./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.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_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/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 e54df5218807ebc1aaf13f5cda92067864bfb3d3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:11:21,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:21,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:21,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:21,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:21,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:21,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:21,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:21,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:21,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:21,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:21,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:21,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:21,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:21,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:21,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:21,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:21,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:21,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:21,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:21,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:21,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:21,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:21,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:21,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:21,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:21,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:21,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:21,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:21,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:21,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:21,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:21,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:21,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:21,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:21,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:21,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:21,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:21,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:21,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:21,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:21,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:11:21,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:21,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:21,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:21,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:21,524 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:21,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:21,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:21,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:21,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:21,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:21,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:21,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:21,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:21,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:21,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:21,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:21,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:21,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:21,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:21,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:21,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:21,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:21,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:21,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:21,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:21,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:11:21,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:11:21,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:21,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:21,531 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_972468e3-15f9-4cb9-8671-ca0fed195020/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e54df5218807ebc1aaf13f5cda92067864bfb3d3 [2020-11-30 00:11:21,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:21,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:21,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:21,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:21,911 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:21,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2020-11-30 00:11:21,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/data/a5ecff156/2f19e5a694d24c85a1112f4f91130864/FLAG3af8a0820 [2020-11-30 00:11:22,745 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:22,745 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2020-11-30 00:11:22,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/data/a5ecff156/2f19e5a694d24c85a1112f4f91130864/FLAG3af8a0820 [2020-11-30 00:11:22,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/data/a5ecff156/2f19e5a694d24c85a1112f4f91130864 [2020-11-30 00:11:22,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:22,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:22,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:22,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:22,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:22,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:22" (1/1) ... [2020-11-30 00:11:22,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d9cf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:22, skipping insertion in model container [2020-11-30 00:11:22,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:22" (1/1) ... [2020-11-30 00:11:22,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:23,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:23,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:23,538 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:23,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:23,745 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:23,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23 WrapperNode [2020-11-30 00:11:23,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:23,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:23,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:23,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:23,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:23,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:23,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:23,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:23,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:23,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:24,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... [2020-11-30 00:11:24,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:24,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:24,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:24,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:24,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/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 [2020-11-30 00:11:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:11:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:26,068 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:26,068 INFO L298 CfgBuilder]: Removed 362 assume(true) statements. [2020-11-30 00:11:26,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:26 BoogieIcfgContainer [2020-11-30 00:11:26,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:26,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:26,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:26,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:26,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:22" (1/3) ... [2020-11-30 00:11:26,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233d4952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:26, skipping insertion in model container [2020-11-30 00:11:26,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:23" (2/3) ... [2020-11-30 00:11:26,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233d4952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:26, skipping insertion in model container [2020-11-30 00:11:26,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:26" (3/3) ... [2020-11-30 00:11:26,090 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2020-11-30 00:11:26,114 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:26,122 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:11:26,142 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:11:26,201 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:26,201 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:26,202 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:26,203 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:26,203 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:26,203 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:26,203 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:26,204 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states. [2020-11-30 00:11:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:11:26,260 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:26,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:26,262 