./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:27,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:27,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:27,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:27,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:27,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:27,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:27,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:27,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:27,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:27,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:27,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:27,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:27,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:27,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:27,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:27,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:27,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:27,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:27,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:27,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:27,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:27,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:27,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:27,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:27,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:27,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:27,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:27,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:27,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:27,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:27,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:27,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:27,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:27,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:27,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:27,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:27,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:27,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:27,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:27,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:27,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:53:27,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:27,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:27,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:27,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:27,774 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:27,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:27,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:27,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:27,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:27,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:27,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:53:27,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:53:27,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:53:27,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:27,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:27,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:27,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:53:27,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:27,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:27,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:53:27,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:53:27,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:27,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:27,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:53:27,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:53:27,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:27,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:53:27,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:53:27,780 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_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2019-11-25 08:53:27,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:27,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:27,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:27,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:27,954 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:27,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-11-25 08:53:28,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/data/78ae62cd8/8dd9dcd4f0c0481a87ff792a2fa24d1a/FLAGe92f1518c [2019-11-25 08:53:28,416 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:28,417 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-11-25 08:53:28,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/data/78ae62cd8/8dd9dcd4f0c0481a87ff792a2fa24d1a/FLAGe92f1518c [2019-11-25 08:53:28,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/data/78ae62cd8/8dd9dcd4f0c0481a87ff792a2fa24d1a [2019-11-25 08:53:28,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:28,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:28,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:28,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:28,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:28,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:28" (1/1) ... [2019-11-25 08:53:28,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282c9ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:28, skipping insertion in model container [2019-11-25 08:53:28,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:28" (1/1) ... [2019-11-25 08:53:28,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:28,800 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:29,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:29,174 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:29,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:29,305 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:29,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29 WrapperNode [2019-11-25 08:53:29,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:29,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:29,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:29,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:29,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:29,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:29,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:29,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:29,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... [2019-11-25 08:53:29,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:29,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:29,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:29,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:29,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/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 [2019-11-25 08:53:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:53:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:53:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:30,338 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:30,338 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-25 08:53:30,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:30 BoogieIcfgContainer [2019-11-25 08:53:30,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:30,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:53:30,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:53:30,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:53:30,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:53:28" (1/3) ... [2019-11-25 08:53:30,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd0be41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:30, skipping insertion in model container [2019-11-25 08:53:30,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:29" (2/3) ... [2019-11-25 08:53:30,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd0be41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:30, skipping insertion in model container [2019-11-25 08:53:30,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:30" (3/3) ... [2019-11-25 08:53:30,346 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2019-11-25 08:53:30,354 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:53:30,360 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:53:30,370 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:53:30,393 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:53:30,393 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:53:30,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:53:30,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:30,394 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:30,394 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:53:30,395 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:30,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:53:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-11-25 08:53:30,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:53:30,426 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:30,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:30,428 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:30,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:30,433 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2019-11-25 08:53:30,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:30,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612558280] [2019-11-25 08:53:30,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:30,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612558280] [2019-11-25 08:53:30,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:30,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:30,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848302982] [2019-11-25 08:53:30,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:53:30,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:30,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:53:30,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:53:30,663 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-11-25 08:53:30,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:30,689 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-11-25 08:53:30,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:53:30,691 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:53:30,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:30,700 INFO L225 Difference]: With dead ends: 235 [2019-11-25 08:53:30,700 INFO L226 Difference]: Without dead ends: 117 [2019-11-25 08:53:30,703 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 [2019-11-25 08:53:30,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-25 08:53:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-25 08:53:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-25 08:53:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-11-25 08:53:30,744 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-11-25 08:53:30,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:30,744 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-11-25 08:53:30,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:53:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-11-25 08:53:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:53:30,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:30,746 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:30,746 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:30,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:30,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2019-11-25 08:53:30,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:30,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005938933] [2019-11-25 08:53:30,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:30,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005938933] [2019-11-25 08:53:30,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:30,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:30,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184629303] [2019-11-25 08:53:30,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:30,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:30,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:30,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:30,838 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-11-25 08:53:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:30,849 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-11-25 08:53:30,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:30,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:53:30,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:30,851 INFO L225 Difference]: With dead ends: 117 [2019-11-25 08:53:30,851 INFO L226 Difference]: Without dead ends: 49 [2019-11-25 08:53:30,852 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 [2019-11-25 08:53:30,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-25 08:53:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-25 08:53:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-25 08:53:30,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-25 08:53:30,858 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-25 08:53:30,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:30,858 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-25 08:53:30,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-25 08:53:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:53:30,859 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:30,860 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] [2019-11-25 08:53:30,860 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:30,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:30,860 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2019-11-25 08:53:30,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:30,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241054460] [2019-11-25 08:53:30,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:30,958 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241054460] [2019-11-25 08:53:30,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:30,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:30,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956042696] [2019-11-25 08:53:30,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:30,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:30,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:30,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:30,960 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-25 08:53:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:30,978 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-11-25 08:53:30,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:30,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:53:30,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:30,983 INFO L225 Difference]: With dead ends: 91 [2019-11-25 08:53:30,983 INFO L226 Difference]: Without dead ends: 49 [2019-11-25 08:53:30,984 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 [2019-11-25 08:53:30,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-25 08:53:30,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-25 08:53:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-25 08:53:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-25 08:53:30,989 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-25 08:53:30,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:30,990 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-25 08:53:30,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:30,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-25 08:53:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:53:30,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:30,991 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] [2019-11-25 08:53:30,992 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:30,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:30,992 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2019-11-25 08:53:30,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:30,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81109289] [2019-11-25 08:53:30,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:31,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81109289] [2019-11-25 08:53:31,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:31,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:31,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511330099] [2019-11-25 08:53:31,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:31,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:31,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:31,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:31,097 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-25 08:53:31,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:31,143 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-25 08:53:31,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:31,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:53:31,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:31,145 INFO L225 Difference]: With dead ends: 113 [2019-11-25 08:53:31,145 INFO L226 Difference]: Without dead ends: 71 [2019-11-25 08:53:31,145 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 [2019-11-25 08:53:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-25 08:53:31,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-11-25 08:53:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-25 08:53:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-11-25 08:53:31,154 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-11-25 08:53:31,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:31,154 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-11-25 08:53:31,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-11-25 08:53:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:53:31,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:31,156 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] [2019-11-25 08:53:31,156 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:31,157 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2019-11-25 08:53:31,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:31,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908953697] [2019-11-25 08:53:31,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:31,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908953697] [2019-11-25 08:53:31,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:31,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:31,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757919243] [2019-11-25 08:53:31,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:31,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:31,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:31,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:31,222 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-11-25 08:53:31,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:31,299 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-11-25 08:53:31,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:53:31,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-25 08:53:31,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:31,301 INFO L225 Difference]: With dead ends: 182 [2019-11-25 08:53:31,301 INFO L226 Difference]: Without dead ends: 120 [2019-11-25 08:53:31,302 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 [2019-11-25 08:53:31,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-25 08:53:31,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-11-25 08:53:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-25 08:53:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-11-25 08:53:31,323 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-11-25 08:53:31,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:31,323 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-11-25 08:53:31,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-11-25 08:53:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:53:31,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:31,326 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] [2019-11-25 08:53:31,327 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:31,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:31,327 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2019-11-25 08:53:31,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:31,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067360276] [2019-11-25 08:53:31,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:31,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067360276] [2019-11-25 08:53:31,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:31,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:31,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246677924] [2019-11-25 08:53:31,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:31,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:31,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:31,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:31,396 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-11-25 08:53:31,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:31,481 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-11-25 08:53:31,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:53:31,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-25 08:53:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:31,484 INFO L225 Difference]: With dead ends: 387 [2019-11-25 08:53:31,484 INFO L226 Difference]: Without dead ends: 319 [2019-11-25 08:53:31,485 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 [2019-11-25 08:53:31,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-25 08:53:31,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-11-25 08:53:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-25 08:53:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-11-25 08:53:31,503 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-11-25 08:53:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:31,504 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-11-25 08:53:31,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:31,504 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-11-25 08:53:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:31,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:31,506 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] [2019-11-25 08:53:31,506 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:31,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:31,506 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2019-11-25 08:53:31,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:31,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653942998] [2019-11-25 08:53:31,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:31,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653942998] [2019-11-25 08:53:31,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:31,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:53:31,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293383697] [2019-11-25 08:53:31,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:31,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:31,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:31,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:31,581 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-11-25 08:53:31,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:31,722 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-11-25 08:53:31,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:53:31,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:53:31,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:31,726 INFO L225 Difference]: With dead ends: 506 [2019-11-25 08:53:31,726 INFO L226 Difference]: Without dead ends: 378 [2019-11-25 08:53:31,727 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 [2019-11-25 08:53:31,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-25 08:53:31,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-11-25 08:53:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-25 08:53:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-11-25 08:53:31,742 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-11-25 08:53:31,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:31,743 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-11-25 08:53:31,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-11-25 08:53:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:31,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:31,744 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] [2019-11-25 08:53:31,745 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:31,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:31,745 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2019-11-25 08:53:31,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:31,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534740581] [2019-11-25 08:53:31,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:31,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534740581] [2019-11-25 08:53:31,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:31,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:31,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695895169] [2019-11-25 08:53:31,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:31,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:31,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:31,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:31,801 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-11-25 08:53:31,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:31,906 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-11-25 08:53:31,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:53:31,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-25 08:53:31,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:31,908 INFO L225 Difference]: With dead ends: 357 [2019-11-25 08:53:31,909 INFO L226 Difference]: Without dead ends: 230 [2019-11-25 08:53:31,909 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:53:31,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-25 08:53:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-11-25 08:53:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-25 08:53:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-11-25 08:53:31,922 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-11-25 08:53:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:31,923 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-11-25 08:53:31,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-11-25 08:53:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:53:31,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:31,925 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] [2019-11-25 08:53:31,925 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2019-11-25 