./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:26:25,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:26:25,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:26:25,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:26:25,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:26:25,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:26:25,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:26:25,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:26:25,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:26:25,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:26:25,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:26:25,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:26:25,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:26:25,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:26:25,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:26:25,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:26:25,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:26:25,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:26:25,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:26:25,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:26:25,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:26:25,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:26:25,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:26:25,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:26:25,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:26:25,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:26:25,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:26:25,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:26:25,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:26:25,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:26:25,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:26:25,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:26:25,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:26:25,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:26:25,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:26:25,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:26:25,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:26:25,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:26:25,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:26:25,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:26:25,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:26:25,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:26:25,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:26:25,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:26:25,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:26:25,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:26:25,525 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:26:25,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:26:25,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:26:25,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:26:25,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:26:25,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:26:25,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:26:25,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:26:25,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:26:25,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:26:25,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:26:25,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:26:25,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:26:25,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:26:25,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:26:25,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:26:25,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:26:25,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:26:25,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:26:25,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:26:25,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:26:25,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:26:25,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:26:25,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:26:25,540 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_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2019-11-19 23:26:25,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:26:25,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:26:25,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:26:25,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:26:25,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:26:25,718 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-11-19 23:26:25,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/data/e6af7c1f4/7b7749bc862642db929eef7516e9985b/FLAG900e0c5b1 [2019-11-19 23:26:26,269 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:26:26,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-11-19 23:26:26,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/data/e6af7c1f4/7b7749bc862642db929eef7516e9985b/FLAG900e0c5b1 [2019-11-19 23:26:26,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/data/e6af7c1f4/7b7749bc862642db929eef7516e9985b [2019-11-19 23:26:26,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:26:26,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:26:26,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:26:26,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:26:26,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:26:26,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:26:26" (1/1) ... [2019-11-19 23:26:26,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ff4b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:26, skipping insertion in model container [2019-11-19 23:26:26,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:26:26" (1/1) ... [2019-11-19 23:26:26,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:26:26,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:26:27,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:26:27,130 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:26:27,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:26:27,239 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:26:27,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27 WrapperNode [2019-11-19 23:26:27,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:26:27,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:26:27,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:26:27,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:26:27,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:26:27,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:26:27,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:26:27,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:26:27,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... [2019-11-19 23:26:27,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:26:27,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:26:27,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:26:27,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:26:27,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/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 [2019-11-19 23:26:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:26:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:26:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:26:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:26:28,351 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:26:28,351 INFO L285 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-19 23:26:28,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:26:28 BoogieIcfgContainer [2019-11-19 23:26:28,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:26:28,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:26:28,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:26:28,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:26:28,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:26:26" (1/3) ... [2019-11-19 23:26:28,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5e479b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:26:28, skipping