./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.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_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/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_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/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_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/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 cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:57:13,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:57:13,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:57:13,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:57:13,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:57:13,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:57:13,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:57:13,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:57:13,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:57:13,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:57:13,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:57:13,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:57:13,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:57:13,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:57:13,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:57:13,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:57:13,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:57:13,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:57:13,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:57:13,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:57:13,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:57:13,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:57:13,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:57:13,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:57:13,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:57:13,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:57:13,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:57:13,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:57:13,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:57:13,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:57:13,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:57:13,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:57:13,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:57:13,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:57:13,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:57:13,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:57:13,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:57:13,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:57:13,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:57:13,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:57:13,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:57:13,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:57:13,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:57:13,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:57:13,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:57:13,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:57:13,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:57:13,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:57:13,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:57:13,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:57:13,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:57:13,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:57:13,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:57:13,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:57:13,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:57:13,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:57:13,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:57:13,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:57:13,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:57:13,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:57:13,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:57:13,244 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:57:13,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:57:13,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:13,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:57:13,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:57:13,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:57:13,246 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:57:13,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:57:13,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:57:13,247 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_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d [2021-11-23 00:57:13,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:57:13,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:57:13,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:57:13,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:57:13,641 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:57:13,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c [2021-11-23 00:57:13,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/data/7d55786a6/34fc8fe800bf4f778e543e386b7a6d85/FLAG083bf2fcb [2021-11-23 00:57:14,385 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:57:14,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c [2021-11-23 00:57:14,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/data/7d55786a6/34fc8fe800bf4f778e543e386b7a6d85/FLAG083bf2fcb [2021-11-23 00:57:14,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/data/7d55786a6/34fc8fe800bf4f778e543e386b7a6d85 [2021-11-23 00:57:14,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:57:14,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:57:14,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:14,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:57:14,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:57:14,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b58b091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:14, skipping insertion in model container [2021-11-23 00:57:14,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:57:14" (1/1) ... [2021-11-23 00:57:14,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:57:14,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:57:15,044 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_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c[6627,6640] [2021-11-23 00:57:15,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:15,151 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:57:15,189 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_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c[6627,6640] [2021-11-23 00:57:15,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:57:15,259 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:57:15,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15 WrapperNode [2021-11-23 00:57:15,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:57:15,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:15,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:57:15,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:57:15,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,336 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 233 [2021-11-23 00:57:15,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:57:15,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:57:15,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:57:15,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:57:15,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:57:15,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:57:15,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:57:15,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:57:15,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:57:15" (1/1) ... [2021-11-23 00:57:15,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:57:15,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:57:15,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:57:15,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:57:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:57:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:57:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:57:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:57:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:57:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:57:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:57:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:57:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:57:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:57:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:57:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:57:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:57:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:57:15,645 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:57:15,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:57:15,943 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:57:16,118 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:57:16,118 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:57:16,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:16 BoogieIcfgContainer [2021-11-23 00:57:16,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:57:16,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:57:16,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:57:16,134 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:57:16,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:16" (1/1) ... [2021-11-23 00:57:16,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:57:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2021-11-23 00:57:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2021-11-23 00:57:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:57:16,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,497 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 00:57:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2021-11-23 00:57:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-11-23 00:57:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:57:16,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:16,728 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 00:57:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2021-11-23 00:57:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-23 00:57:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:57:16,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:16,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:17,077 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 00:57:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2021-11-23 00:57:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2021-11-23 00:57:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:17,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:17,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:17,587 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 00:57:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 113 transitions. [2021-11-23 00:57:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 113 transitions. [2021-11-23 00:57:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:18,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:18,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:19,030 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 00:57:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 119 transitions. [2021-11-23 00:57:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 119 transitions. [2021-11-23 00:57:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:57:19,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:19,390 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 00:57:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2021-11-23 00:57:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2021-11-23 00:57:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:19,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:19,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:19,871 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 00:57:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 145 transitions. [2021-11-23 00:57:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 145 transitions. [2021-11-23 00:57:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:57:20,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:20,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:20,213 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 00:57:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 88 states and 158 transitions. [2021-11-23 00:57:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 158 transitions. [2021-11-23 00:57:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:57:20,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:20,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,036 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 00:57:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 91 states and 167 transitions. [2021-11-23 00:57:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 167 transitions. [2021-11-23 00:57:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:21,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,459 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 00:57:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 92 states and 167 transitions. [2021-11-23 00:57:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 167 transitions. [2021-11-23 00:57:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:57:21,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,594 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 00:57:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 93 states and 168 transitions. [2021-11-23 00:57:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2021-11-23 00:57:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:57:21,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 98 states and 178 transitions. [2021-11-23 00:57:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 178 transitions. [2021-11-23 00:57:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:21,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 103 states and 191 transitions. [2021-11-23 00:57:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 191 transitions. [2021-11-23 00:57:22,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:22,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:22,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 104 states and 193 transitions. [2021-11-23 00:57:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 193 transitions. [2021-11-23 00:57:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:22,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:22,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:22,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:22,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 107 states and 199 transitions. [2021-11-23 00:57:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 199 transitions. [2021-11-23 00:57:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:22,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:22,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 108 states and 200 transitions. [2021-11-23 00:57:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 200 transitions. [2021-11-23 00:57:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:57:22,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:22,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 122 states and 245 transitions. [2021-11-23 00:57:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2021-11-23 00:57:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:57:26,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:57:26,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 123 states and 246 transitions. [2021-11-23 00:57:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 246 transitions. [2021-11-23 00:57:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:57:26,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:26,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:27,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:27,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 252 transitions. [2021-11-23 00:57:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 252 transitions. [2021-11-23 00:57:27,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:27,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:27,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 137 states and 295 transitions. [2021-11-23 00:57:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 295 transitions. [2021-11-23 00:57:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:33,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:33,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 138 states and 301 transitions. [2021-11-23 00:57:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 301 transitions. [2021-11-23 00:57:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:34,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:34,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 142 states and 312 transitions. [2021-11-23 00:57:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 312 transitions. [2021-11-23 00:57:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:57:37,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:37,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 147 states and 329 transitions. [2021-11-23 00:57:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 329 transitions. [2021-11-23 00:57:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:40,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:40,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:40,933 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 156 states and 364 transitions. [2021-11-23 00:57:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 364 transitions. [2021-11-23 00:57:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:57:44,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:44,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 158 states and 367 transitions. [2021-11-23 00:57:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 367 transitions. [2021-11-23 00:57:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:57:45,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:45,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 163 states and 394 transitions. [2021-11-23 00:57:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 394 transitions. [2021-11-23 00:57:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:57:49,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:49,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:52,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 172 states and 421 transitions. [2021-11-23 00:57:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 421 transitions. [2021-11-23 00:57:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:57:52,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:52,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 173 states and 425 transitions. [2021-11-23 00:57:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 425 transitions. [2021-11-23 00:57:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:57:55,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:55,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 175 states and 426 transitions. [2021-11-23 00:57:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 426 transitions. [2021-11-23 00:57:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:57:56,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:56,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:57,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 177 states and 428 transitions. [2021-11-23 00:57:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 428 transitions. [2021-11-23 00:57:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:57:57,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 179 states and 432 transitions. [2021-11-23 00:58:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 432 transitions. [2021-11-23 00:58:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:58:00,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:00,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 180 states and 433 transitions. [2021-11-23 00:58:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 433 transitions. [2021-11-23 00:58:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:58:01,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:01,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 184 states and 447 transitions. [2021-11-23 00:58:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 447 transitions. [2021-11-23 00:58:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:58:03,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:03,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:05,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 187 states and 455 transitions. [2021-11-23 00:58:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 455 transitions. [2021-11-23 00:58:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:58:05,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:05,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 189 states and 458 transitions. [2021-11-23 00:58:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 458 transitions. [2021-11-23 00:58:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:58:06,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:06,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:06,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 191 states and 463 transitions. [2021-11-23 00:58:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 463 transitions. [2021-11-23 00:58:07,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:58:07,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:07,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 198 states and 473 transitions. [2021-11-23 00:58:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 473 transitions. [2021-11-23 00:58:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:58:12,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:12,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 198 states and 464 transitions. [2021-11-23 00:58:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 464 transitions. [2021-11-23 00:58:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:58:13,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:13,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 201 states and 468 transitions. [2021-11-23 00:58:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 468 transitions. [2021-11-23 00:58:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:58:15,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 201 states and 467 transitions. [2021-11-23 00:58:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 467 transitions. [2021-11-23 00:58:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:58:16,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:16,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 204 states and 471 transitions. [2021-11-23 00:58:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 471 transitions. [2021-11-23 00:58:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:58:18,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:58:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 206 states and 471 transitions. [2021-11-23 00:58:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 471 transitions. [2021-11-23 00:58:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:58:18,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:18,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:58:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 214 states and 498 transitions. [2021-11-23 00:58:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 498 transitions. [2021-11-23 00:58:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:58:23,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:23,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:58:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 219 states and 508 transitions. [2021-11-23 00:58:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 508 transitions. [2021-11-23 00:58:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:58:25,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:25,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 223 states and 515 transitions. [2021-11-23 00:58:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 515 transitions. [2021-11-23 00:58:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:58:26,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 224 states and 516 transitions. [2021-11-23 00:58:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 516 transitions. [2021-11-23 00:58:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:58:26,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 225 states and 518 transitions. [2021-11-23 00:58:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 518 transitions. [2021-11-23 00:58:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:58:26,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 226 states and 521 transitions. [2021-11-23 00:58:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 521 transitions. [2021-11-23 00:58:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:58:27,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:27,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 227 states and 522 transitions. [2021-11-23 00:58:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 522 transitions. [2021-11-23 00:58:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:58:28,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:28,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 226 states and 523 transitions. [2021-11-23 00:58:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 523 transitions. [2021-11-23 00:58:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:58:37,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:58:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 228 states and 523 transitions. [2021-11-23 00:58:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 523 transitions. [2021-11-23 00:58:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:58:40,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:40,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 248 states and 581 transitions. [2021-11-23 00:58:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 581 transitions. [2021-11-23 00:58:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:58:57,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 249 states and 581 transitions. [2021-11-23 00:58:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 581 transitions. [2021-11-23 00:58:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:58:57,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:58:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 252 states and 584 transitions. [2021-11-23 00:58:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 584 transitions. [2021-11-23 00:58:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:58:57,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:57,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 256 states and 588 transitions. [2021-11-23 00:59:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 588 transitions. [2021-11-23 00:59:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:59:06,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 261 states and 602 transitions. [2021-11-23 00:59:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 602 transitions. [2021-11-23 00:59:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:59:15,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:15,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 262 states and 602 transitions. [2021-11-23 00:59:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 602 transitions. [2021-11-23 00:59:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:59:21,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:21,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 265 states and 610 transitions. [2021-11-23 00:59:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 610 transitions. [2021-11-23 00:59:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:59:25,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:25,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 271 states and 625 transitions. [2021-11-23 00:59:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 625 transitions. [2021-11-23 00:59:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:59:27,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:27,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 275 states and 619 transitions. [2021-11-23 00:59:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 619 transitions. [2021-11-23 00:59:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:59:30,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:30,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 278 states and 625 transitions. [2021-11-23 00:59:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 625 transitions. [2021-11-23 00:59:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:59:32,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:32,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 279 states and 626 transitions. [2021-11-23 00:59:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 626 transitions. [2021-11-23 00:59:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:59:32,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:32,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 280 states and 627 transitions. [2021-11-23 00:59:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 627 transitions. [2021-11-23 00:59:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:59:33,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:33,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:59:33,219 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:59:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:59:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:59:33,362 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:59:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:59:33,479 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 64 iterations. [2021-11-23 00:59:33,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:59:33 ImpRootNode [2021-11-23 00:59:33,592 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:59:33,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:59:33,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:59:33,593 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:59:33,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:57:16" (3/4) ... [2021-11-23 00:59:33,595 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:59:33,790 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:59:33,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:59:33,792 INFO L158 Benchmark]: Toolchain (without parser) took 139116.13ms. Allocated memory was 113.2MB in the beginning and 861.9MB in the end (delta: 748.7MB). Free memory was 82.6MB in the beginning and 374.7MB in the end (delta: -292.0MB). Peak memory consumption was 456.4MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,792 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:59:33,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.06ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.14ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 77.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,794 INFO L158 Benchmark]: Boogie Preprocessor took 71.36ms. Allocated memory is still 113.2MB. Free memory was 77.9MB in the beginning and 76.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,794 INFO L158 Benchmark]: RCFGBuilder took 711.84ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 76.1MB in the beginning and 110.0MB in the end (delta: -33.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,795 INFO L158 Benchmark]: CodeCheck took 137469.44ms. Allocated memory was 136.3MB in the beginning and 861.9MB in the end (delta: 725.6MB). Free memory was 109.3MB in the beginning and 381.0MB in the end (delta: -271.6MB). Peak memory consumption was 454.0MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,795 INFO L158 Benchmark]: Witness Printer took 198.75ms. Allocated memory is still 861.9MB. Free memory was 381.0MB in the beginning and 374.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:59:33,798 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 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 137.3s, OverallIterations: 64, 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, 27574 SdHoareTripleChecker+Valid, 118.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16662 mSDsluCounter, 26543 SdHoareTripleChecker+Invalid, 99.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22129 mSDsCounter, 18899 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65076 IncrementalHoareTripleChecker+Invalid, 83975 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18899 mSolverCounterUnsat, 6192 mSDtfsCounter, 65076 mSolverCounterSat, 1.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30754 GetRequests, 29019 SyntacticMatches, 873 SemanticMatches, 862 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458832 ImplicationChecksByTransitivity, 124.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 2220 NumberOfCodeBlocks, 2220 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 2100 ConstructedInterpolants, 0 QuantifiedInterpolants, 11969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 63 InterpolantComputations, 33 PerfectInterpolantSequences, 431/959 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 - CounterExampleResult [Line: 447]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L621] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L819] int waterLevel = 1; [L820] int methaneLevelCritical = 0; [L385] int retValue_acc ; [L386] int tmp ; [L390] FCALL select_helpers() [L391] FCALL select_features() [L392] CALL, EXPR valid_product() [L434] int retValue_acc ; [L437] retValue_acc = 1 [L438] return (retValue_acc); [L392] RET, EXPR valid_product() [L392] tmp = valid_product() [L394] COND TRUE \read(tmp) [L396] FCALL setup() [L397] CALL runTest() [L376] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L78] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] COND TRUE waterLevel < 2 [L838] waterLevel = waterLevel + 1 [L78] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L304] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L141] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L170] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L173] COND TRUE ! pumpRunning [L175] CALL, EXPR isHighWaterLevel() [L267] int retValue_acc ; [L268] int tmp ; [L269] int tmp___0 ; [L273] CALL, EXPR isHighWaterSensorDry() [L899] int retValue_acc ; [L902] COND FALSE !(waterLevel < 2) [L906] retValue_acc = 0 [L907] return (retValue_acc); [L273] RET, EXPR isHighWaterSensorDry() [L273] tmp = isHighWaterSensorDry() [L275] COND FALSE !(\read(tmp)) [L278] tmp___0 = 1 [L280] retValue_acc = tmp___0 [L281] return (retValue_acc); [L175] RET, EXPR isHighWaterLevel() [L175] tmp = isHighWaterLevel() [L177] COND TRUE \read(tmp) [L179] CALL activatePump() [L198] pumpRunning = 1 [L179] RET activatePump() [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L919] CALL, EXPR getWaterLevel() [L890] int retValue_acc ; [L893] retValue_acc = waterLevel [L894] return (retValue_acc); [L919] RET, EXPR getWaterLevel() [L919] tmp = getWaterLevel() [L921] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L156] RET __utac_acc__Specification4_spec__1() [L113] RET timeShift() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=2] [L66] COND TRUE 1 VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=2] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L304] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L141] COND TRUE \read(pumpRunning) [L143] CALL lowerWaterLevel() [L825] COND TRUE waterLevel > 0 [L826] waterLevel = waterLevel - 1 [L143] RET lowerWaterLevel() [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L170] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L173] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L919] CALL, EXPR getWaterLevel() [L890] int retValue_acc ; [L893] retValue_acc = waterLevel [L894] return (retValue_acc); [L919] RET, EXPR getWaterLevel() [L919] tmp = getWaterLevel() [L921] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L156] RET __utac_acc__Specification4_spec__1() [L113] RET timeShift() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=1] [L66] COND TRUE 1 VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=1] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=35, tmp___2=-1, waterLevel=1] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L304] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L141] COND TRUE \read(pumpRunning) [L143] CALL lowerWaterLevel() [L825] COND TRUE waterLevel > 0 [L826] waterLevel = waterLevel - 1 [L143] RET lowerWaterLevel() [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L170] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L173] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L919] CALL, EXPR getWaterLevel() [L890] int retValue_acc ; [L893] retValue_acc = waterLevel [L894] return (retValue_acc); [L919] RET, EXPR getWaterLevel() [L919] tmp = getWaterLevel() [L921] COND TRUE tmp == 0 [L923] CALL, EXPR isPumpRunning() [L222] int retValue_acc ; [L225] retValue_acc = pumpRunning [L226] return (retValue_acc); [L923] RET, EXPR isPumpRunning() [L923] tmp___0 = isPumpRunning() [L925] COND TRUE \read(tmp___0) [L927] CALL __automaton_fail() [L447] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.06ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.14ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 77.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.36ms. Allocated memory is still 113.2MB. Free memory was 77.9MB in the beginning and 76.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.84ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 76.1MB in the beginning and 110.0MB in the end (delta: -33.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * CodeCheck took 137469.44ms. Allocated memory was 136.3MB in the beginning and 861.9MB in the end (delta: 725.6MB). Free memory was 109.3MB in the beginning and 381.0MB in the end (delta: -271.6MB). Peak memory consumption was 454.0MB. Max. memory is 16.1GB. * Witness Printer took 198.75ms. Allocated memory is still 861.9MB. Free memory was 381.0MB in the beginning and 374.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:59:33,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a95ebd0-714e-4ea0-9c90-78357b1c53b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE