./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer --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 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:05:25,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:25,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:25,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:25,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:25,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:25,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:25,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:25,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:25,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:25,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:25,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:25,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:25,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:25,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:25,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:25,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:25,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:25,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:25,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:25,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:25,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:25,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:25,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:25,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:25,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:25,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:25,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:25,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:25,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:25,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:25,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:25,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:25,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:25,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:25,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:25,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:25,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:25,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:25,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:25,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:25,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:05:25,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:25,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:25,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:25,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:25,428 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:25,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:25,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:25,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:25,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:25,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:25,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:25,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:25,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:25,431 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:25,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:25,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:25,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:25,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:25,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:25,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:25,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:25,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:25,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:25,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:25,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:25,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:25,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:05:25,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:25,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:25,436 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-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda [2020-11-28 03:05:25,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:25,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:25,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:25,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:25,809 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:25,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-11-28 03:05:25,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/data/d6330cb88/e89ff5dbb9d54c81bda877c05eaf72ac/FLAG692ab6fc8 [2020-11-28 03:05:26,646 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:26,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-11-28 03:05:26,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/data/d6330cb88/e89ff5dbb9d54c81bda877c05eaf72ac/FLAG692ab6fc8 [2020-11-28 03:05:26,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/data/d6330cb88/e89ff5dbb9d54c81bda877c05eaf72ac [2020-11-28 03:05:26,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:26,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:26,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:26,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:26,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:26,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:26" (1/1) ... [2020-11-28 03:05:26,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0af51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:26, skipping insertion in model container [2020-11-28 03:05:26,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:26" (1/1) ... [2020-11-28 03:05:26,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:27,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:27,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:27,450 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:27,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:27,614 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:27,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27 WrapperNode [2020-11-28 03:05:27,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:27,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:27,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:27,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:27,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:27,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:27,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:27,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:27,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... [2020-11-28 03:05:27,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:27,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:27,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:27,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:27,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/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 [2020-11-28 03:05:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:29,247 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:29,248 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-28 03:05:29,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:29 BoogieIcfgContainer [2020-11-28 03:05:29,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:29,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:29,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:29,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:29,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:26" (1/3) ... [2020-11-28 03:05:29,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47dc5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:29, skipping insertion in model container [2020-11-28 03:05:29,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:27" (2/3) ... [2020-11-28 03:05:29,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47dc5a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:29, skipping insertion in model container [2020-11-28 03:05:29,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:29" (3/3) ... [2020-11-28 03:05:29,262 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2020-11-28 03:05:29,277 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:29,282 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:05:29,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:05:29,346 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:29,346 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:29,346 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:29,347 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:29,347 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:29,347 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:29,347 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:29,347 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-28 03:05:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:05:29,388 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:29,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:29,389 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:29,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:29,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1974105627, now seen corresponding path program 1 times [2020-11-28 03:05:29,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:29,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841669081] [2020-11-28 03:05:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:29,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841669081] [2020-11-28 03:05:29,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:29,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:29,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135159728] [2020-11-28 03:05:29,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:05:29,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:29,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:05:29,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:05:29,810 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-28 03:05:29,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:29,849 INFO L93 Difference]: Finished difference Result 279 states and 416 transitions. [2020-11-28 03:05:29,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:05:29,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:05:29,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:29,863 INFO L225 Difference]: With dead ends: 279 [2020-11-28 03:05:29,863 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 03:05:29,867 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 [2020-11-28 03:05:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 03:05:29,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-28 03:05:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-28 03:05:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-11-28 03:05:29,917 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-11-28 03:05:29,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:29,918 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-11-28 03:05:29,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:05:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-11-28 03:05:29,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:05:29,920 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:29,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:29,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:05:29,921 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:29,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1063074874, now seen corresponding path program 1 times [2020-11-28 03:05:29,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:29,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462876184] [2020-11-28 03:05:29,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:30,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462876184] [2020-11-28 03:05:30,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:30,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:05:30,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553876886] [2020-11-28 03:05:30,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:30,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:30,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:30,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:30,038 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-11-28 03:05:30,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:30,064 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-11-28 03:05:30,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:30,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:05:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:30,070 INFO L225 Difference]: With dead ends: 137 [2020-11-28 03:05:30,071 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:05:30,072 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 [2020-11-28 03:05:30,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:05:30,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:05:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:05:30,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-28 03:05:30,088 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-28 03:05:30,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:30,089 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-28 03:05:30,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-28 03:05:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:05:30,092 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:30,092 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] [2020-11-28 03:05:30,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:05:30,093 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:30,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2020-11-28 03:05:30,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:30,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126292832] [2020-11-28 03:05:30,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:30,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126292832] [2020-11-28 03:05:30,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:30,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:05:30,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039934290] [2020-11-28 03:05:30,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:05:30,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:30,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:05:30,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:05:30,306 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-11-28 03:05:30,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:30,597 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-11-28 03:05:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:05:30,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:05:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:30,600 INFO L225 Difference]: With dead ends: 104 [2020-11-28 03:05:30,600 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:05:30,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:05:30,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:05:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:05:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:05:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-28 03:05:30,608 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-28 03:05:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:30,608 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-28 03:05:30,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:05:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-28 03:05:30,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:05:30,610 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:30,610 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] [2020-11-28 03:05:30,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:05:30,611 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:30,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:30,611 INFO L82 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2020-11-28 03:05:30,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:30,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308844355] [2020-11-28 03:05:30,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:30,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308844355] [2020-11-28 03:05:30,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:30,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:30,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682570317] [2020-11-28 03:05:30,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:30,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:30,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:30,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:30,689 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-28 03:05:30,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:30,782 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-11-28 03:05:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:30,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:05:30,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:30,784 INFO L225 Difference]: With dead ends: 127 [2020-11-28 03:05:30,784 INFO L226 Difference]: Without dead ends: 78 [2020-11-28 03:05:30,785 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 [2020-11-28 03:05:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-11-28 03:05:30,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-11-28 03:05:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 03:05:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-11-28 03:05:30,799 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-11-28 03:05:30,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:30,800 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-11-28 03:05:30,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-11-28 03:05:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:05:30,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:30,806 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] [2020-11-28 03:05:30,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:05:30,807 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:30,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:30,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2020-11-28 03:05:30,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:30,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896392926] [2020-11-28 03:05:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:30,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896392926] [2020-11-28 03:05:30,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:30,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:05:30,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339340256] [2020-11-28 03:05:30,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:30,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:30,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:30,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:30,939 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-11-28 03:05:31,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:31,135 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-11-28 03:05:31,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:05:31,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:05:31,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:31,141 INFO L225 Difference]: With dead ends: 381 [2020-11-28 03:05:31,141 INFO L226 Difference]: Without dead ends: 311 [2020-11-28 03:05:31,144 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 [2020-11-28 03:05:31,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-28 03:05:31,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-11-28 03:05:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-11-28 03:05:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-11-28 03:05:31,180 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-11-28 03:05:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:31,181 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-11-28 03:05:31,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-11-28 03:05:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:05:31,184 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:31,184 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] [2020-11-28 03:05:31,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:05:31,185 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:31,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:31,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1777469548, now seen corresponding path program 1 times [2020-11-28 03:05:31,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:31,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819282033] [2020-11-28 03:05:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:31,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819282033] [2020-11-28 03:05:31,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:31,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:05:31,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519192611] [2020-11-28 03:05:31,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:05:31,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:31,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:05:31,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:05:31,289 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-11-28 03:05:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:31,453 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-11-28 03:05:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:05:31,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 03:05:31,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:31,455 INFO L225 Difference]: With dead ends: 254 [2020-11-28 03:05:31,455 INFO L226 Difference]: Without dead ends: 184 [2020-11-28 03:05:31,455 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 [2020-11-28 03:05:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-28 03:05:31,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-11-28 03:05:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-28 03:05:31,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-11-28 03:05:31,483 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-11-28 03:05:31,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:31,488 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-11-28 03:05:31,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:05:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-11-28 03:05:31,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:05:31,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:31,492 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] [2020-11-28 03:05:31,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:05:31,492 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:31,494 INFO L82 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2020-11-28 03:05:31,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:31,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170292201] [2020-11-28 03:05:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:31,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170292201] [2020-11-28 03:05:31,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:31,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:05:31,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375105113] [2020-11-28 03:05:31,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:05:31,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:31,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:05:31,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:05:31,587 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-11-28 03:05:31,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:31,674 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-11-28 03:05:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:05:31,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 03:05:31,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:31,680 INFO L225 Difference]: With dead ends: 505 [2020-11-28 03:05:31,681 INFO L226 Difference]: Without dead ends: 376 [2020-11-28 03:05:31,683 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 [2020-11-28 03:05:31,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-11-28 03:05:31,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-11-28 03:05:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-28 03:05:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-11-28 03:05:31,709 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-11-28 03:05:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:31,710 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-11-28 03:05:31,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:05:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-11-28 03:05:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:05:31,712 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:31,712 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] [2020-11-28 03:05:31,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:05:31,712 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:31,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:31,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2020-11-28 03:05:31,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:31,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166889343] [2020-11-28 03:05:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:31,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166889343] [2020-11-28 03:05:31,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:31,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:05:31,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80477835] [2020-11-28 03:05:31,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:05:31,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:31,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:05:31,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:05:31,831 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 7 states. [2020-11-28 03:05:32,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:32,090 INFO L93 Difference]: Finished difference Result 634 states and 889 transitions. [2020-11-28 03:05:32,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:05:32,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-11-28 03:05:32,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:32,095 INFO L225 Difference]: With dead ends: 634 [2020-11-28 03:05:32,095 INFO L226 Difference]: Without dead ends: 459 [2020-11-28 03:05:32,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:05:32,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-11-28 03:05:32,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 190. [2020-11-28 03:05:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-28 03:05:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-11-28 03:05:32,128 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-11-28 03:05:32,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:32,128 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-11-28 03:05:32,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:05:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-11-28 03:05:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:05:32,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:32,131 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, 1, 1, 1] [2020-11-28 03:05:32,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:05:32,132 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:32,132 INFO L82 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2020-11-28 03:05:32,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:32,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612493016] [2020-11-28 03:05:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:32,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612493016] [2020-11-28 03:05:32,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:32,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:05:32,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300640077] [2020-11-28 03:05:32,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:05:32,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:32,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:05:32,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:05:32,251 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-11-28 03:05:32,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:32,719 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-11-28 03:05:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-28 03:05:32,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-28 03:05:32,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:32,729 INFO L225 Difference]: With dead ends: 1391 [2020-11-28 03:05:32,729 INFO L226 Difference]: Without dead ends: 1207 [2020-11-28 03:05:32,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:05:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-11-28 03:05:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-11-28 03:05:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-28 03:05:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-11-28 03:05:32,797 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-11-28 03:05:32,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:32,799 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-11-28 03:05:32,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:05:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-11-28 03:05:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:05:32,801 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:32,802 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, 1, 1, 1] [2020-11-28 03:05:32,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:05:32,804 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:32,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:32,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2020-11-28 03:05:32,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:32,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164974973] [2020-11-28 03:05:32,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:32,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164974973] [2020-11-28 03:05:32,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:32,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:05:32,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340094814] [2020-11-28 03:05:32,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:05:32,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:32,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:05:32,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:05:32,955 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 7 states. [2020-11-28 03:05:33,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:33,416 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-11-28 03:05:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:05:33,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-11-28 03:05:33,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:33,425 INFO L225 Difference]: With dead ends: 1050 [2020-11-28 03:05:33,425 INFO L226 Difference]: Without dead ends: 696 [2020-11-28 03:05:33,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:05:33,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-11-28 03:05:33,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-11-28 03:05:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-28 03:05:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-11-28 03:05:33,473 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-11-28 03:05:33,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:33,474 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-11-28 03:05:33,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:05:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-11-28 03:05:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:05:33,475 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:33,475 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, 1, 1, 1, 1] [2020-11-28 03:05:33,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:05:33,476 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:33,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:33,477 INFO L82 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2020-11-28 03:05:33,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:33,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731044847] [2020-11-28 03:05:33,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:33,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731044847] [2020-11-28 03:05:33,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:33,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:05:33,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684715422] [2020-11-28 03:05:33,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:33,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:33,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:33,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:33,574 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 5 states. [2020-11-28 03:05:33,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:33,863 INFO L93 Difference]: Finished difference Result 745 states and 956 transitions. [2020-11-28 03:05:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:05:33,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-28 03:05:33,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:33,868 INFO L225 Difference]: With dead ends: 745 [2020-11-28 03:05:33,868 INFO L226 Difference]: Without dead ends: 445 [2020-11-28 03:05:33,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:05:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-11-28 03:05:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 286. [2020-11-28 03:05:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-28 03:05:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-11-28 03:05:33,911 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-11-28 03:05:33,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:33,911 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-11-28 03:05:33,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-11-28 03:05:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 03:05:33,913 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:33,914 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, 1, 1, 1, 1, 1] [2020-11-28 03:05:33,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:05:33,914 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:33,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:33,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1002384948, now seen corresponding path program 1 times [2020-11-28 03:05:33,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:33,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020103329] [2020-11-28 03:05:33,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:05:34,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020103329] [2020-11-28 03:05:34,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:34,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:05:34,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424997906] [2020-11-28 03:05:34,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:34,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:34,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:34,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:34,024 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-11-28 03:05:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:34,160 