insertion in model container [2019-11-19 23:26:28,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:27" (2/3) ... [2019-11-19 23:26:28,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5e479b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:26:28, skipping insertion in model container [2019-11-19 23:26:28,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:26:28" (3/3) ... [2019-11-19 23:26:28,362 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2019-11-19 23:26:28,375 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:26:28,383 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 23:26:28,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 23:26:28,429 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:26:28,429 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:26:28,429 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:26:28,429 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:26:28,429 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:26:28,430 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:26:28,430 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:26:28,430 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:26:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-19 23:26:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:26:28,457 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:28,458 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:26:28,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:28,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:28,464 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2019-11-19 23:26:28,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:28,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716276957] [2019-11-19 23:26:28,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:28,772 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716276957] [2019-11-19 23:26:28,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:28,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:26:28,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153164200] [2019-11-19 23:26:28,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:26:28,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:28,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:26:28,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:26:28,800 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-19 23:26:28,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:28,840 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-19 23:26:28,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:26:28,841 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 23:26:28,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:28,852 INFO L225 Difference]: With dead ends: 228 [2019-11-19 23:26:28,852 INFO L226 Difference]: Without dead ends: 113 [2019-11-19 23:26:28,856 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 [2019-11-19 23:26:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-19 23:26:28,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-19 23:26:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-19 23:26:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-19 23:26:28,903 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-11-19 23:26:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:28,904 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-19 23:26:28,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:26:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-19 23:26:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 23:26:28,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:28,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:26:28,906 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:28,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:28,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2019-11-19 23:26:28,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:28,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334601691] [2019-11-19 23:26:28,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:29,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334601691] [2019-11-19 23:26:29,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:29,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:26:29,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741774021] [2019-11-19 23:26:29,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:26:29,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:29,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:26:29,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:26:29,003 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-19 23:26:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:29,032 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-19 23:26:29,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:26:29,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 23:26:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:29,034 INFO L225 Difference]: With dead ends: 113 [2019-11-19 23:26:29,036 INFO L226 Difference]: Without dead ends: 47 [2019-11-19 23:26:29,037 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 [2019-11-19 23:26:29,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-19 23:26:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-19 23:26:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 23:26:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-19 23:26:29,047 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-11-19 23:26:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:29,047 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-19 23:26:29,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:26:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-19 23:26:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:26:29,051 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:29,051 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] [2019-11-19 23:26:29,051 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:29,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:29,052 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2019-11-19 23:26:29,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:29,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463561819] [2019-11-19 23:26:29,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:29,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463561819] [2019-11-19 23:26:29,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:29,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:26:29,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550803016] [2019-11-19 23:26:29,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:26:29,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:29,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:26:29,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:26:29,220 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 6 states. [2019-11-19 23:26:29,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:29,347 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-19 23:26:29,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:26:29,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-19 23:26:29,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:29,349 INFO L225 Difference]: With dead ends: 88 [2019-11-19 23:26:29,349 INFO L226 Difference]: Without dead ends: 47 [2019-11-19 23:26:29,349 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 [2019-11-19 23:26:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-19 23:26:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-19 23:26:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 23:26:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-19 23:26:29,360 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-11-19 23:26:29,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:29,360 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-19 23:26:29,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:26:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-19 23:26:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:26:29,368 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:29,369 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] [2019-11-19 23:26:29,369 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:29,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:29,369 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2019-11-19 23:26:29,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:29,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619071922] [2019-11-19 23:26:29,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:29,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619071922] [2019-11-19 23:26:29,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:29,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:26:29,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426218921] [2019-11-19 23:26:29,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:26:29,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:29,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:26:29,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:26:29,471 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-19 23:26:29,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:29,525 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-11-19 23:26:29,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:26:29,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 23:26:29,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:29,528 INFO L225 Difference]: With dead ends: 111 [2019-11-19 23:26:29,528 INFO L226 Difference]: Without dead ends: 70 [2019-11-19 23:26:29,529 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 [2019-11-19 23:26:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-19 23:26:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-11-19 23:26:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-19 23:26:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-19 23:26:29,544 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-11-19 23:26:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:29,545 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-19 23:26:29,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:26:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-19 23:26:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:26:29,551 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:29,551 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] [2019-11-19 23:26:29,551 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:29,551 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2019-11-19 23:26:29,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:29,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121568013] [2019-11-19 23:26:29,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:29,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121568013] [2019-11-19 23:26:29,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:29,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:26:29,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820067971] [2019-11-19 23:26:29,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:26:29,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:29,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:26:29,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:26:29,625 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-11-19 23:26:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:29,707 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-11-19 23:26:29,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:26:29,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 23:26:29,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:29,709 INFO L225 Difference]: With dead ends: 183 [2019-11-19 23:26:29,710 INFO L226 Difference]: Without dead ends: 121 [2019-11-19 23:26:29,711 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 [2019-11-19 23:26:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-19 23:26:29,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-11-19 23:26:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-19 23:26:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-11-19 23:26:29,722 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-11-19 23:26:29,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:29,723 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-11-19 23:26:29,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:26:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-11-19 23:26:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:26:29,724 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:29,724 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] [2019-11-19 23:26:29,725 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:29,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:29,725 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2019-11-19 23:26:29,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:29,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773613117] [2019-11-19 23:26:29,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:29,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773613117] [2019-11-19 23:26:29,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:29,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:26:29,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506543729] [2019-11-19 23:26:29,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:26:29,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:29,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:26:29,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:26:29,791 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2019-11-19 23:26:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:29,930 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2019-11-19 23:26:29,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:26:29,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 23:26:29,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:29,934 INFO L225 Difference]: With dead ends: 373 [2019-11-19 23:26:29,934 INFO L226 Difference]: Without dead ends: 305 [2019-11-19 23:26:29,935 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:26:29,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-11-19 23:26:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-11-19 23:26:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-19 23:26:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2019-11-19 23:26:29,956 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2019-11-19 23:26:29,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:29,957 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2019-11-19 23:26:29,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:26:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2019-11-19 23:26:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:26:29,958 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:29,958 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] [2019-11-19 23:26:29,959 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:29,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:29,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2019-11-19 23:26:29,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:29,960 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695629542] [2019-11-19 23:26:29,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:30,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695629542] [2019-11-19 23:26:30,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:30,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:26:30,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795628938] [2019-11-19 23:26:30,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:26:30,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:30,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:26:30,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:26:30,043 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 5 states. [2019-11-19 23:26:30,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:30,266 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2019-11-19 23:26:30,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 23:26:30,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 23:26:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:30,271 INFO L225 Difference]: With dead ends: 628 [2019-11-19 23:26:30,271 INFO L226 Difference]: Without dead ends: 560 [2019-11-19 23:26:30,272 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 23:26:30,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-19 23:26:30,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-11-19 23:26:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-19 23:26:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2019-11-19 23:26:30,325 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 245 transitions. Word has length 33 [2019-11-19 23:26:30,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:30,326 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 245 transitions. [2019-11-19 23:26:30,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:26:30,326 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2019-11-19 23:26:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:26:30,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:30,330 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] [2019-11-19 23:26:30,331 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:30,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2019-11-19 23:26:30,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:30,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302403298] [2019-11-19 23:26:30,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:30,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302403298] [2019-11-19 23:26:30,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:30,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:26:30,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871209890] [2019-11-19 23:26:30,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:26:30,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:30,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:26:30,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:26:30,415 INFO L87 Difference]: Start difference. First operand 181 states and 245 transitions. Second operand 4 states. [2019-11-19 23:26:30,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:30,493 INFO L93 Difference]: Finished difference Result 448 states and 616 transitions. [2019-11-19 23:26:30,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:26:30,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-19 23:26:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:30,497 INFO L225 Difference]: With dead ends: 448 [2019-11-19 23:26:30,497 INFO L226 Difference]: Without dead ends: 318 [2019-11-19 23:26:30,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:26:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-19 23:26:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2019-11-19 23:26:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-19 23:26:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 237 transitions. [2019-11-19 23:26:30,520 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 237 transitions. Word has length 33 [2019-11-19 23:26:30,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:30,520 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 237 transitions. [2019-11-19 23:26:30,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:26:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2019-11-19 23:26:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:26:30,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:30,523 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] [2019-11-19 23:26:30,523 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:30,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:30,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2019-11-19 23:26:30,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:30,526 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899216520] [2019-11-19 23:26:30,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:30,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899216520] [2019-11-19 23:26:30,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:30,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 23:26:30,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007230476] [2019-11-19 23:26:30,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:26:30,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:30,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:26:30,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:26:30,634 INFO L87 Difference]: Start difference. First operand 175 states and 237 transitions. Second operand 7 states. [2019-11-19 23:26:30,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:30,910 INFO L93 Difference]: Finished difference Result 494 states and 680 transitions. [2019-11-19 23:26:30,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 23:26:30,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-19 23:26:30,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:30,913 INFO L225 Difference]: With dead ends: 494 [2019-11-19 23:26:30,913 INFO L226 Difference]: Without dead ends: 325 [2019-11-19 23:26:30,914 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-11-19 23:26:30,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-19 23:26:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 160. [2019-11-19 23:26:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-19 23:26:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2019-11-19 23:26:30,934 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 33 [2019-11-19 23:26:30,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:30,936 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2019-11-19 23:26:30,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:26:30,937 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2019-11-19 23:26:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:26:30,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:30,938 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] [2019-11-19 23:26:30,939 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:30,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:30,939 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2019-11-19 23:26:30,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:30,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640379844] [2019-11-19 23:26:30,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:31,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640379844] [2019-11-19 23:26:31,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:31,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 23:26:31,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726904499] [2019-11-19 23:26:31,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:26:31,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:31,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:26:31,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:26:31,033 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 7 states. [2019-11-19 23:26:31,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:31,152 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2019-11-19 23:26:31,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:26:31,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-19 23:26:31,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:31,155 INFO L225 Difference]: With dead ends: 434 [2019-11-19 23:26:31,156 INFO L226 Difference]: Without dead ends: 280 [2019-11-19 23:26:31,156 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-19 23:26:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-11-19 23:26:31,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2019-11-19 23:26:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-19 23:26:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2019-11-19 23:26:31,174 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 33 [2019-11-19 23:26:31,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:31,174 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2019-11-19 23:26:31,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:26:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2019-11-19 23:26:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 23:26:31,177 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:31,177 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:26:31,177 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:31,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:31,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2019-11-19 23:26:31,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:31,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952540546] [2019-11-19 23:26:31,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:31,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952540546] [2019-11-19 23:26:31,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:31,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:26:31,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179822241] [2019-11-19 23:26:31,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:26:31,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:31,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:26:31,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:26:31,236 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 5 states. [2019-11-19 23:26:31,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:31,388 INFO L93 Difference]: Finished difference Result 822 states and 1060 transitions. [2019-11-19 23:26:31,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 23:26:31,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-19 23:26:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:31,392 INFO L225 Difference]: With dead ends: 822 [2019-11-19 23:26:31,393 INFO L226 Difference]: Without dead ends: 668 [2019-11-19 23:26:31,393 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 [2019-11-19 23:26:31,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-11-19 23:26:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 312. [2019-11-19 23:26:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-11-19 23:26:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2019-11-19 23:26:31,437 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 51 [2019-11-19 23:26:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:31,438 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2019-11-19 23:26:31,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:26:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2019-11-19 23:26:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 23:26:31,439 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:31,440 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] [2019-11-19 23:26:31,440 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:31,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:31,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2019-11-19 23:26:31,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:31,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107136443] [2019-11-19 23:26:31,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:26:31,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107136443] [2019-11-19 23:26:31,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058458900] [2019-11-19 23:26:31,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/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 [2019-11-19 23:26:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:31,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 23:26:31,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:26:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:26:31,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:26:31,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-19 23:26:31,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183812787] [2019-11-19 23:26:31,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 23:26:31,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:31,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 23:26:31,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-19 23:26:31,780 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand 10 states. [2019-11-19 23:26:32,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:32,127 INFO L93 Difference]: Finished difference Result 764 states and 965 transitions. [2019-11-19 23:26:32,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 23:26:32,127 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-11-19 23:26:32,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:32,130 INFO L225 Difference]: With dead ends: 764 [2019-11-19 23:26:32,131 INFO L226 Difference]: Without dead ends: 458 [2019-11-19 23:26:32,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-19 23:26:32,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-11-19 23:26:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 296. [2019-11-19 23:26:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-19 23:26:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 364 transitions. [2019-11-19 23:26:32,176 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 364 transitions. Word has length 52 [2019-11-19 23:26:32,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:32,179 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 364 transitions. [2019-11-19 23:26:32,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 23:26:32,179 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 364 transitions. [2019-11-19 23:26:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 23:26:32,180 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:32,181 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:26:32,386 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:26:32,386 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:32,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:32,387 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2019-11-19 23:26:32,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:32,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818867853] [2019-11-19 23:26:32,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:26:32,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818867853] [2019-11-19 23:26:32,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:32,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:26:32,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795599875] [2019-11-19 23:26:32,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:26:32,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:32,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:26:32,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:26:32,451 INFO L87 Difference]: Start difference. First operand 296 states and 364 transitions. Second operand 6 states. [2019-11-19 23:26:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:32,622 INFO L93 Difference]: Finished difference Result 737 states and 924 transitions. [2019-11-19 23:26:32,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 23:26:32,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-19 23:26:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:32,623 INFO L225 Difference]: With dead ends: 737 [2019-11-19 23:26:32,623 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:26:32,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-19 23:26:32,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:26:32,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:26:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:26:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:26:32,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-19 23:26:32,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:32,625 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:26:32,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:26:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:26:32,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:26:32,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:26:32,978 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 159 [2019-11-19 23:26:33,497 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 227 [2019-11-19 23:26:33,789 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 103 [2019-11-19 23:26:34,343 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 191 [2019-11-19 23:26:34,782 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2019-11-19 23:26:35,009 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 158 [2019-11-19 23:26:35,938 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 39 [2019-11-19 23:26:37,396 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 224 DAG size of output: 41 [2019-11-19 23:26:37,606 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 36 [2019-11-19 23:26:37,998 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2019-11-19 23:26:38,265 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-11-19 23:26:38,434 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2019-11-19 23:26:38,794 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 43 [2019-11-19 23:26:39,574 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 34 [2019-11-19 23:26:40,632 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 212 DAG size of output: 34 [2019-11-19 23:26:40,880 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2019-11-19 23:26:41,482 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 48 [2019-11-19 23:26:41,485 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-11-19 23:26:41,485 INFO L440 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (and .cse8 .cse9 .cse10 .cse12 .cse11)) (.cse4 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse5 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (let ((.cse0 (and .cse4 (and (and .cse2 .cse8 .cse9 .cse10 .cse11) (not .cse12)) .cse5)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (and .cse3 (<= ~waterLevel~0 1)))) (or (and .cse0 .cse1) (and (and (and .cse2 .cse3) .cse4 .cse5) .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse6 .cse0) (and .cse1 .cse7) (and .cse6 .cse7))))) [2019-11-19 23:26:41,486 INFO L440 ceAbstractionStarter]: At program point L532-1(lines 532 538) the Hoare annotation is: false [2019-11-19 23:26:41,486 INFO L440 ceAbstractionStarter]: At program point L532-2(lines 532 538) the Hoare annotation is: false [2019-11-19 23:26:41,486 INFO L440 ceAbstractionStarter]: At program point L103(lines 99 105) 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)) [2019-11-19 23:26:41,486 INFO L440 ceAbstractionStarter]: At program point L929(lines 924 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 23:26:41,486 INFO L447 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-19 23:26:41,486 INFO L444 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-11-19 23:26:41,486 INFO L444 ceAbstractionStarter]: For program point L768-3(lines 768 772) no Hoare annotation was computed. [2019-11-19 23:26:41,494 INFO L440 ceAbstractionStarter]: At program point L636(lines 631 639) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) (= 0 ~methaneLevelCritical~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) (not (= ~pumpRunning~0 0)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 23:26:41,494 INFO L440 ceAbstractionStarter]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2019-11-19 23:26:41,494 INFO L444 ceAbstractionStarter]: For program point L768-6(lines 768 772) no Hoare annotation was computed. [2019-11-19 23:26:41,495 INFO L440 ceAbstractionStarter]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2019-11-19 23:26:41,495 INFO L444 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2019-11-19 23:26:41,495 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-11-19 23:26:41,496 INFO L440 ceAbstractionStarter]: At program point L837(lines 832 840) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8))) (or (and .cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse1 .cse2 (not .cse3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse4 .cse5 .cse6) (and (and (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse4 .cse3 .cse6) .cse2) .cse0 .cse1 .cse5))) [2019-11-19 23:26:41,496 INFO L440 ceAbstractionStarter]: At program point L837-1(lines 832 840) the Hoare annotation is: false [2019-11-19 23:26:41,497 INFO L440 ceAbstractionStarter]: At program point L837-2(lines 832 840) the Hoare annotation is: false [2019-11-19 23:26:41,498 INFO L440 ceAbstractionStarter]: At program point L805(lines 800 808) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (not (= ~pumpRunning~0 0))) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0))) [2019-11-19 23:26:41,499 INFO L440 ceAbstractionStarter]: At program point L805-1(lines 800 808) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse6 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse8 (and (= 1 ~systemActive~0) .cse10 .cse11 .cse13 .cse12))) (let ((.cse0 (and (<= ~waterLevel~0 1) .cse8)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (and (and (and .cse7 .cse10 .cse11 .cse12) (not .cse13)) .cse6 (= 1 ULTIMATE.start_main_~tmp~0) .cse9)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse5 .cse3 .cse4) (and (and .cse6 (and .cse7 .cse8) .cse9) .cse1 .cse2) (and .cse5 .cse1 .cse2))))) [2019-11-19 23:26:41,499 INFO L440 ceAbstractionStarter]: At program point L805-2(lines 800 808) the Hoare annotation is: false [2019-11-19 23:26:41,500 INFO L440 ceAbstractionStarter]: At program point L805-3(lines 800 808) the Hoare annotation is: false [2019-11-19 23:26:41,500 INFO L440 ceAbstractionStarter]: At program point L805-4(lines 800 808) the Hoare annotation is: false [2019-11-19 23:26:41,501 INFO L440 ceAbstractionStarter]: At program point L805-5(lines 800 808) the Hoare annotation is: false [2019-11-19 23:26:41,501 INFO L444 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2019-11-19 23:26:41,501 INFO L444 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-11-19 23:26:41,501 INFO L444 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-11-19 23:26:41,501 INFO L444 ceAbstractionStarter]: For program point L874-2(lines 874 894) no Hoare annotation was computed. [2019-11-19 23:26:41,502 INFO L444 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2019-11-19 23:26:41,502 INFO L444 ceAbstractionStarter]: For program point L874-4(lines 874 894) no Hoare annotation was computed. [2019-11-19 23:26:41,502 INFO L444 ceAbstractionStarter]: For program point L742-2(lines 525 531) no Hoare annotation was computed. [2019-11-19 23:26:41,502 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-19 23:26:41,502 INFO L444 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-11-19 23:26:41,502 INFO L444 ceAbstractionStarter]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2019-11-19 23:26:41,504 INFO L444 ceAbstractionStarter]: For program point L845-2(lines 845 851) no Hoare annotation was computed. [2019-11-19 23:26:41,504 INFO L444 ceAbstractionStarter]: For program point L845-3(lines 845 851) no Hoare annotation was computed. [2019-11-19 23:26:41,504 INFO L444 ceAbstractionStarter]: For program point L845-4(lines 845 851) no Hoare annotation was computed. [2019-11-19 23:26:41,504 INFO L444 ceAbstractionStarter]: For program point L845-5(lines 845 851) no Hoare annotation was computed. [2019-11-19 23:26:41,504 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:26:41,504 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-19 23:26:41,505 INFO L444 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-11-19 23:26:41,505 INFO L444 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2019-11-19 23:26:41,509 INFO L440 ceAbstractionStarter]: At program point L880-1(lines 1 932) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse15 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse16 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse14 (and .cse1 .cse2 .cse3 .cse4 .cse5))) (let ((.cse8 (and (<= ~waterLevel~0 1) .cse14)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse10 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse11 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (and (and (and .cse13 .cse1 .cse2 .cse3 .cse5) (not .cse4)) .cse15 .cse16)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse9 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 (and .