08:53:31,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:31,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036675956] [2019-11-25 08:53:31,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:31,963 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036675956] [2019-11-25 08:53:31,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:31,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:31,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960450810] [2019-11-25 08:53:31,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:31,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:31,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:31,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:31,965 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-11-25 08:53:31,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:31,994 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-11-25 08:53:31,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:31,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-25 08:53:31,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:31,996 INFO L225 Difference]: With dead ends: 327 [2019-11-25 08:53:31,996 INFO L226 Difference]: Without dead ends: 192 [2019-11-25 08:53:31,997 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 [2019-11-25 08:53:31,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-25 08:53:32,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-25 08:53:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-25 08:53:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-11-25 08:53:32,014 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-11-25 08:53:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:32,015 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-11-25 08:53:32,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-11-25 08:53:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:53:32,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:32,017 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:32,018 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:32,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:32,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2019-11-25 08:53:32,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:32,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653385472] [2019-11-25 08:53:32,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:32,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653385472] [2019-11-25 08:53:32,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:32,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:53:32,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031968723] [2019-11-25 08:53:32,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:32,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:32,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:32,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:53:32,075 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-11-25 08:53:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:32,116 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-11-25 08:53:32,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:32,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-25 08:53:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:32,119 INFO L225 Difference]: With dead ends: 295 [2019-11-25 08:53:32,119 INFO L226 Difference]: Without dead ends: 293 [2019-11-25 08:53:32,119 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 [2019-11-25 08:53:32,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-11-25 08:53:32,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-11-25 08:53:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-25 08:53:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-11-25 08:53:32,138 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-11-25 08:53:32,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:32,138 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-11-25 08:53:32,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-11-25 08:53:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:53:32,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:32,141 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:32,141 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:32,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:32,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2019-11-25 08:53:32,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:32,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099155775] [2019-11-25 08:53:32,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:32,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099155775] [2019-11-25 08:53:32,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734184641] [2019-11-25 08:53:32,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/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 [2019-11-25 08:53:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:32,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:53:32,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:32,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:53:32,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-25 08:53:32,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225359613] [2019-11-25 08:53:32,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:53:32,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:32,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:53:32,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:32,399 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-11-25 08:53:32,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:32,466 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-11-25 08:53:32,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:53:32,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-25 08:53:32,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:32,469 INFO L225 Difference]: With dead ends: 374 [2019-11-25 08:53:32,469 INFO L226 Difference]: Without dead ends: 197 [2019-11-25 08:53:32,469 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:32,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-25 08:53:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-25 08:53:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-25 08:53:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-11-25 08:53:32,493 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-11-25 08:53:32,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:32,495 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-11-25 08:53:32,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:53:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-11-25 08:53:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:53:32,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:32,496 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, 1, 1, 1, 1, 1] [2019-11-25 08:53:32,701 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:32,704 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:32,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2019-11-25 08:53:32,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:32,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835543921] [2019-11-25 08:53:32,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:53:32,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835543921] [2019-11-25 08:53:32,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728430758] [2019-11-25 08:53:32,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:32,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:53:32,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:53:32,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:53:32,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-25 08:53:32,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779339193] [2019-11-25 08:53:32,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:32,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:32,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:32,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:53:32,945 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-11-25 08:53:33,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:33,009 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-11-25 08:53:33,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:53:33,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-25 08:53:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:33,013 INFO L225 Difference]: With dead ends: 494 [2019-11-25 08:53:33,014 INFO L226 Difference]: Without dead ends: 354 [2019-11-25 08:53:33,014 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:53:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-25 08:53:33,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-11-25 08:53:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-25 08:53:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-11-25 08:53:33,031 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-11-25 08:53:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:33,031 