneLevelCritical == 0)) && !(methaneLevelCritical == systemActive))) || (!(methaneLevelCritical == 0) && 0 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(methaneLevelCritical == 1))) || (pumpRunning == \old(pumpRunning) && !(methaneLevelCritical == systemActive)) [2021-11-23 00:25:14,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:25:14,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(tmp == 0) && !(pumpRunning == 0)) || methaneLevelCritical == 0) || (!(tmp == 0) && !(\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel)))) || tmp == methaneLevelCritical) || 0 == systemActive [2021-11-23 00:25:14,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 || \old(waterLevel) == 1) || methaneLevelCritical == 0) || ((!(\old(pumpRunning) == 0) && !(methaneLevelCritical == 1)) && !(\old(waterLevel) <= 0))) || 0 == systemActive [2021-11-23 00:25:14,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:25:14,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:25:14,478 INFO L158 Benchmark]: Toolchain (without parser) took 148101.60ms. Allocated memory was 123.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 90.1MB in the beginning and 492.8MB in the end (delta: -402.7MB). Peak memory consumption was 610.5MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,478 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:25:14,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.95ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 91.8MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.79ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 89.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,480 INFO L158 Benchmark]: Boogie Preprocessor took 28.99ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,480 INFO L158 Benchmark]: RCFGBuilder took 585.63ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 66.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,481 INFO L158 Benchmark]: CodeCheck took 146812.08ms. Allocated memory was 123.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 66.7MB in the beginning and 499.1MB in the end (delta: -432.4MB). Peak memory consumption was 584.0MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,481 INFO L158 Benchmark]: Witness Printer took 89.88ms. Allocated memory is still 1.1GB. Free memory was 499.1MB in the beginning and 492.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:25:14,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 145.6s, 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, 63792 SdHoareTripleChecker+Valid, 215.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31181 mSDsluCounter, 53533 SdHoareTripleChecker+Invalid, 178.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43813 mSDsCounter, 50495 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160677 IncrementalHoareTripleChecker+Invalid, 211172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50495 mSolverCounterUnsat, 13852 mSDtfsCounter, 160677 mSolverCounterSat, 2.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94706 GetRequests, 93246 SyntacticMatches, 397 SemanticMatches, 1063 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575530 ImplicationChecksByTransitivity, 132.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 6872 NumberOfCodeBlocks, 6872 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 6785 ConstructedInterpolants, 0 QuantifiedInterpolants, 15715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 87 InterpolantComputations, 39 PerfectInterpolantSequences, 4431/5298 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: 472]: 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: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(methaneLevelCritical == 1)) || ((methaneLevelCritical == systemActive && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel)) || ((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(methaneLevelCritical == systemActive))) || ((waterLevel <= 1 && !(methaneLevelCritical == 0)) && !(methaneLevelCritical == systemActive))) || (!(methaneLevelCritical == 0) && 0 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(methaneLevelCritical == 1))) || (pumpRunning == \old(pumpRunning) && !(methaneLevelCritical == systemActive)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((((!(tmp == 0) && !(pumpRunning == 0)) || methaneLevelCritical == 0) || (!(tmp == 0) && !(\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel)))) || tmp == methaneLevelCritical) || 0 == systemActive - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 || \old(waterLevel) == 1) || methaneLevelCritical == 0) || ((!(\old(pumpRunning) == 0) && !(methaneLevelCritical == 1)) && !(\old(waterLevel) <= 0))) || 0 == systemActive - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: !(tmp == 0) || methaneLevelCritical == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.95ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 91.8MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.79ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 89.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.99ms. Allocated memory is still 123.7MB. Free memory was 89.3MB in the beginning and 87.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.63ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 66.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 146812.08ms. Allocated memory was 123.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 66.7MB in the beginning and 499.1MB in the end (delta: -432.4MB). Peak memory consumption was 584.0MB. Max. memory is 16.1GB. * Witness Printer took 89.88ms. Allocated memory is still 1.1GB. Free memory was 499.1MB in the beginning and 492.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:25:14,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c844afd-dff5-47e2-8a17-00525d8e3c40/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE