./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 288d25dbf636d510765b70dd57b8dfe428e9c588 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:06,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:06,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:06,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:06,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:06,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:06,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:06,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:06,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:06,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:06,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:06,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:06,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:06,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:06,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:06,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:06,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:06,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:06,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:06,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:06,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:06,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:06,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:06,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:06,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:06,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:06,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:06,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:06,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:06,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:06,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:06,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:06,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:06,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:06,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:06,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:06,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:06,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:06,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:06,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:06,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:06,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:06,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:06,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:06,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:06,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:06,368 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:06,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:06,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:06,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:06,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:06,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:06,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:06,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:06,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:06,372 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:06,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:06,372 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:06,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:06,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:06,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:06,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:06,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:06,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:06,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:06,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:06,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:06,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:06,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:06,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:06,376 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_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288d25dbf636d510765b70dd57b8dfe428e9c588 [2021-10-11 00:27:06,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:06,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:06,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:06,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:06,673 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:06,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-11 00:27:06,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/data/6ffeb005b/4588f464eff14bd4b6328c27b4c4fb3e/FLAGd4f1633af [2021-10-11 00:27:07,306 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:07,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-11 00:27:07,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/data/6ffeb005b/4588f464eff14bd4b6328c27b4c4fb3e/FLAGd4f1633af [2021-10-11 00:27:07,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/data/6ffeb005b/4588f464eff14bd4b6328c27b4c4fb3e [2021-10-11 00:27:07,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:07,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:07,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:07,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:07,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:07,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:07" (1/1) ... [2021-10-11 00:27:07,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38aa0f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:07, skipping insertion in model container [2021-10-11 00:27:07,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:07" (1/1) ... [2021-10-11 00:27:07,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:07,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:08,005 WARN L226 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_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[16882,16895] [2021-10-11 00:27:08,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:08,036 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:08,123 WARN L226 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_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[16882,16895] [2021-10-11 00:27:08,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:08,183 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:08,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08 WrapperNode [2021-10-11 00:27:08,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:08,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:08,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:08,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:08,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:08,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:08,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:08,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:08,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... [2021-10-11 00:27:08,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:08,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:08,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:08,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:08,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:09,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:09,434 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 00:27:09,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:09 BoogieIcfgContainer [2021-10-11 00:27:09,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:09,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:09,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:09,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:09,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:07" (1/3) ... [2021-10-11 00:27:09,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b654af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:09, skipping insertion in model container [2021-10-11 00:27:09,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:08" (2/3) ... [2021-10-11 00:27:09,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b654af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:09, skipping insertion in model container [2021-10-11 00:27:09,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:09" (3/3) ... [2021-10-11 00:27:09,451 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2021-10-11 00:27:09,466 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:09,470 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:27:09,482 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:27:09,524 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:09,525 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:09,525 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:09,525 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:09,525 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:09,525 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:09,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:09,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:09,552 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 00:27:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:27:09,560 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:09,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:09,561 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:09,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:09,568 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2021-10-11 00:27:09,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:09,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439582939] [2021-10-11 00:27:09,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:09,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439582939] [2021-10-11 00:27:09,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:09,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:09,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113226506] [2021-10-11 00:27:09,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:09,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:09,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:09,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:09,965 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 00:27:10,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:10,024 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-11 00:27:10,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:10,026 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:27:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:10,041 INFO L225 Difference]: With dead ends: 228 [2021-10-11 00:27:10,042 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 00:27:10,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 00:27:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 00:27:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 00:27:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-11 00:27:10,091 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-11 00:27:10,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:10,091 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-11 00:27:10,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-11 00:27:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:27:10,093 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:10,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:10,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:10,094 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:10,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:10,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2021-10-11 00:27:10,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:10,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139572791] [2021-10-11 00:27:10,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:10,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139572791] [2021-10-11 00:27:10,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:10,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:10,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916141975] [2021-10-11 00:27:10,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:10,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:10,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:10,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:10,195 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-10-11 00:27:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:10,207 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 00:27:10,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:10,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:27:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:10,212 INFO L225 Difference]: With dead ends: 113 [2021-10-11 00:27:10,213 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:27:10,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:10,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:27:10,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 00:27:10,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:27:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 00:27:10,222 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-11 00:27:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:10,223 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 00:27:10,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 00:27:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:27:10,224 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:10,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:10,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:10,225 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:10,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2021-10-11 00:27:10,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:10,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315404542] [2021-10-11 00:27:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:10,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315404542] [2021-10-11 00:27:10,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:10,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:10,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246334418] [2021-10-11 00:27:10,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:10,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:10,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:10,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:10,354 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 00:27:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:10,369 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-11 00:27:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:10,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:27:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:10,371 INFO L225 Difference]: With dead ends: 88 [2021-10-11 00:27:10,371 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:27:10,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:10,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:27:10,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 00:27:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:27:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 00:27:10,383 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-11 00:27:10,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:10,383 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 00:27:10,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 00:27:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:27:10,385 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:10,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:10,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:27:10,385 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:10,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:10,386 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2021-10-11 00:27:10,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:10,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954668930] [2021-10-11 00:27:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:10,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954668930] [2021-10-11 00:27:10,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:10,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:10,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14707980] [2021-10-11 00:27:10,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:10,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:10,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:10,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:10,473 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 00:27:10,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:10,504 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-11 00:27:10,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:10,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:27:10,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:10,506 INFO L225 Difference]: With dead ends: 111 [2021-10-11 00:27:10,506 INFO L226 Difference]: Without dead ends: 70 [2021-10-11 00:27:10,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:10,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-11 00:27:10,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-11 00:27:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-10-11 00:27:10,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-11 00:27:10,516 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-11 00:27:10,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:10,517 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-11 00:27:10,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-11 00:27:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:27:10,518 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:10,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:10,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:27:10,519 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:10,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:10,520 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2021-10-11 00:27:10,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:10,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633133141] [2021-10-11 00:27:10,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:10,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633133141] [2021-10-11 00:27:10,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:10,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:10,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555596366] [2021-10-11 00:27:10,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:10,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:10,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:10,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:10,627 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2021-10-11 00:27:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:10,749 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-11 00:27:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:27:10,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:27:10,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:10,751 INFO L225 Difference]: With dead ends: 183 [2021-10-11 00:27:10,753 INFO L226 Difference]: Without dead ends: 121 [2021-10-11 00:27:10,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:10,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-11 00:27:10,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-11 00:27:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-10-11 00:27:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-11 00:27:10,769 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-11 00:27:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:10,770 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-11 00:27:10,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-11 00:27:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:27:10,773 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:10,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:10,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:27:10,773 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:10,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:10,774 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2021-10-11 00:27:10,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:10,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5832376] [2021-10-11 00:27:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:10,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5832376] [2021-10-11 00:27:10,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:10,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:10,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576188949] [2021-10-11 00:27:10,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:10,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:10,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:10,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:10,872 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2021-10-11 00:27:11,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:11,015 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-11 00:27:11,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:27:11,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:27:11,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:11,019 INFO L225 Difference]: With dead ends: 373 [2021-10-11 00:27:11,019 INFO L226 Difference]: Without dead ends: 305 [2021-10-11 00:27:11,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:27:11,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-11 00:27:11,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-11 00:27:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2021-10-11 00:27:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-11 00:27:11,039 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-11 00:27:11,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:11,040 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-11 00:27:11,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-11 00:27:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:11,042 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:11,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:27:11,043 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2021-10-11 00:27:11,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877909598] [2021-10-11 00:27:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:11,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877909598] [2021-10-11 00:27:11,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:11,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:11,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682978540] [2021-10-11 00:27:11,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:27:11,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:11,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:27:11,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:27:11,099 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2021-10-11 00:27:11,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:11,182 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-11 00:27:11,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:27:11,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 00:27:11,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:11,184 INFO L225 Difference]: With dead ends: 250 [2021-10-11 00:27:11,185 INFO L226 Difference]: Without dead ends: 182 [2021-10-11 00:27:11,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:27:11,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-11 00:27:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-11 00:27:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2021-10-11 00:27:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-11 00:27:11,204 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-11 00:27:11,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:11,204 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-11 00:27:11,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:27:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-11 00:27:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:11,206 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:11,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:27:11,207 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2021-10-11 00:27:11,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817430833] [2021-10-11 00:27:11,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:11,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817430833] [2021-10-11 00:27:11,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:11,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:11,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451182541] [2021-10-11 00:27:11,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:27:11,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:11,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:27:11,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:27:11,256 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2021-10-11 00:27:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:11,313 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-11 00:27:11,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:11,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 00:27:11,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:11,316 INFO L225 Difference]: With dead ends: 422 [2021-10-11 00:27:11,317 INFO L226 Difference]: Without dead ends: 295 [2021-10-11 00:27:11,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:11,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-11 00:27:11,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-11 00:27:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2021-10-11 00:27:11,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-11 00:27:11,334 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-11 00:27:11,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:11,334 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-11 00:27:11,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:27:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-11 00:27:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:11,336 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:11,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:27:11,337 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2021-10-11 00:27:11,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173786217] [2021-10-11 00:27:11,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:11,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173786217] [2021-10-11 00:27:11,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:11,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:27:11,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346708038] [2021-10-11 00:27:11,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:27:11,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:11,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:27:11,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:27:11,400 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2021-10-11 00:27:11,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:11,597 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2021-10-11 00:27:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 00:27:11,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-10-11 00:27:11,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:11,599 INFO L225 Difference]: With dead ends: 506 [2021-10-11 00:27:11,600 INFO L226 Difference]: Without dead ends: 339 [2021-10-11 00:27:11,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:27:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-10-11 00:27:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2021-10-11 00:27:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 00:27:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-11 00:27:11,625 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-11 00:27:11,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:11,627 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-11 00:27:11,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:27:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-11 00:27:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:11,632 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:11,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:27:11,633 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,633 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2021-10-11 00:27:11,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76765208] [2021-10-11 00:27:11,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:11,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76765208] [2021-10-11 00:27:11,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:11,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:11,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176591674] [2021-10-11 00:27:11,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:11,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:11,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:11,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:11,713 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 5 states. [2021-10-11 00:27:11,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:11,790 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-11 00:27:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:11,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:27:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:11,793 INFO L225 Difference]: With dead ends: 385 [2021-10-11 00:27:11,793 INFO L226 Difference]: Without dead ends: 239 [2021-10-11 00:27:11,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:11,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-11 00:27:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-11 00:27:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 00:27:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-11 00:27:11,808 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-11 00:27:11,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:11,809 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-11 00:27:11,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-11 00:27:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 00:27:11,811 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:11,811 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:27:11,811 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2021-10-11 00:27:11,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752948645] [2021-10-11 00:27:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:27:11,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752948645] [2021-10-11 00:27:11,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:11,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:11,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789632183] [2021-10-11 00:27:11,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:11,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:11,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:11,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:11,875 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2021-10-11 00:27:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:11,929 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-11 00:27:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:11,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-10-11 00:27:11,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:11,931 INFO L225 Difference]: With dead ends: 281 [2021-10-11 00:27:11,932 INFO L226 Difference]: Without dead ends: 173 [2021-10-11 00:27:11,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:11,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-11 00:27:11,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-11 00:27:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-10-11 00:27:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-11 00:27:11,946 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-11 00:27:11,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:11,946 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-11 00:27:11,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-11 00:27:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:27:11,948 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:11,948 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:11,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:27:11,948 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:11,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:11,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2021-10-11 00:27:11,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:11,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521922400] [2021-10-11 00:27:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:12,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521922400] [2021-10-11 00:27:12,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:12,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:12,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014879439] [2021-10-11 00:27:12,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:12,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:12,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:12,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:12,030 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2021-10-11 00:27:12,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:12,163 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-11 00:27:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:27:12,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 00:27:12,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:12,168 INFO L225 Difference]: With dead ends: 633 [2021-10-11 00:27:12,169 INFO L226 Difference]: Without dead ends: 515 [2021-10-11 00:27:12,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:27:12,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-11 00:27:12,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-11 00:27:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2021-10-11 00:27:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-11 00:27:12,215 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-11 00:27:12,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:12,215 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-11 00:27:12,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-11 00:27:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 00:27:12,217 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:12,217 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:12,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:27:12,217 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:12,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:12,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2021-10-11 00:27:12,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:12,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065682698] [2021-10-11 00:27:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 00:27:12,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065682698] [2021-10-11 00:27:12,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071375396] [2021-10-11 00:27:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:27:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:12,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:27:12,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 00:27:12,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:27:12,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-10-11 00:27:12,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799403208] [2021-10-11 00:27:12,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 00:27:12,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:12,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 00:27:12,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:27:12,635 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2021-10-11 00:27:12,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:12,949 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-11 00:27:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:27:12,950 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2021-10-11 00:27:12,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:12,952 INFO L225 Difference]: With dead ends: 580 [2021-10-11 00:27:12,952 INFO L226 Difference]: Without dead ends: 346 [2021-10-11 00:27:12,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-10-11 00:27:12,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-11 00:27:12,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-11 00:27:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-10-11 00:27:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-11 00:27:12,985 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-11 00:27:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:12,987 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-11 00:27:12,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 00:27:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-11 00:27:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 00:27:12,988 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:12,988 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:13,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-11 00:27:13,203 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:13,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:13,203 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2021-10-11 00:27:13,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:13,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881376520] [2021-10-11 00:27:13,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:27:13,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881376520] [2021-10-11 00:27:13,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165918093] [2021-10-11 00:27:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:27:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:13,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:27:13,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:13,530 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:27:13,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:27:13,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-11 00:27:13,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117802953] [2021-10-11 00:27:13,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:27:13,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:13,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:27:13,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:13,531 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 7 states. [2021-10-11 00:27:13,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:13,761 INFO L93 Difference]: Finished difference Result 774 states and 972 transitions. [2021-10-11 00:27:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:27:13,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2021-10-11 00:27:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:13,762 INFO L225 Difference]: With dead ends: 774 [2021-10-11 00:27:13,762 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:27:13,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:27:13,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:27:13,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:27:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:27:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:27:13,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2021-10-11 00:27:13,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:13,764 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:13,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:27:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:27:13,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:27:13,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-11 00:27:13,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:27:14,307 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 121 [2021-10-11 00:27:14,447 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2021-10-11 00:27:14,557 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-10-11 00:27:15,041 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 169 [2021-10-11 00:27:15,383 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 121 [2021-10-11 00:27:15,872 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 144 [2021-10-11 00:27:16,719 WARN L197 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 51 [2021-10-11 00:27:17,250 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2021-10-11 00:27:17,579 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2021-10-11 00:27:17,822 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2021-10-11 00:27:18,729 WARN L197 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2021-10-11 00:27:19,278 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2021-10-11 00:27:19,410 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2021-10-11 00:27:19,542 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2021-10-11 00:27:19,971 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2021-10-11 00:27:20,199 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2021-10-11 00:27:20,870 WARN L197 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2021-10-11 00:27:20,873 