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4 .cse5)) (and .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse12) (and .cse8 .cse0 .cse10 .cse11) (and .cse6 .cse7 (and (and .cse13 .cse14) .cse15 .cse16) .cse9) (and .cse12 .cse6 .cse7 .cse9))))) [2019-11-19 23:26:41,509 INFO L444 ceAbstractionStarter]: For program point L880-2(lines 880 893) no Hoare annotation was computed. [2019-11-19 23:26:41,509 INFO L440 ceAbstractionStarter]: At program point L880-3(lines 1 932) the Hoare annotation is: false [2019-11-19 23:26:41,510 INFO L444 ceAbstractionStarter]: For program point L880-4(lines 880 893) no Hoare annotation was computed. [2019-11-19 23:26:41,510 INFO L440 ceAbstractionStarter]: At program point L880-5(lines 1 932) the Hoare annotation is: false [2019-11-19 23:26:41,510 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2019-11-19 23:26:41,510 INFO L444 ceAbstractionStarter]: For program point L583-1(lines 583 600) no Hoare annotation was computed. [2019-11-19 23:26:41,510 INFO L444 ceAbstractionStarter]: For program point L583-2(lines 583 600) no Hoare annotation was computed. [2019-11-19 23:26:41,510 INFO L444 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-11-19 23:26:41,511 INFO L440 ceAbstractionStarter]: At program point L716-1(lines 716 722) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse6 .cse7 .cse8 .cse10 .cse9)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse6 .cse7 .cse8 .cse9) (not .cse10)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (and .cse5 .cse2 .cse3 .cse4)))) [2019-11-19 23:26:41,511 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-19 23:26:41,511 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 525 531) no Hoare annotation was computed. [2019-11-19 23:26:41,511 INFO L440 ceAbstractionStarter]: At program point L850(lines 841 854) the Hoare annotation is: false [2019-11-19 23:26:41,511 INFO L440 ceAbstractionStarter]: At program point L850-1(lines 841 854) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (and .cse4 (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 1) .cse5 .cse6 .cse7)) (.cse3 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) .cse4 .cse5 .cse6 .cse7)) (.cse0 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse2 .cse1) (and .cse3 .cse0)))) [2019-11-19 23:26:41,512 INFO L440 ceAbstractionStarter]: At program point L850-2(lines 841 854) the Hoare annotation is: false [2019-11-19 23:26:41,512 INFO L440 ceAbstractionStarter]: At program point L850-3(lines 841 854) the Hoare annotation is: false [2019-11-19 23:26:41,512 INFO L440 ceAbstractionStarter]: At program point L850-4(lines 841 854) the Hoare annotation is: false [2019-11-19 23:26:41,512 INFO L444 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,512 INFO L440 ceAbstractionStarter]: At program point L850-5(lines 841 854) the Hoare annotation is: false [2019-11-19 23:26:41,512 INFO L444 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,512 INFO L444 ceAbstractionStarter]: For program point L685-3(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-5(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-6(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-8(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-9(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-11(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-12(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-14(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-15(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,513 INFO L444 ceAbstractionStarter]: For program point L685-17(lines 685 689) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L440 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: false [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L884-4(lines 884 890) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L587-1(lines 587 595) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L557-1(lines 557 574) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L557-2(lines 557 574) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L557-3(lines 557 574) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L557-4(lines 557 574) no Hoare annotation was computed. [2019-11-19 23:26:41,514 INFO L444 ceAbstractionStarter]: For program point L557-5(lines 557 574) no Hoare annotation was computed. [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L921(lines 1 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L525(lines 524 543) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse5 .cse6 .cse8) (not .cse7)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (and (= 1 ~systemActive~0) .cse5 .cse6 .cse7 .cse8))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse4 .cse1) (and .cse3 .cse0)))) [2019-11-19 23:26:41,515 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L525-2(lines 524 543) the Hoare annotation is: false [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L525-3(lines 524 543) the Hoare annotation is: false [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L691(lines 676 694) the Hoare annotation is: false [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L691-1(lines 676 694) the Hoare annotation is: (let ((.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse15 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse10 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse15 .cse10 .cse11 .cse8 .cse12 .cse13 .cse14)) (.cse5 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse9 .cse10 .cse2 .cse12 .cse13 .cse14)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (not .cse15)) (.cse7 (and .cse9 (= 1 ~systemActive~0) .cse10 .cse11 .cse12 .cse13 .cse14)) (.cse6 (not .cse8))) (or (and .cse0 (and .cse1 .cse2)) (and .cse1 .cse3 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and (and .cse4 .cse7 .cse6) .cse0) (and (and .cse4 .cse5 .cse6) .cse0) (and .cse3 .cse4 .cse7 .cse6)))) [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L691-2(lines 676 694) the Hoare annotation is: false [2019-11-19 23:26:41,515 INFO L440 ceAbstractionStarter]: At program point L691-3(lines 676 694) the Hoare annotation is: false [2019-11-19 23:26:41,516 INFO L440 ceAbstractionStarter]: At program point L691-4(lines 676 694) the Hoare annotation is: false [2019-11-19 23:26:41,516 INFO L440 ceAbstractionStarter]: At program point L691-5(lines 676 694) the Hoare annotation is: false [2019-11-19 23:26:41,516 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-19 23:26:41,516 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-19 23:26:41,516 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:26:41,516 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-11-19 23:26:41,516 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-11-19 23:26:41,516 INFO L444 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-11-19 23:26:41,516 INFO L440 ceAbstractionStarter]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse5 .cse6 .cse8) (not .cse7)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (and (= 1 ~systemActive~0) .cse5 .cse6 .cse7 .cse8))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse4 .cse1) (and .cse3 .cse0)))) [2019-11-19 23:26:41,516 INFO L440 ceAbstractionStarter]: At program point L627(lines 620 630) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (not (= ~pumpRunning~0 0))) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))))) (or (and (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2019-11-19 23:26:41,516 INFO L440 ceAbstractionStarter]: At program point L627-1(lines 620 630) the Hoare annotation is: false [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L440 ceAbstractionStarter]: At program point L627-2(lines 620 630) the Hoare annotation is: false [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 561 569) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L561-2(lines 561 569) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L561-3(lines 561 569) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L561-4(lines 561 569) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L561-5(lines 561 569) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-11-19 23:26:41,517 INFO L444 ceAbstractionStarter]: For program