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:26,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1592031075, now seen corresponding path program 1 times [2020-11-30 00:11:26,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:26,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319143272] [2020-11-30 00:11:26,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:26,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319143272] [2020-11-30 00:11:26,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:26,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:26,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292626261] [2020-11-30 00:11:26,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:11:26,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:26,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:11:26,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:26,809 INFO L87 Difference]: Start difference. First operand 234 states. Second operand 2 states. [2020-11-30 00:11:26,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:26,924 INFO L93 Difference]: Finished difference Result 458 states and 687 transitions. [2020-11-30 00:11:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:11:26,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:11:26,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:26,961 INFO L225 Difference]: With dead ends: 458 [2020-11-30 00:11:26,961 INFO L226 Difference]: Without dead ends: 227 [2020-11-30 00:11:26,980 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 [2020-11-30 00:11:27,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-30 00:11:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-11-30 00:11:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-30 00:11:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 334 transitions. [2020-11-30 00:11:27,101 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 334 transitions. Word has length 18 [2020-11-30 00:11:27,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:27,101 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 334 transitions. [2020-11-30 00:11:27,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:11:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 334 transitions. [2020-11-30 00:11:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:11:27,107 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:27,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:27,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:11:27,108 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:27,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:27,113 INFO L82 PathProgramCache]: Analyzing trace with hash 742929603, now seen corresponding path program 1 times [2020-11-30 00:11:27,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:27,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979926076] [2020-11-30 00:11:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:27,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979926076] [2020-11-30 00:11:27,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:27,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:27,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035132377] [2020-11-30 00:11:27,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:27,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:27,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:27,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:27,282 INFO L87 Difference]: Start difference. First operand 227 states and 334 transitions. Second operand 3 states. [2020-11-30 00:11:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:27,311 INFO L93 Difference]: Finished difference Result 227 states and 334 transitions. [2020-11-30 00:11:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:27,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:11:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:27,317 INFO L225 Difference]: With dead ends: 227 [2020-11-30 00:11:27,317 INFO L226 Difference]: Without dead ends: 87 [2020-11-30 00:11:27,320 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 [2020-11-30 00:11:27,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-30 00:11:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-11-30 00:11:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-30 00:11:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-11-30 00:11:27,337 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2020-11-30 00:11:27,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:27,337 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-11-30 00:11:27,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-11-30 00:11:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:11:27,341 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:27,341 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] [2020-11-30 00:11:27,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:11:27,343 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:27,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:27,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2011512384, now seen corresponding path program 1 times [2020-11-30 00:11:27,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:27,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245479848] [2020-11-30 00:11:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:27,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245479848] [2020-11-30 00:11:27,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:27,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:27,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140671063] [2020-11-30 00:11:27,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:27,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:27,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:27,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:27,456 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 3 states. [2020-11-30 00:11:27,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:27,535 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2020-11-30 00:11:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:27,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:11:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:27,539 INFO L225 Difference]: With dead ends: 247 [2020-11-30 00:11:27,539 INFO L226 Difference]: Without dead ends: 167 [2020-11-30 00:11:27,542 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 [2020-11-30 00:11:27,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-30 00:11:27,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2020-11-30 00:11:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-30 00:11:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 242 transitions. [2020-11-30 00:11:27,576 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 242 transitions. Word has length 24 [2020-11-30 00:11:27,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:27,577 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 242 transitions. [2020-11-30 00:11:27,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2020-11-30 00:11:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:11:27,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:27,584 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] [2020-11-30 00:11:27,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:11:27,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:27,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:27,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1543064518, now seen corresponding path program 1 times [2020-11-30 00:11:27,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:27,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337666745] [2020-11-30 00:11:27,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:27,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337666745] [2020-11-30 00:11:27,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:27,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:27,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837058904] [2020-11-30 00:11:27,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:27,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:27,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:27,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:27,703 INFO L87 Difference]: Start difference. First operand 163 states and 242 transitions. Second operand 3 states. [2020-11-30 00:11:27,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:27,808 INFO L93 Difference]: Finished difference Result 332 states and 499 transitions. [2020-11-30 00:11:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:27,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-30 00:11:27,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:27,811 INFO L225 Difference]: With dead ends: 332 [2020-11-30 00:11:27,811 INFO L226 Difference]: Without dead ends: 176 [2020-11-30 00:11:27,812 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 [2020-11-30 00:11:27,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-11-30 00:11:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2020-11-30 00:11:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-30 00:11:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 252 transitions. [2020-11-30 00:11:27,831 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 252 transitions. Word has length 27 [2020-11-30 00:11:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:27,832 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 252 transitions. [2020-11-30 00:11:27,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 252 transitions. [2020-11-30 00:11:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:11:27,833 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:27,833 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] [2020-11-30 00:11:27,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:11:27,834 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:27,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:27,835 INFO L82 PathProgramCache]: Analyzing trace with hash 447177737, now seen corresponding path program 1 times [2020-11-30 00:11:27,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:27,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102246202] [2020-11-30 00:11:27,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:27,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102246202] [2020-11-30 00:11:27,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:27,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:11:27,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963371071] [2020-11-30 00:11:27,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:11:27,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:27,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:11:27,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:11:27,968 INFO L87 Difference]: Start difference. First operand 174 states and 252 transitions. Second operand 5 states. [2020-11-30 00:11:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:28,271 INFO L93 Difference]: Finished difference Result 859 states and 1254 transitions. [2020-11-30 00:11:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:11:28,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-30 00:11:28,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:28,280 INFO L225 Difference]: With dead ends: 859 [2020-11-30 00:11:28,280 INFO L226 Difference]: Without dead ends: 692 [2020-11-30 00:11:28,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:11:28,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-11-30 00:11:28,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 327. [2020-11-30 00:11:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-11-30 00:11:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2020-11-30 00:11:28,339 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 27 [2020-11-30 00:11:28,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:28,340 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2020-11-30 00:11:28,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:11:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2020-11-30 00:11:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 00:11:28,345 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:28,346 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] [2020-11-30 00:11:28,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:11:28,347 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:28,347 INFO L82 PathProgramCache]: Analyzing trace with hash -986967423, now seen corresponding path program 1 times [2020-11-30 00:11:28,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:28,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328473165] [2020-11-30 00:11:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:28,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328473165] [2020-11-30 00:11:28,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:28,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:11:28,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397538393] [2020-11-30 00:11:28,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:11:28,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:28,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:11:28,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:11:28,499 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand 5 states. [2020-11-30 00:11:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:28,811 INFO L93 Difference]: Finished difference Result 1273 states and 1823 transitions. [2020-11-30 00:11:28,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:11:28,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-30 00:11:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:28,821 INFO L225 Difference]: With dead ends: 1273 [2020-11-30 00:11:28,822 INFO L226 Difference]: Without dead ends: 953 [2020-11-30 00:11:28,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:11:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-11-30 00:11:28,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 325. [2020-11-30 00:11:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-11-30 00:11:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 462 transitions. [2020-11-30 00:11:28,862 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 462 transitions. Word has length 28 [2020-11-30 00:11:28,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:28,868 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 462 transitions. [2020-11-30 00:11:28,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:11:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 462 transitions. [2020-11-30 00:11:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:11:28,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:28,875 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] [2020-11-30 00:11:28,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:11:28,876 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:28,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:28,877 INFO L82 PathProgramCache]: Analyzing trace with hash -192809145, now seen corresponding path program 1 times [2020-11-30 00:11:28,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:28,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093883302] [2020-11-30 00:11:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:28,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093883302] [2020-11-30 00:11:28,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:28,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:11:28,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623813774] [2020-11-30 00:11:28,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:11:28,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:28,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:11:28,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:11:28,971 INFO L87 Difference]: Start difference. First operand 325 states and 462 transitions. Second operand 4 states. [2020-11-30 00:11:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:29,117 INFO L93 Difference]: Finished difference Result 949 states and 1348 transitions. [2020-11-30 00:11:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:11:29,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-30 00:11:29,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:29,125 INFO L225 Difference]: With dead ends: 949 [2020-11-30 00:11:29,125 INFO L226 Difference]: Without dead ends: 631 [2020-11-30 00:11:29,128 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 [2020-11-30 00:11:29,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-11-30 00:11:29,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 349. [2020-11-30 00:11:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-11-30 00:11:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 486 transitions. [2020-11-30 00:11:29,175 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 486 transitions. Word has length 37 [2020-11-30 00:11:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:29,175 INFO L481 AbstractCegarLoop]: Abstraction has 349 states and 486 transitions. [2020-11-30 00:11:29,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:11:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 486 transitions. [2020-11-30 00:11:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:11:29,176 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:29,176 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] [2020-11-30 00:11:29,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:11:29,177 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:29,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:29,178 INFO L82 PathProgramCache]: Analyzing trace with hash 818308105, now seen corresponding path program 1 times [2020-11-30 00:11:29,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:29,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159963616] [2020-11-30 00:11:29,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:29,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159963616] [2020-11-30 00:11:29,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:29,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:11:29,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412887716] [2020-11-30 00:11:29,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:11:29,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:29,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:11:29,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:11:29,284 INFO L87 Difference]: Start difference. First operand 349 states and 486 transitions. Second operand 5 states. [2020-11-30 00:11:29,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:29,461 INFO L93 Difference]: Finished difference Result 891 states and 1229 transitions. [2020-11-30 00:11:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:11:29,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-30 00:11:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:29,468 INFO L225 Difference]: With dead ends: 891 [2020-11-30 00:11:29,468 INFO L226 Difference]: Without dead ends: 549 [2020-11-30 00:11:29,469 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 [2020-11-30 00:11:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-11-30 00:11:29,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 385. [2020-11-30 00:11:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-11-30 00:11:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 522 transitions. [2020-11-30 00:11:29,520 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 522 transitions. Word has length 37 [2020-11-30 00:11:29,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:29,522 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 522 transitions. [2020-11-30 00:11:29,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:11:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2020-11-30 00:11:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:11:29,523 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:29,523 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] [2020-11-30 00:11:29,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:11:29,525 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:29,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1213877499, now seen corresponding path program 1 times [2020-11-30 00:11:29,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:29,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378294319] [2020-11-30 00:11:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:29,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378294319] [2020-11-30 00:11:29,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:29,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:29,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627418703] [2020-11-30 00:11:29,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:29,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:29,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:29,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:29,647 INFO L87 Difference]: Start difference. First operand 385 states and 522 transitions. Second operand 3 states. [2020-11-30 00:11:29,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:29,738 INFO L93 Difference]: Finished difference Result 871 states and 1175 transitions. [2020-11-30 00:11:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:29,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-30 00:11:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:29,743 INFO L225 Difference]: With dead ends: 871 [2020-11-30 00:11:29,743 INFO L226 Difference]: Without dead ends: 493 [2020-11-30 00:11:29,744 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 [2020-11-30 00:11:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-11-30 00:11:29,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2020-11-30 00:11:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-11-30 00:11:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 652 transitions. [2020-11-30 00:11:29,801 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 652 transitions. Word has length 37 [2020-11-30 00:11:29,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:29,804 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 652 transitions. [2020-11-30 00:11:29,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 652 transitions. [2020-11-30 00:11:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:11:29,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:29,807 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, 1] [2020-11-30 00:11:29,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:11:29,808 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:29,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:29,808 INFO L82 PathProgramCache]: Analyzing trace with hash 321920453, now seen corresponding path program 1 times [2020-11-30 00:11:29,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:29,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070715463] [2020-11-30 00:11:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:29,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070715463] [2020-11-30 00:11:29,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:29,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:29,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728011741] [2020-11-30 00:11:29,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:29,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:29,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:29,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:29,892 INFO L87 Difference]: Start difference. First operand 493 states and 652 transitions. Second operand 3 states. [2020-11-30 00:11:30,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:30,020 INFO L93 Difference]: Finished difference Result 807 states and 1075 transitions. [2020-11-30 00:11:30,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:30,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-11-30 00:11:30,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:30,028 INFO L225 Difference]: With dead ends: 807 [2020-11-30 00:11:30,028 INFO L226 Difference]: Without dead ends: 805 [2020-11-30 00:11:30,029 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 [2020-11-30 00:11:30,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-11-30 00:11:30,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 622. [2020-11-30 00:11:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-30 00:11:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 840 transitions. [2020-11-30 00:11:30,151 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 840 transitions. Word has length 38 [2020-11-30 00:11:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:30,152 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 840 transitions. [2020-11-30 00:11:30,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 840 transitions. [2020-11-30 00:11:30,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 00:11:30,155 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:30,156 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, 1, 1, 1, 1] [2020-11-30 00:11:30,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:11:30,156 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:30,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:30,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1740565395, now seen corresponding path program 1 times [2020-11-30 00:11:30,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:30,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599258115] [2020-11-30 00:11:30,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:11:30,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599258115] [2020-11-30 00:11:30,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:30,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:30,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675066604] [2020-11-30 00:11:30,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:30,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:30,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:30,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:30,255 INFO L87 Difference]: Start difference. First operand 622 states and 840 transitions. Second operand 3 states. [2020-11-30 00:11:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:30,426 INFO L93 Difference]: Finished difference Result 1014 states and 1365 transitions. [2020-11-30 00:11:30,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:30,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-11-30 00:11:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:30,431 INFO L225 Difference]: With dead ends: 1014 [2020-11-30 00:11:30,432 INFO L226 Difference]: Without dead ends: 399 [2020-11-30 00:11:30,436 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 [2020-11-30 00:11:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-11-30 00:11:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 387. [2020-11-30 00:11:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-11-30 00:11:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 514 transitions. [2020-11-30 00:11:30,488 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 514 transitions. Word has length 59 [2020-11-30 00:11:30,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:30,489 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 514 transitions. [2020-11-30 00:11:30,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 514 transitions. [2020-11-30 00:11:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 00:11:30,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:30,491 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:30,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:11:30,492 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:30,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1960365919, now seen corresponding path program 1 times [2020-11-30 00:11:30,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:30,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607221297] [2020-11-30 00:11:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:11:30,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607221297] [2020-11-30 00:11:30,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013631767] [2020-11-30 00:11:30,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/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 [2020-11-30 00:11:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:30,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:11:30,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 00:11:31,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:11:31,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2020-11-30 00:11:31,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951616094] [2020-11-30 00:11:31,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:11:31,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:31,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:11:31,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:11:31,110 INFO L87 Difference]: Start difference. First operand 387 states and 514 transitions. Second operand 6 states. [2020-11-30 00:11:31,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:31,662 INFO L93 Difference]: Finished difference Result 1197 states and 1573 transitions. [2020-11-30 00:11:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 00:11:31,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-11-30 00:11:31,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:31,669 INFO L225 Difference]: With dead ends: 1197 [2020-11-30 00:11:31,670 INFO L226 Difference]: Without dead ends: 817 [2020-11-30 00:11:31,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-11-30 00:11:31,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-11-30 00:11:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 354. [2020-11-30 00:11:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-11-30 00:11:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 460 transitions. [2020-11-30 00:11:31,738 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 460 transitions. Word has length 66 [2020-11-30 00:11:31,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:31,740 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 460 transitions. [2020-11-30 00:11:31,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:11:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 460 transitions. [2020-11-30 00:11:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-30 00:11:31,742 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:31,742 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:11:31,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 00:11:31,957 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:31,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1257155385, now seen corresponding path program 1 times [2020-11-30 00:11:31,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:31,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587461881] [2020-11-30 00:11:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:32,127 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:11:32,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587461881] [2020-11-30 00:11:32,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772768426] [2020-11-30 00:11:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:11:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:32,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:11:32,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:11:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 00:11:32,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:11:32,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2020-11-30 00:11:32,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71702930] [2020-11-30 00:11:32,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:11:32,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:32,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:11:32,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:11:32,508 INFO L87 Difference]: Start difference. First operand 354 states and 460 transitions. Second operand 6 states. [2020-11-30 00:11:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:32,995 INFO L93 Difference]: Finished difference Result 868 states and 1119 transitions. [2020-11-30 00:11:32,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 00:11:32,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-11-30 00:11:32,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:32,996 INFO L225 Difference]: With dead ends: 868 [2020-11-30 00:11:32,996 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:11:32,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-11-30 00:11:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:11:32,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:11:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:11:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:11:32,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2020-11-30 00:11:33,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:33,000 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:33,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:11:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:11:33,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:11:33,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-30 00:11:33,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:11:33,712 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 92 [2020-11-30 00:11:33,942 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2020-11-30 00:11:34,149 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2020-11-30 00:11:34,585 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 141 [2020-11-30 00:11:35,057 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 154 [2020-11-30 00:11:35,571 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 136 [2020-11-30 00:11:35,710 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-11-30 00:11:35,934 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2020-11-30 00:11:36,495 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 158 [2020-11-30 00:11:36,857 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-11-30 00:11:37,144 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2020-11-30 00:11:37,874 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2020-11-30 00:11:38,026 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 18 [2020-11-30 00:11:38,519 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2020-11-30 00:11:39,088 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-11-30 00:11:39,910 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 24 [2020-11-30 00:11:40,754 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-11-30 00:11:40,883 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2020-11-30 00:11:41,841 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 24 [2020-11-30 00:11:42,182 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2020-11-30 00:11:42,747 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-11-30 00:11:43,759 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-11-30 00:11:44,203 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-11-30 00:11:44,207 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:44,207 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-30 00:11:44,207 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-11-30 00:11:44,207 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-11-30 00:11:44,208 INFO L270 CegarLoopResult]: At program point L565(lines 556 569) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,208 INFO L270 CegarLoopResult]: At program point L565-1(lines 556 569) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,208 INFO L270 CegarLoopResult]: At program point L565-2(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,208 INFO L270 CegarLoopResult]: At program point L565-3(lines 556 569) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse3 (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-11-30 00:11:44,208 INFO L270 CegarLoopResult]: At program point L565-4(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,209 INFO L270 CegarLoopResult]: At program point L565-5(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,209 INFO L270 CegarLoopResult]: At program point L565-6(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,209 INFO L270 CegarLoopResult]: At program point L565-7(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,209 INFO L270 CegarLoopResult]: At program point L565-8(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,209 INFO L270 CegarLoopResult]: At program point L565-9(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,209 INFO L270 CegarLoopResult]: At program point L565-10(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,210 INFO L270 CegarLoopResult]: At program point L565-11(lines 556 569) the Hoare annotation is: false [2020-11-30 00:11:44,210 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,210 INFO L274 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,210 INFO L274 CegarLoopResult]: For program point L303-3(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,211 INFO L274 CegarLoopResult]: For program point L303-5(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,211 INFO L274 CegarLoopResult]: For program point L303-6(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,211 INFO L274 CegarLoopResult]: For program point L303-8(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,211 INFO L274 CegarLoopResult]: For program point L303-9(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,211 INFO L274 CegarLoopResult]: For program point L303-11(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,212 INFO L274 CegarLoopResult]: For program point L303-12(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,212 INFO L274 CegarLoopResult]: For program point L303-14(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,212 INFO L274 CegarLoopResult]: For program point L303-15(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,212 INFO L274 CegarLoopResult]: For program point L303-17(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,212 INFO L274 CegarLoopResult]: For program point L303-18(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,212 INFO L274 CegarLoopResult]: For program point L303-20(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,213 INFO L274 CegarLoopResult]: For program point L303-21(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,213 INFO L274 CegarLoopResult]: For program point L303-23(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,213 INFO L274 CegarLoopResult]: For program point L303-24(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,213 INFO L274 CegarLoopResult]: For program point L303-26(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,213 INFO L274 CegarLoopResult]: For program point L303-27(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,214 INFO L274 CegarLoopResult]: For program point L370(lines 369 418) no Hoare annotation was computed. [2020-11-30 00:11:44,214 INFO L274 CegarLoopResult]: For program point L303-29(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,214 INFO L274 CegarLoopResult]: For program point L303-30(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,214 INFO L274 CegarLoopResult]: For program point L303-32(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,214 INFO L274 CegarLoopResult]: For program point L303-33(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,215 INFO L274 CegarLoopResult]: For program point L303-35(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:11:44,215 INFO L274 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-11-30 00:11:44,215 INFO L270 CegarLoopResult]: At program point L107(lines 107 113) the Hoare annotation is: (let ((.