./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57406ed1e8515a3807c9750d676c6ccf8b3f94ad .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:11:17,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:11:17,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:11:17,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:11:17,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:11:17,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:11:17,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:11:17,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:11:17,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:11:17,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:11:17,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:11:17,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:11:17,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:11:17,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:11:17,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:11:17,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:11:17,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:11:17,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:11:17,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:11:17,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:11:17,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:11:17,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:11:17,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:11:17,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:11:17,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:11:17,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:11:17,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:11:17,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:11:17,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:11:17,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:11:17,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:11:17,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:11:17,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:11:17,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:11:17,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:11:17,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:11:17,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:11:17,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:11:17,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:11:17,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:11:17,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:11:17,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:11:17,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:11:17,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:11:17,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:11:17,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:11:17,518 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:11:17,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:11:17,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:11:17,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:11:17,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:11:17,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:11:17,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:11:17,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:11:17,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:11:17,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:11:17,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:11:17,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:11:17,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:11:17,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:11:17,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:11:17,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:11:17,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e7aa3f09-d1c7-4e80-a467-36aa16681437/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(__VERIFIER_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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2019-12-07 14:11:17,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:11:17,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:11:17,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:11:17,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:11:17,640 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:11:17,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-12-07 14:11:17,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/data/317ffb86b/48d4fa9052004360a1952dceac511a1e/FLAGf14584562 [2019-12-07 14:11:18,050 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:11:18,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-12-07 14:11:18,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/data/317ffb86b/48d4fa9052004360a1952dceac511a1e/FLAGf14584562 [2019-12-07 14:11:18,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/data/317ffb86b/48d4fa9052004360a1952dceac511a1e [2019-12-07 14:11:18,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:11:18,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:11:18,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:11:18,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:11:18,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:11:18,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18, skipping insertion in model container [2019-12-07 14:11:18,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:11:18,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:11:18,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:11:18,347 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:11:18,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:11:18,431 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:11:18,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18 WrapperNode [2019-12-07 14:11:18,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:11:18,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:11:18,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:11:18,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:11:18,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:11:18,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:11:18,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:11:18,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:11:18,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... [2019-12-07 14:11:18,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:11:18,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:11:18,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:11:18,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:11:18,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/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 [2019-12-07 14:11:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:11:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:11:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:11:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:11:19,054 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:11:19,054 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-12-07 14:11:19,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:11:19 BoogieIcfgContainer [2019-12-07 14:11:19,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:11:19,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:11:19,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:11:19,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:11:19,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:11:18" (1/3) ... [2019-12-07 14:11:19,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2331518b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:11:19, skipping insertion in model container [2019-12-07 14:11:19,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:11:18" (2/3) ... [2019-12-07 14:11:19,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2331518b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:11:19, skipping insertion in model container [2019-12-07 14:11:19,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:11:19" (3/3) ... [2019-12-07 14:11:19,061 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-12-07 14:11:19,069 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:11:19,073 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 14:11:19,080 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 14:11:19,097 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:11:19,097 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:11:19,097 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:11:19,097 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:11:19,097 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:11:19,097 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:11:19,097 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:11:19,097 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:11:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-12-07 14:11:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 14:11:19,115 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,116 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:19,116 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,120 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2019-12-07 14:11:19,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584941823] [2019-12-07 14:11:19,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584941823] [2019-12-07 14:11:19,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:11:19,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639766106] [2019-12-07 14:11:19,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:11:19,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:11:19,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:11:19,301 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-12-07 14:11:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:19,324 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-12-07 14:11:19,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:11:19,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 14:11:19,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:19,333 INFO L225 Difference]: With dead ends: 271 [2019-12-07 14:11:19,334 INFO L226 Difference]: Without dead ends: 135 [2019-12-07 14:11:19,336 INFO L630 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 [2019-12-07 14:11:19,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-12-07 14:11:19,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-12-07 14:11:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-12-07 14:11:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-12-07 14:11:19,369 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-12-07 14:11:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:19,369 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-12-07 14:11:19,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:11:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-12-07 14:11:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:11:19,370 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,371 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:19,371 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2019-12-07 14:11:19,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329225898] [2019-12-07 14:11:19,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329225898] [2019-12-07 14:11:19,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:11:19,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449313742] [2019-12-07 14:11:19,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:11:19,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:11:19,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:11:19,436 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-12-07 14:11:19,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:19,448 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-12-07 14:11:19,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:11:19,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 14:11:19,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:19,450 INFO L225 Difference]: With dead ends: 135 [2019-12-07 14:11:19,450 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 14:11:19,451 INFO L630 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 [2019-12-07 14:11:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 14:11:19,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 14:11:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 14:11:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-12-07 14:11:19,457 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-12-07 14:11:19,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:19,457 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-12-07 14:11:19,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:11:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-12-07 14:11:19,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 14:11:19,458 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,458 INFO L410 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] [2019-12-07 14:11:19,459 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2019-12-07 14:11:19,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307910162] [2019-12-07 14:11:19,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307910162] [2019-12-07 14:11:19,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:11:19,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800518556] [2019-12-07 14:11:19,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:11:19,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:11:19,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:11:19,523 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-12-07 14:11:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:19,598 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-12-07 14:11:19,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:11:19,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-12-07 14:11:19,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:19,600 INFO L225 Difference]: With dead ends: 103 [2019-12-07 14:11:19,600 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 14:11:19,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:11:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 14:11:19,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 14:11:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 14:11:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-12-07 14:11:19,605 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-12-07 14:11:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:19,605 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-12-07 14:11:19,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:11:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-12-07 14:11:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 14:11:19,606 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,606 INFO L410 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] [2019-12-07 14:11:19,606 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2019-12-07 14:11:19,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504429677] [2019-12-07 14:11:19,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504429677] [2019-12-07 14:11:19,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:11:19,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981200466] [2019-12-07 14:11:19,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:11:19,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:11:19,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:11:19,641 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-12-07 14:11:19,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:19,661 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-12-07 14:11:19,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:11:19,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 14:11:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:19,662 INFO L225 Difference]: With dead ends: 125 [2019-12-07 14:11:19,662 INFO L226 Difference]: Without dead ends: 77 [2019-12-07 14:11:19,663 INFO L630 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 [2019-12-07 14:11:19,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-12-07 14:11:19,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-12-07 14:11:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 14:11:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-12-07 14:11:19,668 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-12-07 14:11:19,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:19,668 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-12-07 14:11:19,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:11:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-12-07 14:11:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 14:11:19,669 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,669 INFO L410 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] [2019-12-07 14:11:19,669 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,670 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2019-12-07 14:11:19,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082900958] [2019-12-07 14:11:19,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082900958] [2019-12-07 14:11:19,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:11:19,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378341033] [2019-12-07 14:11:19,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:11:19,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:11:19,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:11:19,703 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-12-07 14:11:19,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:19,723 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-12-07 14:11:19,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:11:19,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-12-07 14:11:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:19,725 INFO L225 Difference]: With dead ends: 194 [2019-12-07 14:11:19,725 INFO L226 Difference]: Without dead ends: 126 [2019-12-07 14:11:19,725 INFO L630 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 [2019-12-07 14:11:19,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-12-07 14:11:19,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-12-07 14:11:19,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 14:11:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-12-07 14:11:19,737 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-12-07 14:11:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:19,738 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-12-07 14:11:19,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:11:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-12-07 14:11:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 14:11:19,739 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,739 INFO L410 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] [2019-12-07 14:11:19,739 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,739 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2019-12-07 14:11:19,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227728663] [2019-12-07 14:11:19,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227728663] [2019-12-07 14:11:19,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:11:19,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509468555] [2019-12-07 14:11:19,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:11:19,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:11:19,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:11:19,793 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-12-07 14:11:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:19,892 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-12-07 14:11:19,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:11:19,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 14:11:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:19,896 INFO L225 Difference]: With dead ends: 622 [2019-12-07 14:11:19,896 INFO L226 Difference]: Without dead ends: 505 [2019-12-07 14:11:19,897 INFO L630 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 [2019-12-07 14:11:19,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-12-07 14:11:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-12-07 14:11:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-12-07 14:11:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-12-07 14:11:19,922 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-12-07 14:11:19,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:19,922 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-12-07 14:11:19,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:11:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-12-07 14:11:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 14:11:19,924 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:19,924 INFO L410 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] [2019-12-07 14:11:19,925 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:19,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:19,925 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2019-12-07 14:11:19,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:19,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470161021] [2019-12-07 14:11:19,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:19,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470161021] [2019-12-07 14:11:19,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:19,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 14:11:19,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649654124] [2019-12-07 14:11:19,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:11:19,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:19,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:11:19,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:11:19,966 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-12-07 14:11:20,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:20,077 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-12-07 14:11:20,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:11:20,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 14:11:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:20,082 INFO L225 Difference]: With dead ends: 865 [2019-12-07 14:11:20,082 INFO L226 Difference]: Without dead ends: 645 [2019-12-07 14:11:20,083 INFO L630 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 [2019-12-07 14:11:20,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-12-07 14:11:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-12-07 14:11:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-12-07 14:11:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-12-07 14:11:20,108 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-12-07 14:11:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:20,108 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-12-07 14:11:20,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:11:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-12-07 14:11:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 14:11:20,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:20,109 INFO L410 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] [2019-12-07 14:11:20,110 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:20,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:20,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2019-12-07 14:11:20,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:20,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299082696] [2019-12-07 14:11:20,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:20,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299082696] [2019-12-07 14:11:20,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:20,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:11:20,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745361419] [2019-12-07 14:11:20,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:11:20,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:20,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:11:20,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:11:20,145 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-12-07 14:11:20,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:20,204 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-12-07 14:11:20,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:11:20,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 14:11:20,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:20,207 INFO L225 Difference]: With dead ends: 609 [2019-12-07 14:11:20,207 INFO L226 Difference]: Without dead ends: 391 [2019-12-07 14:11:20,208 INFO L630 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 [2019-12-07 14:11:20,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-12-07 14:11:20,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-12-07 14:11:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-12-07 14:11:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-12-07 14:11:20,224 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-12-07 14:11:20,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:20,225 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-12-07 14:11:20,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:11:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-12-07 14:11:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 14:11:20,226 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:20,226 INFO L410 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] [2019-12-07 14:11:20,226 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:20,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2019-12-07 14:11:20,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:20,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936846198] [2019-12-07 14:11:20,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:20,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936846198] [2019-12-07 14:11:20,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:20,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 14:11:20,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645858547] [2019-12-07 14:11:20,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:11:20,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:20,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:11:20,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:11:20,271 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2019-12-07 14:11:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:20,346 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2019-12-07 14:11:20,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:11:20,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-12-07 14:11:20,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:20,347 INFO L225 Difference]: With dead ends: 550 [2019-12-07 14:11:20,347 INFO L226 Difference]: Without dead ends: 314 [2019-12-07 14:11:20,348 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:11:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-12-07 14:11:20,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2019-12-07 14:11:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 14:11:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-12-07 14:11:20,359 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-12-07 14:11:20,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:20,359 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-12-07 14:11:20,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:11:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-12-07 14:11:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 14:11:20,360 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:20,360 INFO L410 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] [2019-12-07 14:11:20,360 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:20,360 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2019-12-07 14:11:20,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:20,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714376785] [2019-12-07 14:11:20,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:20,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714376785] [2019-12-07 14:11:20,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:20,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 14:11:20,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315739103] [2019-12-07 14:11:20,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:11:20,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:20,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:11:20,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:11:20,399 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-12-07 14:11:20,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:20,551 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-12-07 14:11:20,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 14:11:20,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-12-07 14:11:20,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:20,554 INFO L225 Difference]: With dead ends: 615 [2019-12-07 14:11:20,554 INFO L226 Difference]: Without dead ends: 418 [2019-12-07 14:11:20,555 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-07 14:11:20,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-12-07 14:11:20,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-12-07 14:11:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 14:11:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-12-07 14:11:20,572 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-12-07 14:11:20,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:20,573 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-12-07 14:11:20,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:11:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-12-07 14:11:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 14:11:20,574 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:20,574 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:20,574 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:20,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2019-12-07 14:11:20,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:20,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232577925] [2019-12-07 14:11:20,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 14:11:20,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232577925] [2019-12-07 14:11:20,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:20,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 14:11:20,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085028660] [2019-12-07 14:11:20,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:11:20,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:20,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:11:20,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:11:20,634 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-12-07 14:11:20,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:20,711 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-12-07 14:11:20,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:11:20,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-12-07 14:11:20,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:20,714 INFO L225 Difference]: With dead ends: 516 [2019-12-07 14:11:20,714 INFO L226 Difference]: Without dead ends: 369 [2019-12-07 14:11:20,715 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-07 14:11:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-12-07 14:11:20,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-12-07 14:11:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-12-07 14:11:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-12-07 14:11:20,731 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-12-07 14:11:20,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:20,731 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-12-07 14:11:20,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:11:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-12-07 14:11:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 14:11:20,732 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:20,732 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:20,733 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:20,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:20,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2019-12-07 14:11:20,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:20,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956149027] [2019-12-07 14:11:20,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:20,767 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956149027] [2019-12-07 14:11:20,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:20,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 14:11:20,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599127639] [2019-12-07 14:11:20,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 14:11:20,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:20,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 14:11:20,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 14:11:20,768 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-12-07 14:11:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:20,802 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-12-07 14:11:20,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 14:11:20,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-12-07 14:11:20,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:20,804 INFO L225 Difference]: With dead ends: 331 [2019-12-07 14:11:20,804 INFO L226 Difference]: Without dead ends: 329 [2019-12-07 14:11:20,804 INFO L630 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 [2019-12-07 14:11:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-12-07 14:11:20,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-12-07 14:11:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-12-07 14:11:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-12-07 14:11:20,822 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-12-07 14:11:20,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:20,822 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-12-07 14:11:20,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 14:11:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-12-07 14:11:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 14:11:20,823 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:20,823 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:20,823 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:20,824 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2019-12-07 14:11:20,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:20,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897513670] [2019-12-07 14:11:20,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 14:11:20,930 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897513670] [2019-12-07 14:11:20,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:11:20,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:11:20,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044461364] [2019-12-07 14:11:20,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:11:20,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:20,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:11:20,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:11:20,931 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-12-07 14:11:21,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:21,169 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2019-12-07 14:11:21,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:11:21,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-12-07 14:11:21,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:21,172 INFO L225 Difference]: With dead ends: 641 [2019-12-07 14:11:21,172 INFO L226 Difference]: Without dead ends: 462 [2019-12-07 14:11:21,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:11:21,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-12-07 14:11:21,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2019-12-07 14:11:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-12-07 14:11:21,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-12-07 14:11:21,202 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-12-07 14:11:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:21,202 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-12-07 14:11:21,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:11:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-12-07 14:11:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 14:11:21,203 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:21,203 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:21,204 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:21,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:21,204 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2019-12-07 14:11:21,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:21,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434474508] [2019-12-07 14:11:21,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:21,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434474508] [2019-12-07 14:11:21,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225047436] [2019-12-07 14:11:21,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/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 [2019-12-07 14:11:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:21,341 INFO L264 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 14:11:21,349 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:11:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:11:21,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:11:21,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-12-07 14:11:21,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420212665] [2019-12-07 14:11:21,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 14:11:21,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:21,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 14:11:21,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:11:21,371 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-12-07 14:11:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:21,437 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-12-07 14:11:21,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:11:21,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-12-07 14:11:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:21,439 INFO L225 Difference]: With dead ends: 559 [2019-12-07 14:11:21,439 INFO L226 Difference]: Without dead ends: 294 [2019-12-07 14:11:21,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 14:11:21,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-12-07 14:11:21,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-12-07 14:11:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-12-07 14:11:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-12-07 14:11:21,473 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-12-07 14:11:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:21,473 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-12-07 14:11:21,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 14:11:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-12-07 14:11:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-07 14:11:21,474 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:11:21,474 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:11:21,675 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:11:21,675 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:11:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:11:21,676 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2019-12-07 14:11:21,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:11:21,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579158163] [2019-12-07 14:11:21,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:11:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:11:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 14:11:21,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579158163] [2019-12-07 14:11:21,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932619647] [2019-12-07 14:11:21,748 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/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 [2019-12-07 14:11:21,854 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-07 14:11:21,854 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 14:11:21,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:11:21,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:11:21,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:11:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 14:11:21,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:11:21,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-12-07 14:11:21,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552478133] [2019-12-07 14:11:21,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:11:21,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:11:21,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:11:21,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:11:21,886 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-12-07 14:11:21,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:11:21,990 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2019-12-07 14:11:21,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:11:21,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-12-07 14:11:21,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:11:21,990 INFO L225 Difference]: With dead ends: 608 [2019-12-07 14:11:21,990 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:11:21,991 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:11:21,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:11:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:11:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:11:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:11:21,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-12-07 14:11:21,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:11:21,992 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:11:21,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:11:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:11:21,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:11:22,192 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:11:22,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:11:22,446 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 179 [2019-12-07 14:11:22,621 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2019-12-07 14:11:22,771 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 184 [2019-12-07 14:11:23,371 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2019-12-07 14:11:24,141 WARN L192 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2019-12-07 14:11:25,083 WARN L192 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2019-12-07 14:11:25,985 WARN L192 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 37 [2019-12-07 14:11:26,684 WARN L192 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2019-12-07 14:11:27,016 WARN L192 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-12-07 14:11:27,404 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2019-12-07 14:11:27,991 WARN L192 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2019-12-07 14:11:28,183 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2019-12-07 14:11:28,387 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2019-12-07 14:11:28,696 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2019-12-07 14:11:29,329 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 32 [2019-12-07 14:11:29,334 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-12-07 14:11:29,335 INFO L242 CegarLoopResult]: At program point L201-2(lines 201 215) the Hoare annotation is: false [2019-12-07 14:11:29,335 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-12-07 14:11:29,335 INFO L246 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-12-07 14:11:29,335 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2019-12-07 14:11:29,335 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2019-12-07 14:11:29,335 INFO L246 CegarLoopResult]: For program point L169-3(lines 169 175) no Hoare annotation was computed. [2019-12-07 14:11:29,335 INFO L246 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L169-5(lines 169 175) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L435-2(lines 435 441) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L402-2(lines 402 410) no Hoare annotation was computed. [2019-12-07 14:11:29,336 INFO L246 CegarLoopResult]: For program point L435-4(lines 435 441) no Hoare annotation was computed. [2019-12-07 14:11:29,337 INFO L246 CegarLoopResult]: For program point L435-6(lines 435 441) no Hoare annotation was computed. [2019-12-07 14:11:29,337 INFO L246 CegarLoopResult]: For program point L435-8(lines 435 441) no Hoare annotation was computed. [2019-12-07 14:11:29,337 INFO L246 CegarLoopResult]: For program point L435-10(lines 435 441) no Hoare annotation was computed. [2019-12-07 14:11:29,337 INFO L246 CegarLoopResult]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-12-07 14:11:29,337 INFO L242 CegarLoopResult]: At program point L568-1(lines 568 574) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse6 .cse7 .cse4 (= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse4 .cse5))) [2019-12-07 14:11:29,338 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-12-07 14:11:29,338 INFO L242 CegarLoopResult]: At program point L469-1(lines 464 472) the Hoare annotation is: false [2019-12-07 14:11:29,338 INFO L242 CegarLoopResult]: At program point L469-2(lines 464 472) the Hoare annotation is: false [2019-12-07 14:11:29,338 INFO L246 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-12-07 14:11:29,338 INFO L246 CegarLoopResult]: For program point L205-1(lines 340 346) no Hoare annotation was computed. [2019-12-07 14:11:29,338 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 14:11:29,338 INFO L246 CegarLoopResult]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L537-3(lines 537 541) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L537-5(lines 537 541) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L372-1(lines 372 389) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L537-6(lines 537 541) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L372-2(lines 372 389) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L372-3(lines 372 389) no Hoare annotation was computed. [2019-12-07 14:11:29,339 INFO L246 CegarLoopResult]: For program point L537-8(lines 537 541) no Hoare annotation was computed. [2019-12-07 14:11:29,340 INFO L246 CegarLoopResult]: For program point L372-4(lines 372 389) no Hoare annotation was computed. [2019-12-07 14:11:29,340 INFO L246 CegarLoopResult]: For program point L372-5(lines 372 389) no Hoare annotation was computed. [2019-12-07 14:11:29,340 INFO L242 CegarLoopResult]: At program point L174(lines 165 178) the Hoare annotation is: false [2019-12-07 14:11:29,340 INFO L242 CegarLoopResult]: At program point L174-1(lines 165 178) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse10 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse3 .cse9 .cse10 .cse4 .cse5) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse9 .cse10 .cse4 .cse5 .cse6))) [2019-12-07 14:11:29,340 INFO L242 CegarLoopResult]: At program point L174-2(lines 165 178) the Hoare annotation is: false [2019-12-07 14:11:29,340 INFO L242 CegarLoopResult]: At program point L174-3(lines 165 178) the Hoare annotation is: false [2019-12-07 14:11:29,340 INFO L242 CegarLoopResult]: At program point L174-4(lines 165 178) the Hoare annotation is: false [2019-12-07 14:11:29,341 INFO L242 CegarLoopResult]: At program point L174-5(lines 165 178) the Hoare annotation is: false [2019-12-07 14:11:29,341 INFO L242 CegarLoopResult]: At program point L604(lines 557 605) the Hoare annotation is: false [2019-12-07 14:11:29,341 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-12-07 14:11:29,341 INFO L242 CegarLoopResult]: At program point L340(lines 339 358) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-12-07 14:11:29,341 INFO L246 CegarLoopResult]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-12-07 14:11:29,341 INFO L242 CegarLoopResult]: At program point L340-2(lines 339 358) the Hoare annotation is: false [2019-12-07 14:11:29,342 INFO L242 CegarLoopResult]: At program point L340-3(lines 339 358) the Hoare annotation is: false [2019-12-07 14:11:29,342 INFO L246 CegarLoopResult]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-12-07 14:11:29,342 INFO L246 CegarLoopResult]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-12-07 14:11:29,342 INFO L242 CegarLoopResult]: At program point L309-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5 (= 1 ~methaneLevelCritical~0) .cse6))) [2019-12-07 14:11:29,342 INFO L246 CegarLoopResult]: For program point L309-2(lines 309 326) no Hoare annotation was computed. [2019-12-07 14:11:29,342 INFO L249 CegarLoopResult]: At program point L276-1(lines 276 283) the Hoare annotation is: true [2019-12-07 14:11:29,342 INFO L242 CegarLoopResult]: At program point L309-3(lines 1 986) the Hoare annotation is: false [2019-12-07 14:11:29,342 INFO L246 CegarLoopResult]: For program point L309-4(lines 309 326) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L242 CegarLoopResult]: At program point L309-5(lines 1 986) the Hoare annotation is: false [2019-12-07 14:11:29,343 INFO L246 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L246 CegarLoopResult]: For program point L376-1(lines 376 384) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L246 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L246 CegarLoopResult]: For program point L376-3(lines 376 384) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L246 CegarLoopResult]: For program point L376-4(lines 376 384) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L246 CegarLoopResult]: For program point L376-5(lines 376 384) no Hoare annotation was computed. [2019-12-07 14:11:29,343 INFO L242 CegarLoopResult]: At program point L543(lines 528 546) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (let ((.cse9 (= 0 ~waterLevel~0))) (or (and .cse9 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~6)) (and (not .cse9) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6))))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-12-07 14:11:29,344 INFO L242 CegarLoopResult]: At program point L543-1(lines 528 546) the Hoare annotation is: false [2019-12-07 14:11:29,344 INFO L242 CegarLoopResult]: At program point L543-2(lines 528 546) the Hoare annotation is: false [2019-12-07 14:11:29,344 INFO L246 CegarLoopResult]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-12-07 14:11:29,344 INFO L246 CegarLoopResult]: For program point L313-2(lines 313 323) no Hoare annotation was computed. [2019-12-07 14:11:29,344 INFO L246 CegarLoopResult]: For program point L313-4(lines 313 323) no Hoare annotation was computed. [2019-12-07 14:11:29,344 INFO L246 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-12-07 14:11:29,344 INFO L242 CegarLoopResult]: At program point L578-1(lines 578 584) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (= |ULTIMATE.start_valid_product_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse0 .cse1 .cse4) (and .cse8 .cse9 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6))) [2019-12-07 14:11:29,345 INFO L242 CegarLoopResult]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse6 .cse3 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse4 .cse2 .cse5 .cse6 .cse3))) [2019-12-07 14:11:29,345 INFO L246 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-12-07 14:11:29,345 INFO L242 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: false [2019-12-07 14:11:29,345 INFO L242 CegarLoopResult]: At program point L347-2(lines 347 353) the Hoare annotation is: false [2019-12-07 14:11:29,345 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 320) no Hoare annotation was computed. [2019-12-07 14:11:29,345 INFO L246 CegarLoopResult]: For program point L314-4(lines 314 320) no Hoare annotation was computed. [2019-12-07 14:11:29,345 INFO L246 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-12-07 14:11:29,345 INFO L242 CegarLoopResult]: At program point L250(lines 246 252) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 14:11:29,346 INFO L242 CegarLoopResult]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 14:11:29,346 INFO L242 CegarLoopResult]: At program point L184-1(lines 179 187) the Hoare annotation is: false [2019-12-07 14:11:29,346 INFO L242 CegarLoopResult]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2019-12-07 14:11:29,346 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:11:29,346 INFO L249 CegarLoopResult]: At program point L285(lines 266 288) the Hoare annotation is: true [2019-12-07 14:11:29,346 INFO L246 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,346 INFO L246 CegarLoopResult]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-3(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-5(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-6(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-8(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-9(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-11(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-12(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-14(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,347 INFO L246 CegarLoopResult]: For program point L518-15(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L518-17(lines 518 522) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L983-2(line 983) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-12-07 14:11:29,348 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L524(lines 509 527) the Hoare annotation is: false [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L524-1(lines 509 527) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5))) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse0 .cse11 .cse3 .cse12 .cse4 .cse5) (and .cse8 .cse10 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse7 .cse9 .cse0 .cse11 .cse2 .cse3 .cse12 .cse4 .cse5 .cse6))) [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L524-2(lines 509 527) the Hoare annotation is: false [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L524-3(lines 509 527) the Hoare annotation is: false [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L524-4(lines 509 527) the Hoare annotation is: false [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L524-5(lines 509 527) the Hoare annotation is: false [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,349 INFO L242 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5))) [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and .cse6 .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse5))) [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-3(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-4(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-5(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-6(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-7(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L129-8(lines 124 132) the Hoare annotation is: false [2019-12-07 14:11:29,350 INFO L246 CegarLoopResult]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-12-07 14:11:29,350 INFO L242 CegarLoopResult]: At program point L460(lines 453 463) the Hoare annotation is: false [2019-12-07 14:11:29,351 INFO L242 CegarLoopResult]: At program point L460-1(lines 453 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 14:11:29,351 INFO L242 CegarLoopResult]: At program point L460-2(lines 453 463) the Hoare annotation is: false [2019-12-07 14:11:29,351 INFO L242 CegarLoopResult]: At program point L460-3(lines 453 463) the Hoare annotation is: false [2019-12-07 14:11:29,351 INFO L242 CegarLoopResult]: At program point L460-4(lines 453 463) the Hoare annotation is: false [2019-12-07 14:11:29,351 INFO L242 CegarLoopResult]: At program point L460-5(lines 453 463) the Hoare annotation is: false [2019-12-07 14:11:29,351 INFO L246 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-12-07 14:11:29,351 INFO L242 CegarLoopResult]: At program point L65(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 14:11:29,351 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:11:29,351 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-12-07 14:11:29,351 INFO L246 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-12-07 14:11:29,352 INFO L246 CegarLoopResult]: For program point L594-2(lines 340 346) no Hoare annotation was computed. [2019-12-07 14:11:29,352 INFO L242 CegarLoopResult]: At program point L298(lines 293 300) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 14:11:29,352 INFO L246 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-12-07 14:11:29,352 INFO L246 CegarLoopResult]: For program point L398-1(lines 398 415) no Hoare annotation was computed. [2019-12-07 14:11:29,352 INFO L246 CegarLoopResult]: For program point L398-2(lines 398 415) no Hoare annotation was computed. [2019-12-07 14:11:29,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:11:29 BoogieIcfgContainer [2019-12-07 14:11:29,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:11:29,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:11:29,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:11:29,388 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:11:29,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:11:19" (3/4) ... [2019-12-07 14:11:29,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:11:29,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 14:11:29,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 14:11:29,408 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 14:11:29,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 14:11:29,410 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:11:29,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:11:29,412 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:11:29,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-12-07 14:11:29,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-12-07 14:11:29,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-12-07 14:11:29,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 14:11:29,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 14:11:29,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || ((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 14:11:29,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) [2019-12-07 14:11:29,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 14:11:29,434 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) [2019-12-07 14:11:29,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((tmp == systemActive && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 14:11:29,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 14:11:29,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-12-07 14:11:29,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == \result) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((!(0 == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) [2019-12-07 14:11:29,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 14:11:29,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 14:11:29,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 14:11:29,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e7aa3f09-d1c7-4e80-a467-36aa16681437/bin/uautomizer/witness.graphml [2019-12-07 14:11:29,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:11:29,485 INFO L168 Benchmark]: Toolchain (without parser) took 11413.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -70.8 MB). Peak memory consumption was 220.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,485 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:11:29,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,486 INFO L168 Benchmark]: Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,486 INFO L168 Benchmark]: RCFGBuilder took 538.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,486 INFO L168 Benchmark]: TraceAbstraction took 10331.84 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 198.7 MB). Free memory was 992.2 MB in the beginning and 1.0 GB in the end (delta: -46.4 MB). Peak memory consumption was 303.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,486 INFO L168 Benchmark]: Witness Printer took 95.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:11:29,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 538.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10331.84 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 198.7 MB). Free memory was 992.2 MB in the beginning and 1.0 GB in the end (delta: -46.4 MB). Peak memory consumption was 303.1 MB. Max. memory is 11.5 GB. * Witness Printer took 95.75 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: 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: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || ((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((tmp == systemActive && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((((!(0 == \result) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((!(0 == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, HoareTripleCheckerStatistics: 1699 SDtfs, 2443 SDslu, 2675 SDs, 0 SdLazy, 384 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 1639 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1054 HoareAnnotationTreeSize, 55 FomulaSimplifications, 4303793 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 826731 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 98689 SizeOfPredicates, 5 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 246/290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...