point L860-2(line 860) no Hoare annotation was computed. [2019-11-19 23:26:41,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:26:41 BoogieIcfgContainer [2019-11-19 23:26:41,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:26:41,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:26:41,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:26:41,584 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:26:41,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:26:28" (3/4) ... [2019-11-19 23:26:41,590 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:26:41,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 23:26:41,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 23:26:41,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 23:26:41,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 23:26:41,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:26:41,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:26:41,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-19 23:26:41,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-11-19 23:26:41,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= methaneLevelCritical) && waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0))) || ((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp)) || (((1 <= tmp && 1 <= methaneLevelCritical) && ((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= \result)) || ((((((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-11-19 23:26:41,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == tmp)) || (((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-11-19 23:26:41,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 23:26:41,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 23:26:41,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) || (((((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (0 == methaneLevelCritical && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0))) || (1 <= methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1)) || (0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) [2019-11-19 23:26:41,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= \result) || (((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 0 == \result)) || ((((!(0 == \result) && 0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-11-19 23:26:41,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) || ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-11-19 23:26:41,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-11-19 23:26:41,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (0 == methaneLevelCritical && ((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) [2019-11-19 23:26:41,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && !(0 == \result)) && 0 == \result) && 1 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == systemActive) && 0 == tmp) && \result == systemActive) && 0 == tmp) && 0 == splverifierCounter) || (((((((((tmp == systemActive && waterLevel <= 1) && !(\result == 2)) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) [2019-11-19 23:26:41,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= methaneLevelCritical && ((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) || ((((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 1 == tmp)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((!(0 == \result) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((!(0 == \result) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) [2019-11-19 23:26:41,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == splverifierCounter [2019-11-19 23:26:41,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ddcbb84-4c84-48b7-b1e9-b0a15b0950e1/bin/uautomizer/witness.graphml [2019-11-19 23:26:41,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:26:41,754 INFO L168 Benchmark]: Toolchain (without parser) took 15199.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 946.1 MB in the beginning and 1.3 GB in the end (delta: -372.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:41,755 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:26:41,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:41,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.30 ms. Allocated memory is still 1.2 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. [2019-11-19 23:26:41,756 INFO L168 Benchmark]: Boogie Preprocessor took 77.25 ms. Allocated memory is still 1.2 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. [2019-11-19 23:26:41,756 INFO L168 Benchmark]: RCFGBuilder took 959.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:41,757 INFO L168 Benchmark]: TraceAbstraction took 13229.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 262.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -299.6 MB). Peak memory consumption was 459.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:41,757 INFO L168 Benchmark]: Witness Printer took 169.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:41,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.30 ms. Allocated memory is still 1.2 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 77.25 ms. Allocated memory is still 1.2 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 959.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13229.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 262.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -299.6 MB). Peak memory consumption was 459.3 MB. Max. memory is 11.5 GB. * Witness Printer took 169.21 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: 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: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == tmp)) || (((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) || (((((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (0 == methaneLevelCritical && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0))) || (1 <= methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1)) || (0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && ((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) || ((((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 1 == tmp)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((!(0 == \result) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((!(0 == \result) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == splverifierCounter - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((1 <= methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (0 == methaneLevelCritical && ((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && !(0 == \result)) && 0 == \result) && 1 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == systemActive) && 0 == tmp) && \result == systemActive) && 0 == tmp) && 0 == splverifierCounter) || (((((((((tmp == systemActive && waterLevel <= 1) && !(\result == 2)) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= \result) || (((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 0 == \result)) || ((((!(0 == \result) && 0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) || ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= methaneLevelCritical) && waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0))) || ((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp)) || (((1 <= tmp && 1 <= methaneLevelCritical) && ((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= \result)) || ((((((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 13.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, HoareTripleCheckerStatistics: 1355 SDtfs, 2324 SDslu, 2587 SDs, 0 SdLazy, 404 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=11, 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, 13 MinimizatonAttempts, 1558 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 230 NumberOfFragments, 1502 HoareAnnotationTreeSize, 45 FomulaSimplifications, 3440105 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 45 FomulaSimplificationsInter, 925569 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 39921 SizeOfPredicates, 4 NumberOfNonLiveVariables, 408 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 54/58 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...