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-11-25 08:53:33,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-11-25 08:53:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:53:33,032 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:33,032 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, 1, 1, 1, 1, 1] [2019-11-25 08:53:33,236 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:33,236 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:33,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:33,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2019-11-25 08:53:33,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:33,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534898242] [2019-11-25 08:53:33,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:33,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534898242] [2019-11-25 08:53:33,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:33,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:53:33,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424875086] [2019-11-25 08:53:33,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:53:33,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:33,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:53:33,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:33,325 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-11-25 08:53:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:33,482 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-11-25 08:53:33,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:53:33,483 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-25 08:53:33,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:33,483 INFO L225 Difference]: With dead ends: 585 [2019-11-25 08:53:33,483 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:53:33,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-25 08:53:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:53:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:53:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:53:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:53:33,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-25 08:53:33,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:33,485 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:33,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:53:33,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:53:33,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:53:33,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:53:33,651 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2019-11-25 08:53:33,872 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2019-11-25 08:53:34,087 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2019-11-25 08:53:34,331 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2019-11-25 08:53:34,434 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2019-11-25 08:53:34,688 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-11-25 08:53:34,949 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-11-25 08:53:35,239 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2019-11-25 08:53:35,464 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2019-11-25 08:53:35,754 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-11-25 08:53:35,890 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-11-25 08:53:36,027 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2019-11-25 08:53:36,239 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-11-25 08:53:36,441 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2019-11-25 08:53:36,448 INFO L444 ceAbstractionStarter]: For program point L530-17(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,448 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-11-25 08:53:36,448 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2019-11-25 08:53:36,448 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 432 440) no Hoare annotation was computed. [2019-11-25 08:53:36,448 INFO L444 ceAbstractionStarter]: For program point L432-2(lines 432 440) no Hoare annotation was computed. [2019-11-25 08:53:36,448 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-11-25 08:53:36,449 INFO L444 ceAbstractionStarter]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2019-11-25 08:53:36,449 INFO L444 ceAbstractionStarter]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2019-11-25 08:53:36,449 INFO L444 ceAbstractionStarter]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2019-11-25 08:53:36,449 INFO L440 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:53:36,449 INFO L444 ceAbstractionStarter]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L930-2(line 930) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L402-1(lines 402 419) no Hoare annotation was computed. [2019-11-25 08:53:36,450 INFO L444 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-11-25 08:53:36,451 INFO L444 ceAbstractionStarter]: For program point L402-2(lines 402 419) no Hoare annotation was computed. [2019-11-25 08:53:36,451 INFO L444 ceAbstractionStarter]: For program point L402-3(lines 402 419) no Hoare annotation was computed. [2019-11-25 08:53:36,451 INFO L444 ceAbstractionStarter]: For program point L402-4(lines 402 419) no Hoare annotation was computed. [2019-11-25 08:53:36,451 INFO L444 ceAbstractionStarter]: For program point L402-5(lines 402 419) no Hoare annotation was computed. [2019-11-25 08:53:36,451 INFO L440 ceAbstractionStarter]: At program point L370(lines 369 388) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) .cse2))) [2019-11-25 08:53:36,451 INFO L444 ceAbstractionStarter]: For program point L370-1(lines 370 376) no Hoare annotation was computed. [2019-11-25 08:53:36,451 INFO L440 ceAbstractionStarter]: At program point L370-2(lines 369 388) the Hoare annotation is: false [2019-11-25 08:53:36,451 INFO L440 ceAbstractionStarter]: At program point L370-3(lines 369 388) the Hoare annotation is: false [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L965(lines 960 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L536(lines 521 539) the Hoare annotation is: false [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L536-1(lines 521 539) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L536-3(lines 521 539) the Hoare annotation is: false [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L536-4(lines 521 539) the Hoare annotation is: false [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L536-5(lines 521 539) the Hoare annotation is: false [2019-11-25 08:53:36,452 INFO L440 ceAbstractionStarter]: At program point L240(lines 231 244) the Hoare annotation is: false [2019-11-25 08:53:36,453 INFO L440 ceAbstractionStarter]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-25 08:53:36,453 INFO L440 ceAbstractionStarter]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2019-11-25 08:53:36,453 INFO L440 ceAbstractionStarter]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2019-11-25 08:53:36,453 INFO L447 ceAbstractionStarter]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-11-25 08:53:36,453 INFO L440 ceAbstractionStarter]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2019-11-25 08:53:36,453 INFO L440 ceAbstractionStarter]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2019-11-25 08:53:36,453 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-11-25 08:53:36,453 INFO L444 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2019-11-25 08:53:36,453 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 406 414) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L406-2(lines 406 414) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L406-3(lines 406 414) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L406-4(lines 406 414) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L440 ceAbstractionStarter]: At program point L274-1(lines 1 968) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L406-5(lines 406 414) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L274-2(lines 274 291) no Hoare annotation was computed. [2019-11-25 08:53:36,454 INFO L440 ceAbstractionStarter]: At program point L274-3(lines 1 968) the Hoare annotation is: false [2019-11-25 08:53:36,454 INFO L444 ceAbstractionStarter]: For program point L274-4(lines 274 291) no Hoare annotation was computed. [2019-11-25 08:53:36,455 INFO L440 ceAbstractionStarter]: At program point L274-5(lines 1 968) the Hoare annotation is: false [2019-11-25 08:53:36,455 INFO L444 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-25 08:53:36,455 INFO L444 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2019-11-25 08:53:36,455 INFO L444 ceAbstractionStarter]: For program point L342-2(lines 370 376) no Hoare annotation was computed. [2019-11-25 08:53:36,455 INFO L440 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3))) [2019-11-25 08:53:36,455 INFO L440 ceAbstractionStarter]: At program point L377-1(lines 377 383) the Hoare annotation is: false [2019-11-25 08:53:36,455 INFO L440 ceAbstractionStarter]: At program point L377-2(lines 377 383) the Hoare annotation is: false [2019-11-25 08:53:36,455 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2019-11-25 08:53:36,455 INFO L444 ceAbstractionStarter]: For program point L278-2(lines 278 288) no Hoare annotation was computed. [2019-11-25 08:53:36,456 INFO L444 ceAbstractionStarter]: For program point L278-4(lines 278 288) no Hoare annotation was computed. [2019-11-25 08:53:36,456 INFO L444 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-25 08:53:36,456 INFO L444 ceAbstractionStarter]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-11-25 08:53:36,456 INFO L444 ceAbstractionStarter]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-11-25 08:53:36,456 INFO L444 ceAbstractionStarter]: For program point L182(lines 182 186) no Hoare annotation was computed. [2019-11-25 08:53:36,456 INFO L440 ceAbstractionStarter]: At program point L481(lines 476 484) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-25 08:53:36,456 INFO L440 ceAbstractionStarter]: At program point L481-1(lines 476 484) the Hoare annotation is: false [2019-11-25 08:53:36,456 INFO L440 ceAbstractionStarter]: At program point L481-2(lines 476 484) the Hoare annotation is: false [2019-11-25 08:53:36,456 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-11-25 08:53:36,457 INFO L440 ceAbstractionStarter]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-25 08:53:36,457 INFO L440 ceAbstractionStarter]: At program point L250(lines 245 253) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:53:36,457 INFO L440 ceAbstractionStarter]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2019-11-25 08:53:36,457 INFO L440 ceAbstractionStarter]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2019-11-25 08:53:36,457 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-25 08:53:36,457 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:53:36,457 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-25 08:53:36,457 INFO L444 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2019-11-25 08:53:36,457 INFO L444 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2019-11-25 08:53:36,457 INFO L444 ceAbstractionStarter]: For program point L549-3(lines 549 553) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L549-5(lines 549 553) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L549-6(lines 549 553) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L549-8(lines 549 553) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L440 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: false [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 370 376) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L158(lines 158 162) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-11-25 08:53:36,458 INFO L444 ceAbstractionStarter]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2019-11-25 08:53:36,459 INFO L440 ceAbstractionStarter]: At program point L555(lines 540 558) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-25 08:53:36,459 INFO L440 ceAbstractionStarter]: At program point L555-1(lines 540 558) the Hoare annotation is: false [2019-11-25 08:53:36,459 INFO L440 ceAbstractionStarter]: At program point L555-2(lines 540 558) the Hoare annotation is: false [2019-11-25 08:53:36,459 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:53:36,459 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-11-25 08:53:36,459 INFO L440 ceAbstractionStarter]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-25 08:53:36,459 INFO L440 ceAbstractionStarter]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-25 08:53:36,459 INFO L440 ceAbstractionStarter]: At program point L195-1(lines 190 198) the Hoare annotation is: false [2019-11-25 08:53:36,460 INFO L440 ceAbstractionStarter]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-11-25 08:53:36,460 INFO L444 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2019-11-25 08:53:36,460 INFO L444 ceAbstractionStarter]: For program point L428-1(lines 428 445) no Hoare annotation was computed. [2019-11-25 08:53:36,460 INFO L444 ceAbstractionStarter]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2019-11-25 08:53:36,460 INFO L440 ceAbstractionStarter]: At program point L263(lines 258 265) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:53:36,460 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:53:36,460 INFO L440 ceAbstractionStarter]: At program point L957(lines 1 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:53:36,460 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-11-25 08:53:36,460 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L447 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-9(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-11(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,461 INFO L444 ceAbstractionStarter]: For program point L530-12(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,464 INFO L444 ceAbstractionStarter]: For program point L530-14(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,464 INFO L444 ceAbstractionStarter]: For program point L530-15(lines 530 534) no Hoare annotation was computed. [2019-11-25 08:53:36,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:53:36 BoogieIcfgContainer [2019-11-25 08:53:36,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:53:36,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:36,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:36,486 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:36,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:30" (3/4) ... [2019-11-25 08:53:36,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:53:36,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:53:36,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:53:36,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:53:36,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:53:36,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:53:36,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:53:36,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:53:36,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-11-25 08:53:36,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-11-25 08:53:36,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-25 08:53:36,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-25 08:53:36,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 1 <= tmp___0) && 1 <= \result) && 0 == tmp) && 0 == splverifierCounter [2019-11-25 08:53:36,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-25 08:53:36,606 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f5aa4e50-09f1-4031-8a9e-dc2ce735a46d/bin/uautomizer/witness.graphml [2019-11-25 08:53:36,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:36,607 INFO L168 Benchmark]: Toolchain (without parser) took 7858.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.5 MB). Free memory was 944.7 MB in the beginning and 961.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:36,607 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:36,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:36,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.79 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. [2019-11-25 08:53:36,608 INFO L168 Benchmark]: Boogie Preprocessor took 44.99 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:36,609 INFO L168 Benchmark]: RCFGBuilder took 910.19 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:36,609 INFO L168 Benchmark]: TraceAbstraction took 6145.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 976.0 MB in the end (delta: 70.5 MB). Peak memory consumption was 235.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:36,610 INFO L168 Benchmark]: Witness Printer took 120.58 ms. Allocated memory is still 1.2 GB. Free memory was 976.0 MB in the beginning and 961.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:36,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.79 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 44.99 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 910.19 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6145.01 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 976.0 MB in the end (delta: 70.5 MB). Peak memory consumption was 235.6 MB. Max. memory is 11.5 GB. * Witness Printer took 120.58 ms. Allocated memory is still 1.2 GB. Free memory was 976.0 MB in the beginning and 961.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 1 <= tmp___0) && 1 <= \result) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && !(0 == waterLevel)) && 0 == splverifierCounter) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 6.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1243 SDtfs, 1416 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 190 NumberOfFragments, 476 HoareAnnotationTreeSize, 43 FomulaSimplifications, 358829 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 43 FomulaSimplificationsInter, 13079 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 46123 SizeOfPredicates, 5 NumberOfNonLiveVariables, 842 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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...