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-11 00:27:20,873 INFO L262 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2021-10-11 00:27:20,873 INFO L262 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2021-10-11 00:27:20,873 INFO L262 CegarLoopResult]: For program point L862-2(line 862) no Hoare annotation was computed. [2021-10-11 00:27:20,874 INFO L258 CegarLoopResult]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse10 (not .cse7)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 .cse3 .cse7 .cse6) (and .cse1 .cse8 .cse9 .cse10 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12) (and .cse0 .cse3 .cse13 .cse7 .cse6) (and .cse8 .cse9 .cse10 .cse13 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12) (and .cse0 .cse2 .cse3 .cse13 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6)))) [2021-10-11 00:27:20,874 INFO L258 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2021-10-11 00:27:20,874 INFO L258 CegarLoopResult]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2021-10-11 00:27:20,874 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:20,874 INFO L258 CegarLoopResult]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:20,874 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:27:20,874 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-11 00:27:20,874 INFO L262 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2021-10-11 00:27:20,874 INFO L262 CegarLoopResult]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2021-10-11 00:27:20,875 INFO L258 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0) (= 1 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:27:20,875 INFO L258 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2021-10-11 00:27:20,875 INFO L262 CegarLoopResult]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2021-10-11 00:27:20,875 INFO L258 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2021-10-11 00:27:20,875 INFO L262 CegarLoopResult]: For program point L738(lines 738 749) no Hoare annotation was computed. [2021-10-11 00:27:20,875 INFO L258 CegarLoopResult]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse2 .cse3 .cse6 .cse8 (<= 2 ~waterLevel~0) .cse7 .cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (not .cse10) .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse10 .cse9))) [2021-10-11 00:27:20,875 INFO L258 CegarLoopResult]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2021-10-11 00:27:20,875 INFO L258 CegarLoopResult]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2021-10-11 00:27:20,876 INFO L258 CegarLoopResult]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6))) [2021-10-11 00:27:20,876 INFO L258 CegarLoopResult]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse13 (<= ~waterLevel~0 2)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (not .cse14)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse1 .cse3 .cse2 .cse5 .cse6 .cse8 .cse12 .cse13) (and .cse10 .cse11 .cse1 .cse3 .cse4 .cse2 .cse5 .cse6 .cse7 .cse8 .cse13) (and .cse0 .cse9 .cse3 .cse14 .cse8 .cse12) (and .cse0 .cse3 .cse4 .cse7 .cse14 .cse8) (and .cse0 .cse9 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse12)))) [2021-10-11 00:27:20,876 INFO L258 CegarLoopResult]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2021-10-11 00:27:20,876 INFO L258 CegarLoopResult]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2021-10-11 00:27:20,876 INFO L258 CegarLoopResult]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2021-10-11 00:27:20,876 INFO L258 CegarLoopResult]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2021-10-11 00:27:20,876 INFO L262 CegarLoopResult]: For program point L709(lines 708 753) no Hoare annotation was computed. [2021-10-11 00:27:20,876 INFO L262 CegarLoopResult]: For program point L710(lines 710 714) no Hoare annotation was computed. [2021-10-11 00:27:20,876 INFO L262 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2021-10-11 00:27:20,876 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2021-10-11 00:27:20,876 INFO L262 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-10-11 00:27:20,877 INFO L262 CegarLoopResult]: For program point L882(lines 882 895) no Hoare annotation was computed. [2021-10-11 00:27:20,878 INFO L258 CegarLoopResult]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse12 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse17 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse2 (not .cse15)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse18 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse3 .cse11 .cse12 .cse13 .cse14 .cse15 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 .cse7 .cse9) (and .cse16 .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse7 .cse14 .cse9 .cse17 .cse10 .cse2 .cse11 .cse18) (and (= ~waterLevel~0 1) .cse11 .cse3 .cse15 .cse9) (and .cse1 .cse17 .cse16 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse8 .cse18) (and .cse0 .cse1 .cse3 .cse6 .cse15 .cse9 .cse8)))) [2021-10-11 00:27:20,878 INFO L262 CegarLoopResult]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2021-10-11 00:27:20,878 INFO L258 CegarLoopResult]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2021-10-11 00:27:20,878 INFO L262 CegarLoopResult]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2021-10-11 00:27:20,878 INFO L258 CegarLoopResult]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2021-10-11 00:27:20,878 INFO L262 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2021-10-11 00:27:20,878 INFO L262 CegarLoopResult]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2021-10-11 00:27:20,878 INFO L262 CegarLoopResult]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2021-10-11 00:27:20,878 INFO L262 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (= ~waterLevel~0 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse15 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse16 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse17 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse2 .cse9 .cse7 .cse8 .cse10) (and .cse11 .cse2 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse4 .cse13 .cse14 .cse5 .cse6 .cse8) (and .cse1 .cse4 .cse2 .cse12 .cse13 .cse6 .cse10 (or (and .cse11 .cse14 .cse8) (and .cse9 .cse14 .cse8))) (and .cse15 .cse12 .cse4 .cse13 .cse16 .cse14 .cse8 .cse17 .cse10) (and .cse15 .cse4 .cse16 .cse9 .cse7 .cse8 .cse17 .cse10) (and .cse0 .cse15 .cse4 .cse16 .cse7 .cse8 .cse17))) [2021-10-11 00:27:20,879 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:27:20,879 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:27:20,879 INFO L262 CegarLoopResult]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L852(lines 843 856) the Hoare annotation is: false [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2021-10-11 00:27:20,879 INFO L262 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,879 INFO L258 CegarLoopResult]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L262 CegarLoopResult]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2021-10-11 00:27:20,880 INFO L258 CegarLoopResult]: At program point L754(lines 707 755) the Hoare annotation is: false [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L262 CegarLoopResult]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2021-10-11 00:27:20,881 INFO L258 CegarLoopResult]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:27:20,882 INFO L258 CegarLoopResult]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 2)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse9 .cse6 .cse10) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse9 .cse6) (and .cse1 .cse3 .cse8 .cse9 .cse6 .cse10) (and .cse1 .cse0 .cse3 .cse9 .cse6))) [2021-10-11 00:27:20,882 INFO L262 CegarLoopResult]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2021-10-11 00:27:20,882 INFO L258 CegarLoopResult]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2021-10-11 00:27:20,882 INFO L258 CegarLoopResult]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2021-10-11 00:27:20,882 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:27:20,882 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-10-11 00:27:20,882 INFO L258 CegarLoopResult]: At program point L693(lines 678 696) the Hoare annotation is: false [2021-10-11 00:27:20,882 INFO L258 CegarLoopResult]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse10)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not .cse14)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse3 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15)))) [2021-10-11 00:27:20,882 INFO L258 CegarLoopResult]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2021-10-11 00:27:20,883 INFO L258 CegarLoopResult]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2021-10-11 00:27:20,883 INFO L258 CegarLoopResult]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2021-10-11 00:27:20,883 INFO L258 CegarLoopResult]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2021-10-11 00:27:20,883 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:27:20,883 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:27:20,883 INFO L262 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-11 00:27:20,883 INFO L262 CegarLoopResult]: For program point L728(lines 728 734) no Hoare annotation was computed. [2021-10-11 00:27:20,883 INFO L258 CegarLoopResult]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse8 .cse9 .cse5 .cse6) (and .cse10 .cse2 .cse7 .cse9 .cse5) (and .cse2 .cse7 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse10 .cse2 .cse9 .cse5))) [2021-10-11 00:27:20,883 INFO L258 CegarLoopResult]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6))) [2021-10-11 00:27:20,883 INFO L258 CegarLoopResult]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2021-10-11 00:27:20,883 INFO L262 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2021-10-11 00:27:20,884 INFO L258 CegarLoopResult]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2021-10-11 00:27:20,884 INFO L262 CegarLoopResult]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2021-10-11 00:27:20,884 INFO L262 CegarLoopResult]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2021-10-11 00:27:20,884 INFO L262 CegarLoopResult]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2021-10-11 00:27:20,884 INFO L262 CegarLoopResult]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2021-10-11 00:27:20,884 INFO L262 CegarLoopResult]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2021-10-11 00:27:20,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:20 BoogieIcfgContainer [2021-10-11 00:27:20,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:20,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:20,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:20,925 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:20,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:09" (3/4) ... [2021-10-11 00:27:20,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:27:20,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:27:20,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:27:20,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:27:20,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:27:20,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:27:20,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:20,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:20,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((waterLevel <= 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 1 && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2021-10-11 00:27:20,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && waterLevel <= 2) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || ((2 <= waterLevel && tmp == 0) && splverifierCounter == 0)))) || ((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2021-10-11 00:27:20,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2021-10-11 00:27:20,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((((tmp == 1 && tmp___0 == 1) && 1 == systemActive) && \result == 1) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:27:20,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((\result == 0 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && \result == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:27:20,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == systemActive && tmp___0 == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == tmp) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 [2021-10-11 00:27:21,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc2cdc5-631c-4bba-aa1a-95d6006fbd10/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:27:21,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:21,047 INFO L168 Benchmark]: Toolchain (without parser) took 13426.14 ms. Allocated memory was 90.2 MB in the beginning and 285.2 MB in the end (delta: 195.0 MB). Free memory was 56.8 MB in the beginning and 116.9 MB in the end (delta: -60.1 MB). Peak memory consumption was 134.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,047 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 90.2 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:21,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.35 ms. Allocated memory is still 90.2 MB. Free memory was 56.6 MB in the beginning and 56.3 MB in the end (delta: 360.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.49 ms. Allocated memory is still 90.2 MB. Free memory was 56.3 MB in the beginning and 52.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,048 INFO L168 Benchmark]: Boogie Preprocessor took 47.17 ms. Allocated memory is still 90.2 MB. Free memory was 52.6 MB in the beginning and 49.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,048 INFO L168 Benchmark]: RCFGBuilder took 1120.15 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 49.7 MB in the beginning and 80.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,049 INFO L168 Benchmark]: TraceAbstraction took 11481.47 ms. Allocated memory was 113.2 MB in the beginning and 285.2 MB in the end (delta: 172.0 MB). Free memory was 80.6 MB in the beginning and 126.3 MB in the end (delta: -45.7 MB). Peak memory consumption was 135.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,049 INFO L168 Benchmark]: Witness Printer took 120.81 ms. Allocated memory is still 285.2 MB. Free memory was 126.3 MB in the beginning and 116.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:21,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 90.2 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.35 ms. Allocated memory is still 90.2 MB. Free memory was 56.6 MB in the beginning and 56.3 MB in the end (delta: 360.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.49 ms. Allocated memory is still 90.2 MB. Free memory was 56.3 MB in the beginning and 52.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.17 ms. Allocated memory is still 90.2 MB. Free memory was 52.6 MB in the beginning and 49.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1120.15 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 49.7 MB in the beginning and 80.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11481.47 ms. Allocated memory was 113.2 MB in the beginning and 285.2 MB in the end (delta: 172.0 MB). Free memory was 80.6 MB in the beginning and 126.3 MB in the end (delta: -45.7 MB). Peak memory consumption was 135.6 MB. Max. memory is 16.1 GB. * Witness Printer took 120.81 ms. Allocated memory is still 285.2 MB. Free memory was 126.3 MB in the beginning and 116.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && waterLevel <= 2) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || ((2 <= waterLevel && tmp == 0) && splverifierCounter == 0)))) || ((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((\result == 0 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && \result == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((1 == systemActive && tmp___0 == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == tmp) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((((tmp == 1 && tmp___0 == 1) && 1 == systemActive) && \result == 1) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((waterLevel <= 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 1 && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1372 SDtfs, 1934 SDslu, 2475 SDs, 0 SdLazy, 407 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 246 NumberOfFragments, 1520 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2610356 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 215572 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 54255 SizeOfPredicates, 6 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 62/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...