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-11-28 03:05:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:05:34,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-11-28 03:05:34,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:34,165 INFO L225 Difference]: With dead ends: 661 [2020-11-28 03:05:34,165 INFO L226 Difference]: Without dead ends: 381 [2020-11-28 03:05:34,166 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 [2020-11-28 03:05:34,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-11-28 03:05:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-11-28 03:05:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-11-28 03:05:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-11-28 03:05:34,205 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-11-28 03:05:34,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:34,206 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-11-28 03:05:34,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-11-28 03:05:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 03:05:34,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:34,208 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, 1, 1, 1, 1, 1] [2020-11-28 03:05:34,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:05:34,208 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:34,209 INFO L82 PathProgramCache]: Analyzing trace with hash 158379446, now seen corresponding path program 1 times [2020-11-28 03:05:34,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:34,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138610316] [2020-11-28 03:05:34,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:05:34,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138610316] [2020-11-28 03:05:34,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:34,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:05:34,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547549535] [2020-11-28 03:05:34,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:05:34,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:34,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:05:34,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:05:34,281 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 4 states. [2020-11-28 03:05:34,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:34,352 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-11-28 03:05:34,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:05:34,353 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-11-28 03:05:34,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:34,355 INFO L225 Difference]: With dead ends: 608 [2020-11-28 03:05:34,356 INFO L226 Difference]: Without dead ends: 328 [2020-11-28 03:05:34,356 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 [2020-11-28 03:05:34,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-11-28 03:05:34,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-11-28 03:05:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-28 03:05:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-11-28 03:05:34,387 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-11-28 03:05:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:34,387 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-11-28 03:05:34,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:05:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-11-28 03:05:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 03:05:34,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:34,389 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, 1, 1, 1, 1, 1] [2020-11-28 03:05:34,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:05:34,391 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:34,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:34,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2020-11-28 03:05:34,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:34,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095077688] [2020-11-28 03:05:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:34,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095077688] [2020-11-28 03:05:34,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:34,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:05:34,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648407188] [2020-11-28 03:05:34,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:34,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:34,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:34,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:34,486 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-11-28 03:05:34,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:34,658 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-11-28 03:05:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:05:34,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-11-28 03:05:34,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:34,662 INFO L225 Difference]: With dead ends: 622 [2020-11-28 03:05:34,662 INFO L226 Difference]: Without dead ends: 384 [2020-11-28 03:05:34,664 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 [2020-11-28 03:05:34,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-11-28 03:05:34,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-11-28 03:05:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-28 03:05:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-11-28 03:05:34,698 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-11-28 03:05:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:34,698 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-11-28 03:05:34,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-11-28 03:05:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:05:34,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:34,700 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, 1, 1, 1, 1, 1] [2020-11-28 03:05:34,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:05:34,700 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:34,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:34,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1733862597, now seen corresponding path program 1 times [2020-11-28 03:05:34,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:34,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724356110] [2020-11-28 03:05:34,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:05:34,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724356110] [2020-11-28 03:05:34,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:34,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:05:34,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890470790] [2020-11-28 03:05:34,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:05:34,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:34,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:05:34,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:34,777 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-11-28 03:05:34,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:34,881 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-11-28 03:05:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:05:34,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 03:05:34,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:34,884 INFO L225 Difference]: With dead ends: 514 [2020-11-28 03:05:34,884 INFO L226 Difference]: Without dead ends: 326 [2020-11-28 03:05:34,886 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 [2020-11-28 03:05:34,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-11-28 03:05:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-11-28 03:05:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-28 03:05:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-11-28 03:05:34,919 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-11-28 03:05:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:34,919 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-11-28 03:05:34,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:05:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-11-28 03:05:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:05:34,920 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:34,921 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, 1, 1, 1, 1, 1] [2020-11-28 03:05:34,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:05:34,921 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:34,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1992028035, now seen corresponding path program 1 times [2020-11-28 03:05:34,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:34,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546585848] [2020-11-28 03:05:34,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:05:35,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546585848] [2020-11-28 03:05:35,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950064972] [2020-11-28 03:05:35,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/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 [2020-11-28 03:05:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:35,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:05:35,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 03:05:35,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:05:35,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-28 03:05:35,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763157816] [2020-11-28 03:05:35,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:05:35,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:35,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:05:35,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:05:35,401 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-11-28 03:05:35,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:35,948 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-11-28 03:05:35,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:05:35,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:05:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:35,949 INFO L225 Difference]: With dead ends: 863 [2020-11-28 03:05:35,950 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:05:35,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:05:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:05:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:05:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:05:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:05:35,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-28 03:05:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:35,953 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:35,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:05:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:35,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:05:36,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-28 03:05:36,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:05:36,466 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 88 [2020-11-28 03:05:37,468 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 288 [2020-11-28 03:05:37,720 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 163 [2020-11-28 03:05:37,924 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 123 [2020-11-28 03:05:38,342 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 224 [2020-11-28 03:05:38,678 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 136 [2020-11-28 03:05:39,175 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 205 [2020-11-28 03:05:39,654 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 235 [2020-11-28 03:05:40,170 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2020-11-28 03:05:42,910 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 278 DAG size of output: 57 [2020-11-28 03:05:43,907 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-11-28 03:05:44,522 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2020-11-28 03:05:46,082 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-11-28 03:05:46,345 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-11-28 03:05:46,737 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-11-28 03:05:47,575 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-11-28 03:05:47,848 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-11-28 03:05:48,106 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-11-28 03:05:49,561 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2020-11-28 03:05:49,792 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-11-28 03:05:51,113 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L597-2(line 597) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L862(lines 862 873) no Hoare annotation was computed. [2020-11-28 03:05:51,117 INFO L274 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2020-11-28 03:05:51,118 INFO L274 CegarLoopResult]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2020-11-28 03:05:51,118 INFO L274 CegarLoopResult]: For program point L499-2(lines 499 505) no Hoare annotation was computed. [2020-11-28 03:05:51,118 INFO L274 CegarLoopResult]: For program point L499-3(lines 499 505) no Hoare annotation was computed. [2020-11-28 03:05:51,118 INFO L274 CegarLoopResult]: For program point L499-4(lines 499 505) no Hoare annotation was computed. [2020-11-28 03:05:51,118 INFO L274 CegarLoopResult]: For program point L499-5(lines 499 505) no Hoare annotation was computed. [2020-11-28 03:05:51,118 INFO L270 CegarLoopResult]: At program point L797(lines 782 800) the Hoare annotation is: false [2020-11-28 03:05:51,119 INFO L270 CegarLoopResult]: At program point L797-1(lines 782 800) the Hoare annotation is: (let ((.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not .cse15)) (.cse17 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse13 .cse3 .cse4 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse12 .cse0 .cse17 .cse13 .cse3 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10)))) [2020-11-28 03:05:51,119 INFO L270 CegarLoopResult]: At program point L797-2(lines 782 800) the Hoare annotation is: false [2020-11-28 03:05:51,119 INFO L270 CegarLoopResult]: At program point L797-3(lines 782 800) the Hoare annotation is: false [2020-11-28 03:05:51,119 INFO L270 CegarLoopResult]: At program point L797-4(lines 782 800) the Hoare annotation is: false [2020-11-28 03:05:51,119 INFO L270 CegarLoopResult]: At program point L797-5(lines 782 800) the Hoare annotation is: false [2020-11-28 03:05:51,119 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-11-28 03:05:51,119 INFO L270 CegarLoopResult]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-11-28 03:05:51,120 INFO L270 CegarLoopResult]: At program point L733(lines 726 736) the Hoare annotation is: false [2020-11-28 03:05:51,120 INFO L270 CegarLoopResult]: At program point L733-1(lines 726 736) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-11-28 03:05:51,120 INFO L270 CegarLoopResult]: At program point L733-2(lines 726 736) the Hoare annotation is: false [2020-11-28 03:05:51,120 INFO L270 CegarLoopResult]: At program point L733-3(lines 726 736) the Hoare annotation is: false [2020-11-28 03:05:51,120 INFO L270 CegarLoopResult]: At program point L733-4(lines 726 736) the Hoare annotation is: false [2020-11-28 03:05:51,120 INFO L274 CegarLoopResult]: For program point L568(lines 568 588) no Hoare annotation was computed. [2020-11-28 03:05:51,121 INFO L270 CegarLoopResult]: At program point L733-5(lines 726 736) the Hoare annotation is: false [2020-11-28 03:05:51,121 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 588) no Hoare annotation was computed. [2020-11-28 03:05:51,121 INFO L274 CegarLoopResult]: For program point L568-4(lines 568 588) no Hoare annotation was computed. [2020-11-28 03:05:51,121 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-11-28 03:05:51,122 INFO L274 CegarLoopResult]: For program point L833(lines 832 877) no Hoare annotation was computed. [2020-11-28 03:05:51,122 INFO L274 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-11-28 03:05:51,122 INFO L270 CegarLoopResult]: At program point L504(lines 495 508) the Hoare annotation is: false [2020-11-28 03:05:51,123 INFO L270 CegarLoopResult]: At program point L504-1(lines 495 508) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse2 .cse5 .cse6 .cse11 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse5 .cse6 .cse11 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-28 03:05:51,123 INFO L270 CegarLoopResult]: At program point L504-2(lines 495 508) the Hoare annotation is: false [2020-11-28 03:05:51,123 INFO L270 CegarLoopResult]: At program point L504-3(lines 495 508) the Hoare annotation is: false [2020-11-28 03:05:51,123 INFO L270 CegarLoopResult]: At program point L504-4(lines 495 508) the Hoare annotation is: false [2020-11-28 03:05:51,124 INFO L270 CegarLoopResult]: At program point L504-5(lines 495 508) the Hoare annotation is: false [2020-11-28 03:05:51,124 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-11-28 03:05:51,124 INFO L274 CegarLoopResult]: For program point L868-2(lines 613 619) no Hoare annotation was computed. [2020-11-28 03:05:51,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:51,124 INFO L274 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-11-28 03:05:51,125 INFO L274 CegarLoopResult]: For program point L902-1(lines 613 619) no Hoare annotation was computed. [2020-11-28 03:05:51,125 INFO L274 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-11-28 03:05:51,125 INFO L274 CegarLoopResult]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2020-11-28 03:05:51,125 INFO L274 CegarLoopResult]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2020-11-28 03:05:51,125 INFO L274 CegarLoopResult]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-11-28 03:05:51,125 INFO L277 CegarLoopResult]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-11-28 03:05:51,126 INFO L274 CegarLoopResult]: For program point L574(lines 574 587) no Hoare annotation was computed. [2020-11-28 03:05:51,126 INFO L270 CegarLoopResult]: At program point L574-1(lines 1 981) the Hoare annotation is: (let ((.cse19 (= ~pumpRunning~0 0))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse20 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse22 (= 1 ~systemActive~0)) (.cse25 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse23 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse17 (not .cse19)) (.cse18 (= ~methaneLevelCritical~0 0)) (.cse24 (<= |ULTIMATE.start_getWaterLevel_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse15 .cse4 .cse5 .cse16 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse10 .cse12 .cse11 .cse17 .cse18 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse4 .cse17 .cse22 .cse7 .cse8 .cse23) (and .cse20 .cse21 .cse15 .cse24 .cse22 .cse18 .cse25 .cse16 .cse19 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse0 .cse18 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse15 .cse4 .cse22 .cse25 .cse16 .cse7 .cse8 .cse23 .cse21 .cse17 .cse18 .cse24)))) [2020-11-28 03:05:51,127 INFO L274 CegarLoopResult]: For program point L574-2(lines 574 587) no Hoare annotation was computed. [2020-11-28 03:05:51,127 INFO L270 CegarLoopResult]: At program point L574-3(lines 1 981) the Hoare annotation is: false [2020-11-28 03:05:51,127 INFO L274 CegarLoopResult]: For program point L574-4(lines 574 587) no Hoare annotation was computed. [2020-11-28 03:05:51,127 INFO L270 CegarLoopResult]: At program point L574-5(lines 1 981) the Hoare annotation is: false [2020-11-28 03:05:51,127 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:05:51,127 INFO L274 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-11-28 03:05:51,127 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L274 CegarLoopResult]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L274 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L274 CegarLoopResult]: For program point L708-4(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L274 CegarLoopResult]: For program point L708-6(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L274 CegarLoopResult]: For program point L708-8(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L274 CegarLoopResult]: For program point L708-10(lines 708 714) no Hoare annotation was computed. [2020-11-28 03:05:51,128 INFO L270 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~6 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-11-28 03:05:51,128 INFO L270 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-11-28 03:05:51,129 INFO L270 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-11-28 03:05:51,129 INFO L270 CegarLoopResult]: At program point L544(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:05:51,129 INFO L274 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-11-28 03:05:51,129 INFO L270 CegarLoopResult]: At program point L842-1(lines 842 848) the Hoare annotation is: (let ((.cse12 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (let ((.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (and .cse12 .cse5 (not .cse15) .cse7 .cse14 .cse8 .cse9)) (.cse4 (= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse20 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse21 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse11 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse11) (and .cse12 .cse7 .cse13 .cse14 .cse15 .cse8 .cse11 .cse9) (and .cse16 .cse13 (or (and .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse17 .cse11) (and .cse3 .cse0 .cse18 .cse1 .cse2 .cse5 .cse7 .cse8 .cse9 .cse19) (and .cse4 .cse12 .cse13 .cse7 .cse15 .cse8 .cse9) (and .cse3 .cse18 .cse16 .cse5 .cse7 .cse13 .cse20 .cse21 .cse17 .cse8 .cse9 .cse19) (and .cse12 .cse16 .cse13 .cse7 .cse20 .cse21 .cse17 .cse15 .cse8 .cse11 .cse9) (and .cse12 .cse0 .cse1 .cse2 .cse7 .cse15 .cse8 .cse11 .cse9)))) [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L578-2(lines 578 584) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L578-4(lines 578 584) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L810-3(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L645(lines 645 662) no Hoare annotation was computed. [2020-11-28 03:05:51,130 INFO L274 CegarLoopResult]: For program point L810-5(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 662) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L810-6(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 662) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L645-3(lines 645 662) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L810-8(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 662) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L645-5(lines 645 662) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L270 CegarLoopResult]: At program point L613(lines 612 631) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse8 .cse2 .cse4 .cse9 .cse5 .cse10 .cse6) (and .cse8 .cse4 .cse7 .cse9 .cse5 .cse10 .cse6))) [2020-11-28 03:05:51,131 INFO L274 CegarLoopResult]: For program point L613-1(lines 613 619) no Hoare annotation was computed. [2020-11-28 03:05:51,131 INFO L270 CegarLoopResult]: At program point L613-2(lines 612 631) the Hoare annotation is: false [2020-11-28 03:05:51,132 INFO L270 CegarLoopResult]: At program point L514(lines 509 517) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-28 03:05:51,132 INFO L270 CegarLoopResult]: At program point L613-3(lines 612 631) the Hoare annotation is: false [2020-11-28 03:05:51,132 INFO L270 CegarLoopResult]: At program point L514-1(lines 509 517) the Hoare annotation is: false [2020-11-28 03:05:51,132 INFO L270 CegarLoopResult]: At program point L514-2(lines 509 517) the Hoare annotation is: false [2020-11-28 03:05:51,132 INFO L270 CegarLoopResult]: At program point L878(lines 831 879) the Hoare annotation is: false [2020-11-28 03:05:51,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:05:51,132 INFO L277 CegarLoopResult]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-11-28 03:05:51,132 INFO L270 CegarLoopResult]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:05:51,132 INFO L274 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-11-28 03:05:51,132 INFO L274 CegarLoopResult]: For program point L649-1(lines 649 657) no Hoare annotation was computed. [2020-11-28 03:05:51,132 INFO L274 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-11-28 03:05:51,133 INFO L274 CegarLoopResult]: For program point L649-3(lines 649 657) no Hoare annotation was computed. [2020-11-28 03:05:51,133 INFO L274 CegarLoopResult]: For program point L649-4(lines 649 657) no Hoare annotation was computed. [2020-11-28 03:05:51,133 INFO L274 CegarLoopResult]: For program point L649-5(lines 649 657) no Hoare annotation was computed. [2020-11-28 03:05:51,133 INFO L270 CegarLoopResult]: At program point L816(lines 801 819) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-28 03:05:51,133 INFO L270 CegarLoopResult]: At program point L816-1(lines 801 819) the Hoare annotation is: false [2020-11-28 03:05:51,134 INFO L270 CegarLoopResult]: At program point L816-2(lines 801 819) the Hoare annotation is: false [2020-11-28 03:05:51,134 INFO L270 CegarLoopResult]: At program point L552(lines 547 555) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:05:51,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:05:51,134 INFO L270 CegarLoopResult]: At program point L620(lines 620 626) the Hoare annotation is: (let ((.cse20 (= ~pumpRunning~0 0))) (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse4 (not .cse20)) (.cse11 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse19 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse15 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse16 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse17 (<= ~waterLevel~0 2)) (.cse18 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse10 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse9 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse13 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15 .cse4 .cse16 .cse9 .cse17 .cse18) (and .cse10 .cse11 .cse19 .cse2 .cse20 .cse13 .cse6 .cse7 .cse14 .cse16 .cse15 .cse17 .cse18) (and .cse10 .cse11 .cse3 .cse19 .cse2 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse1 .cse10 .cse2 .cse5 .cse20 .cse6 .cse7) (and .cse1 .cse10 .cse9 .cse5 .cse20 .cse6 .cse7)))) [2020-11-28 03:05:51,135 INFO L270 CegarLoopResult]: At program point L620-1(lines 620 626) the Hoare annotation is: false [2020-11-28 03:05:51,135 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 626) the Hoare annotation is: false [2020-11-28 03:05:51,135 INFO L274 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-11-28 03:05:51,135 INFO L274 CegarLoopResult]: For program point L422-3(lines 422 426) no Hoare annotation was computed. [2020-11-28 03:05:51,135 INFO L274 CegarLoopResult]: For program point L422-6(lines 422 426) no Hoare annotation was computed. [2020-11-28 03:05:51,135 INFO L274 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-11-28 03:05:51,135 INFO L270 CegarLoopResult]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse4 .cse9 .cse6 .cse7)) .cse10) (and .cse8 .cse11 .cse5 .cse12 .cse6 .cse10 .cse7) (and .cse11 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse9 .cse6 .cse7)) .cse10) (and .cse0 .cse11 .cse2 .cse5 .cse6 .cse10 .cse7 .cse13) (and .cse0 .cse2 .cse5 .cse4 .cse6 .cse10 .cse7 .cse13) (and .cse8 .cse5 .cse4 .cse12 .cse6 .cse10 .cse7))) [2020-11-28 03:05:51,136 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:05:51,136 INFO L270 CegarLoopResult]: At program point L491(lines 486 494) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse3 .cse5 .cse6 .cse8 .cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 .cse10 (<= 2 ~waterLevel~0) .