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-11-30 00:11:44,215 INFO L270 CegarLoopResult]: At program point L107-1(lines 107 113) the Hoare annotation is: false [2020-11-30 00:11:44,216 INFO L270 CegarLoopResult]: At program point L107-2(lines 107 113) the Hoare annotation is: false [2020-11-30 00:11:44,216 INFO L270 CegarLoopResult]: At program point L639(lines 635 641) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:11:44,216 INFO L274 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-11-30 00:11:44,216 INFO L270 CegarLoopResult]: At program point L309(lines 294 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,216 INFO L270 CegarLoopResult]: At program point L309-1(lines 294 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,217 INFO L270 CegarLoopResult]: At program point L309-2(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,217 INFO L270 CegarLoopResult]: At program point L309-3(lines 294 312) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2)) .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2 .cse3))) [2020-11-30 00:11:44,217 INFO L270 CegarLoopResult]: At program point L309-4(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,217 INFO L270 CegarLoopResult]: At program point L309-5(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,218 INFO L270 CegarLoopResult]: At program point L309-6(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,218 INFO L270 CegarLoopResult]: At program point L309-7(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,218 INFO L270 CegarLoopResult]: At program point L309-8(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,218 INFO L270 CegarLoopResult]: At program point L309-9(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,218 INFO L270 CegarLoopResult]: At program point L309-10(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,218 INFO L270 CegarLoopResult]: At program point L309-11(lines 294 312) the Hoare annotation is: false [2020-11-30 00:11:44,219 INFO L270 CegarLoopResult]: At program point L575(lines 570 578) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,219 INFO L270 CegarLoopResult]: At program point L575-1(lines 570 578) the Hoare annotation is: false [2020-11-30 00:11:44,234 INFO L270 CegarLoopResult]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2020-11-30 00:11:44,234 INFO L270 CegarLoopResult]: At program point L575-3(lines 570 578) the Hoare annotation is: false [2020-11-30 00:11:44,235 INFO L270 CegarLoopResult]: At program point L443(lines 438 445) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:11:44,235 INFO L270 CegarLoopResult]: At program point L575-4(lines 570 578) the Hoare annotation is: false [2020-11-30 00:11:44,235 INFO L270 CegarLoopResult]: At program point L575-5(lines 570 578) the Hoare annotation is: false [2020-11-30 00:11:44,235 INFO L270 CegarLoopResult]: At program point L245(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 ~methaneLevelCritical~0) (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-30 00:11:44,236 INFO L270 CegarLoopResult]: At program point L245-1(lines 238 248) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,236 INFO L270 CegarLoopResult]: At program point L245-2(lines 238 248) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,236 INFO L270 CegarLoopResult]: At program point L245-3(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,236 INFO L270 CegarLoopResult]: At program point L245-4(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2020-11-30 00:11:44,236 INFO L270 CegarLoopResult]: At program point L245-5(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,237 INFO L270 CegarLoopResult]: At program point L245-6(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,237 INFO L270 CegarLoopResult]: At program point L245-7(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,237 INFO L270 CegarLoopResult]: At program point L245-8(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,237 INFO L270 CegarLoopResult]: At program point L245-9(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,239 INFO L270 CegarLoopResult]: At program point L245-10(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,239 INFO L270 CegarLoopResult]: At program point L245-11(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,240 INFO L270 CegarLoopResult]: At program point L245-12(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,240 INFO L270 CegarLoopResult]: At program point L245-13(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,240 INFO L270 CegarLoopResult]: At program point L245-14(lines 238 248) the Hoare annotation is: false [2020-11-30 00:11:44,240 INFO L274 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-11-30 00:11:44,241 INFO L270 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse8 .cse9 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9 .cse6))) [2020-11-30 00:11:44,241 INFO L274 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-11-30 00:11:44,241 INFO L274 CegarLoopResult]: For program point L184-1(lines 184 201) no Hoare annotation was computed. [2020-11-30 00:11:44,241 INFO L274 CegarLoopResult]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2020-11-30 00:11:44,242 INFO L270 CegarLoopResult]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 00:11:44,242 INFO L270 CegarLoopResult]: At program point L254-1(lines 249 257) the Hoare annotation is: false [2020-11-30 00:11:44,242 INFO L274 CegarLoopResult]: For program point L188(lines 188 196) no Hoare annotation was computed. [2020-11-30 00:11:44,242 INFO L270 CegarLoopResult]: At program point L254-2(lines 249 257) the Hoare annotation is: false [2020-11-30 00:11:44,242 INFO L274 CegarLoopResult]: For program point L188-1(lines 188 196) no Hoare annotation was computed. [2020-11-30 00:11:44,243 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 196) no Hoare annotation was computed. [2020-11-30 00:11:44,243 INFO L270 CegarLoopResult]: At program point L520(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 ~methaneLevelCritical~0) (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-30 00:11:44,243 INFO L270 CegarLoopResult]: At program point L520-1(lines 515 523) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,243 INFO L270 CegarLoopResult]: At program point L520-2(lines 515 523) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,244 INFO L274 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-11-30 00:11:44,244 INFO L270 CegarLoopResult]: At program point L520-3(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,244 INFO L270 CegarLoopResult]: At program point L454-1(lines 1 1041) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse8 .cse9 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9 .cse6))) [2020-11-30 00:11:44,244 INFO L270 CegarLoopResult]: At program point L520-4(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (<= 1 ~methaneLevelCritical~0)))) [2020-11-30 00:11:44,245 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 471) no Hoare annotation was computed. [2020-11-30 00:11:44,245 INFO L270 CegarLoopResult]: At program point L520-5(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse7 .cse2) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 00:11:44,245 INFO L270 CegarLoopResult]: At program point L454-3(lines 1 1041) the Hoare annotation is: false [2020-11-30 00:11:44,245 INFO L274 CegarLoopResult]: For program point L322(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,246 INFO L270 CegarLoopResult]: At program point L520-6(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,246 INFO L274 CegarLoopResult]: For program point L454-4(lines 454 471) no Hoare annotation was computed. [2020-11-30 00:11:44,246 INFO L270 CegarLoopResult]: At program point L520-7(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,246 INFO L270 CegarLoopResult]: At program point L454-5(lines 1 1041) the Hoare annotation is: false [2020-11-30 00:11:44,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:11:44,247 INFO L274 CegarLoopResult]: For program point L322-2(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,247 INFO L270 CegarLoopResult]: At program point L520-8(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,247 INFO L274 CegarLoopResult]: For program point L322-3(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,247 INFO L270 CegarLoopResult]: At program point L520-9(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,247 INFO L270 CegarLoopResult]: At program point L520-10(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,247 INFO L274 CegarLoopResult]: For program point L322-5(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,248 INFO L270 CegarLoopResult]: At program point L520-11(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,248 INFO L274 CegarLoopResult]: For program point L322-6(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,248 INFO L270 CegarLoopResult]: At program point L520-12(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,248 INFO L270 CegarLoopResult]: At program point L520-13(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,248 INFO L274 CegarLoopResult]: For program point L322-8(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,249 INFO L270 CegarLoopResult]: At program point L520-14(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,249 INFO L274 CegarLoopResult]: For program point L322-9(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,249 INFO L270 CegarLoopResult]: At program point L520-15(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,249 INFO L270 CegarLoopResult]: At program point L520-16(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,249 INFO L274 CegarLoopResult]: For program point L322-11(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,250 INFO L270 CegarLoopResult]: At program point L520-17(lines 515 523) the Hoare annotation is: false [2020-11-30 00:11:44,250 INFO L274 CegarLoopResult]: For program point L322-12(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,250 INFO L274 CegarLoopResult]: For program point L322-14(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,250 INFO L274 CegarLoopResult]: For program point L322-15(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,250 INFO L274 CegarLoopResult]: For program point L322-17(lines 322 326) no Hoare annotation was computed. [2020-11-30 00:11:44,250 INFO L274 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-11-30 00:11:44,251 INFO L270 CegarLoopResult]: At program point L389-1(lines 389 395) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse0 .cse3))) [2020-11-30 00:11:44,251 INFO L274 CegarLoopResult]: For program point L458(lines 458 468) no Hoare annotation was computed. [2020-11-30 00:11:44,251 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 468) no Hoare annotation was computed. [2020-11-30 00:11:44,251 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 468) no Hoare annotation was computed. [2020-11-30 00:11:44,252 INFO L270 CegarLoopResult]: At program point L591-2(lines 591 605) the Hoare annotation is: false [2020-11-30 00:11:44,252 INFO L274 CegarLoopResult]: For program point L459(lines 459 465) no Hoare annotation was computed. [2020-11-30 00:11:44,252 INFO L274 CegarLoopResult]: For program point L459-2(lines 459 465) no Hoare annotation was computed. [2020-11-30 00:11:44,252 INFO L274 CegarLoopResult]: For program point L459-4(lines 459 465) no Hoare annotation was computed. [2020-11-30 00:11:44,252 INFO L274 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-11-30 00:11:44,253 INFO L270 CegarLoopResult]: At program point L328(lines 313 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:44,253 INFO L270 CegarLoopResult]: At program point L328-1(lines 313 331) the Hoare annotation is: false [2020-11-30 00:11:44,253 INFO L270 CegarLoopResult]: At program point L328-2(lines 313 331) the Hoare annotation is: false [2020-11-30 00:11:44,253 INFO L270 CegarLoopResult]: At program point L328-3(lines 313 331) the Hoare annotation is: false [2020-11-30 00:11:44,253 INFO L270 CegarLoopResult]: At program point L328-4(lines 313 331) the Hoare annotation is: false [2020-11-30 00:11:44,254 INFO L270 CegarLoopResult]: At program point L328-5(lines 313 331) the Hoare annotation is: false [2020-11-30 00:11:44,254 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:11:44,254 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:44,254 INFO L274 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,255 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,255 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,255 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,255 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,255 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,255 INFO L274 CegarLoopResult]: For program point L132-6(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,256 INFO L274 CegarLoopResult]: For program point L132-7(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,256 INFO L274 CegarLoopResult]: For program point L132-8(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,256 INFO L274 CegarLoopResult]: For program point L132-9(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,256 INFO L274 CegarLoopResult]: For program point L132-10(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,256 INFO L274 CegarLoopResult]: For program point L132-11(lines 132 149) no Hoare annotation was computed. [2020-11-30 00:11:44,257 INFO L274 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-11-30 00:11:44,257 INFO L274 CegarLoopResult]: For program point L595-1(lines 100 106) no Hoare annotation was computed. [2020-11-30 00:11:44,257 INFO L270 CegarLoopResult]: At program point L67(lines 1 1041) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:11:44,258 INFO L274 CegarLoopResult]: For program point L663(lines 663 670) no Hoare annotation was computed. [2020-11-30 00:11:44,259 INFO L277 CegarLoopResult]: At program point L663-1(lines 663 670) the Hoare annotation is: true [2020-11-30 00:11:44,259 INFO L274 CegarLoopResult]: For program point L399(lines 399 414) no Hoare annotation was computed. [2020-11-30 00:11:44,259 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:11:44,259 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:11:44,260 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:11:44,260 INFO L274 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,260 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,260 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,260 INFO L274 CegarLoopResult]: For program point L136-3(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,261 INFO L274 CegarLoopResult]: For program point L136-4(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,261 INFO L274 CegarLoopResult]: For program point L136-5(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,261 INFO L274 CegarLoopResult]: For program point L136-6(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,261 INFO L274 CegarLoopResult]: For program point L136-7(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,263 INFO L274 CegarLoopResult]: For program point L136-8(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,264 INFO L274 CegarLoopResult]: For program point L136-9(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,264 INFO L274 CegarLoopResult]: For program point L136-10(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,264 INFO L274 CegarLoopResult]: For program point L136-11(lines 136 144) no Hoare annotation was computed. [2020-11-30 00:11:44,264 INFO L274 CegarLoopResult]: For program point L336(lines 336 342) no Hoare annotation was computed. [2020-11-30 00:11:44,265 INFO L270 CegarLoopResult]: At program point L336-1(lines 336 342) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2020-11-30 00:11:44,265 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:11:44,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:44,265 INFO L274 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-11-30 00:11:44,266 INFO L270 CegarLoopResult]: At program point L407-1(lines 100 106) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse3 .cse1) (and .cse4 .cse5 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse1))) [2020-11-30 00:11:44,266 INFO L277 CegarLoopResult]: At program point L672(lines 653 675) the Hoare annotation is: true [2020-11-30 00:11:44,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:11:44,266 INFO L274 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-11-30 00:11:44,266 INFO L274 CegarLoopResult]: For program point L483-3(lines 483 487) no Hoare annotation was computed. [2020-11-30 00:11:44,267 INFO L274 CegarLoopResult]: For program point L483-6(lines 483 487) no Hoare annotation was computed. [2020-11-30 00:11:44,267 INFO L274 CegarLoopResult]: For program point L220(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,267 INFO L274 CegarLoopResult]: For program point L220-2(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,267 INFO L274 CegarLoopResult]: For program point L220-4(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,267 INFO L274 CegarLoopResult]: For program point L220-6(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,268 INFO L274 CegarLoopResult]: For program point L220-8(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,269 INFO L274 CegarLoopResult]: For program point L220-10(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,269 INFO L274 CegarLoopResult]: For program point L220-12(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,269 INFO L274 CegarLoopResult]: For program point L220-14(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,269 INFO L274 CegarLoopResult]: For program point L220-16(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,269 INFO L274 CegarLoopResult]: For program point L220-18(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,270 INFO L274 CegarLoopResult]: For program point L220-20(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,270 INFO L274 CegarLoopResult]: For program point L220-22(lines 220 226) no Hoare annotation was computed. [2020-11-30 00:11:44,270 INFO L270 CegarLoopResult]: At program point L419(lines 368 420) the Hoare annotation is: false [2020-11-30 00:11:44,270 INFO L274 CegarLoopResult]: For program point L158(lines 158 175) no Hoare annotation was computed. [2020-11-30 00:11:44,270 INFO L274 CegarLoopResult]: For program point L158-1(lines 158 175) no Hoare annotation was computed. [2020-11-30 00:11:44,271 INFO L274 CegarLoopResult]: For program point L158-2(lines 158 175) no Hoare annotation was computed. [2020-11-30 00:11:44,271 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 175) no Hoare annotation was computed. [2020-11-30 00:11:44,271 INFO L274 CegarLoopResult]: For program point L158-4(lines 158 175) no Hoare annotation was computed. [2020-11-30 00:11:44,271 INFO L274 CegarLoopResult]: For program point L158-5(lines 158 175) no Hoare annotation was computed. [2020-11-30 00:11:44,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:11:44,272 INFO L274 CegarLoopResult]: For program point L162(lines 162 170) no Hoare annotation was computed. [2020-11-30 00:11:44,272 INFO L274 CegarLoopResult]: For program point L162-1(lines 162 170) no Hoare annotation was computed. [2020-11-30 00:11:44,272 INFO L274 CegarLoopResult]: For program point L162-2(lines 162 170) no Hoare annotation was computed. [2020-11-30 00:11:44,272 INFO L274 CegarLoopResult]: For program point L162-3(lines 162 170) no Hoare annotation was computed. [2020-11-30 00:11:44,272 INFO L274 CegarLoopResult]: For program point L162-4(lines 162 170) no Hoare annotation was computed. [2020-11-30 00:11:44,273 INFO L274 CegarLoopResult]: For program point L162-5(lines 162 170) no Hoare annotation was computed. [2020-11-30 00:11:44,273 INFO L274 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,273 INFO L274 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,273 INFO L274 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,273 INFO L274 CegarLoopResult]: For program point L560-3(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,274 INFO L274 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,274 INFO L274 CegarLoopResult]: For program point L560-5(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,274 INFO L274 CegarLoopResult]: For program point L560-6(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,274 INFO L274 CegarLoopResult]: For program point L560-7(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,274 INFO L274 CegarLoopResult]: For program point L560-8(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,275 INFO L274 CegarLoopResult]: For program point L560-9(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,275 INFO L274 CegarLoopResult]: For program point L560-10(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,275 INFO L274 CegarLoopResult]: For program point L560-11(lines 560 566) no Hoare annotation was computed. [2020-11-30 00:11:44,275 INFO L274 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-11-30 00:11:44,275 INFO L270 CegarLoopResult]: At program point L100(lines 99 118) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2))) [2020-11-30 00:11:44,276 INFO L274 CegarLoopResult]: For program point L100-1(lines 100 106) no Hoare annotation was computed. [2020-11-30 00:11:44,276 INFO L270 CegarLoopResult]: At program point L100-2(lines 99 118) the Hoare annotation is: false [2020-11-30 00:11:44,276 INFO L270 CegarLoopResult]: At program point L100-3(lines 99 118) the Hoare annotation is: false [2020-11-30 00:11:44,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:11:44 BoogieIcfgContainer [2020-11-30 00:11:44,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:11:44,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:44,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:44,383 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:44,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:26" (3/4) ... [2020-11-30 00:11:44,389 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:11:44,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:11:44,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:11:44,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:11:44,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:11:44,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:11:44,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:11:44,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:11:44,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-30 00:11:44,500 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-30 00:11:44,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:44,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:44,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-11-30 00:11:44,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-30 00:11:44,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-30 00:11:44,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-11-30 00:11:44,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (1 <= methaneLevelCritical && ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)))) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) [2020-11-30 00:11:44,511 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0)) && 1 <= methaneLevelCritical)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) [2020-11-30 00:11:44,514 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) [2020-11-30 00:11:44,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:44,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,523 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,524 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,524 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:11:44,684 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_972468e3-15f9-4cb9-8671-ca0fed195020/bin/uautomizer/witness.graphml [2020-11-30 00:11:44,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:44,686 INFO L168 Benchmark]: Toolchain (without parser) took 21725.62 ms. Allocated memory was 92.3 MB in the beginning and 325.1 MB in the end (delta: 232.8 MB). Free memory was 54.8 MB in the beginning and 182.0 MB in the end (delta: -127.2 MB). Peak memory consumption was 106.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,686 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:44,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.93 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 56.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.43 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 50.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,688 INFO L168 Benchmark]: Boogie Preprocessor took 159.18 ms. Allocated memory is still 92.3 MB. Free memory was 50.9 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,688 INFO L168 Benchmark]: RCFGBuilder took 2030.21 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 46.3 MB in the beginning and 55.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,689 INFO L168 Benchmark]: TraceAbstraction took 18302.51 ms. Allocated memory was 111.1 MB in the beginning and 325.1 MB in the end (delta: 213.9 MB). Free memory was 54.8 MB in the beginning and 203.0 MB in the end (delta: -148.2 MB). Peak memory consumption was 170.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,689 INFO L168 Benchmark]: Witness Printer took 302.84 ms. Allocated memory is still 325.1 MB. Free memory was 203.0 MB in the beginning and 182.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:44,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 783.93 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 56.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.43 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 50.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.18 ms. Allocated memory is still 92.3 MB. Free memory was 50.9 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2030.21 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 46.3 MB in the beginning and 55.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18302.51 ms. Allocated memory was 111.1 MB in the beginning and 325.1 MB in the end (delta: 213.9 MB). Free memory was 54.8 MB in the beginning and 203.0 MB in the end (delta: -148.2 MB). Peak memory consumption was 170.4 MB. Max. memory is 16.1 GB. * Witness Printer took 302.84 ms. Allocated memory is still 325.1 MB. Free memory was 203.0 MB in the beginning and 182.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 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: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && 1 <= methaneLevelCritical) || ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1 <= \result && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (1 <= methaneLevelCritical && ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)))) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0)) && 1 <= methaneLevelCritical)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 234 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2056 SDtfs, 2257 SDslu, 3169 SDs, 0 SdLazy, 440 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=622occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 2103 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 93 LocationsWithAnnotation, 93 PreInvPairs, 359 NumberOfFragments, 1100 HoareAnnotationTreeSize, 93 FomulaSimplifications, 1486736 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 93 FomulaSimplificationsInter, 192350 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 57827 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1038 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 157/163 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...