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse8 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse7) .cse4 (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-11-28 03:05:51,136 INFO L270 CegarLoopResult]: At program point L491-1(lines 486 494) the Hoare annotation is: false [2020-11-28 03:05:51,136 INFO L270 CegarLoopResult]: At program point L491-2(lines 486 494) the Hoare annotation is: false [2020-11-28 03:05:51,136 INFO L270 CegarLoopResult]: At program point L459(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,136 INFO L270 CegarLoopResult]: At program point L459-1(lines 454 462) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-2(lines 454 462) the Hoare annotation is: (let ((.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse18 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse14 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse20 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse15 .cse2 .cse16 .cse17 .cse18 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse3 .cse4 .cse2 .cse16 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse5 .cse18 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse11 .cse10 (not .cse20) .cse17 .cse12 .cse13) (and .cse14 .cse15 .cse3 .cse4 .cse16 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse20 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-3(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-4(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-5(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-6(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-7(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,137 INFO L270 CegarLoopResult]: At program point L459-8(lines 454 462) the Hoare annotation is: false [2020-11-28 03:05:51,137 INFO L274 CegarLoopResult]: For program point L791(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,137 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,137 INFO L274 CegarLoopResult]: For program point L791-3(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,137 INFO L274 CegarLoopResult]: For program point L791-5(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-6(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-8(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-9(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-11(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-12(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-14(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-15(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L791-17(lines 791 795) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:05:51,138 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:05:51,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:51 BoogieIcfgContainer [2020-11-28 03:05:51,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:51,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:51,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:51,221 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:51,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:29" (3/4) ... [2020-11-28 03:05:51,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:05:51,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:05:51,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:05:51,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:05:51,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:05:51,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:05:51,271 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:51,273 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:51,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-28 03:05:51,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-28 03:05:51,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) [2020-11-28 03:05:51,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:05:51,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:05:51,316 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:05:51,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:05:51,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-28 03:05:51,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:05:51,322 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:05:51,329 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-28 03:05:51,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:05:51,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) [2020-11-28 03:05:51,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) [2020-11-28 03:05:51,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-28 03:05:51,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-11-28 03:05:51,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d08fafb5-fff5-4e7c-aca6-d3a2b8fabe87/bin/uautomizer/witness.graphml [2020-11-28 03:05:51,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:51,456 INFO L168 Benchmark]: Toolchain (without parser) took 24570.85 ms. Allocated memory was 75.5 MB in the beginning and 373.3 MB in the end (delta: 297.8 MB). Free memory was 42.0 MB in the beginning and 320.1 MB in the end (delta: -278.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,456 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 75.5 MB. Free memory was 48.5 MB in the beginning and 48.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:51,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.64 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 41.9 MB in the beginning and 60.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.56 ms. Allocated memory is still 94.4 MB. Free memory was 60.9 MB in the beginning and 56.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,458 INFO L168 Benchmark]: Boogie Preprocessor took 55.20 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 53.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,458 INFO L168 Benchmark]: RCFGBuilder took 1447.58 ms. Allocated memory is still 94.4 MB. Free memory was 53.8 MB in the beginning and 66.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,459 INFO L168 Benchmark]: TraceAbstraction took 21965.71 ms. Allocated memory was 94.4 MB in the beginning and 373.3 MB in the end (delta: 278.9 MB). Free memory was 65.9 MB in the beginning and 332.6 MB in the end (delta: -266.7 MB). Peak memory consumption was 224.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,459 INFO L168 Benchmark]: Witness Printer took 234.58 ms. Allocated memory is still 373.3 MB. Free memory was 332.6 MB in the beginning and 320.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:51,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 75.5 MB. Free memory was 48.5 MB in the beginning and 48.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 721.64 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 41.9 MB in the beginning and 60.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.56 ms. Allocated memory is still 94.4 MB. Free memory was 60.9 MB in the beginning and 56.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.20 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 53.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1447.58 ms. Allocated memory is still 94.4 MB. Free memory was 53.8 MB in the beginning and 66.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21965.71 ms. Allocated memory was 94.4 MB in the beginning and 373.3 MB in the end (delta: 278.9 MB). Free memory was 65.9 MB in the beginning and 332.6 MB in the end (delta: -266.7 MB). Peak memory consumption was 224.2 MB. Max. memory is 16.1 GB. * Witness Printer took 234.58 ms. Allocated memory is still 373.3 MB. Free memory was 332.6 MB in the beginning and 320.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1854 SDtfs, 3165 SDslu, 3387 SDs, 0 SdLazy, 481 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2448 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 283 NumberOfFragments, 2213 HoareAnnotationTreeSize, 57 FomulaSimplifications, 14612897 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1086149 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 54066 SizeOfPredicates, 4 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 78/90 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...