./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/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-cad4683 [2019-10-22 08:58:21,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:21,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:21,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:21,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:21,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:21,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:21,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:21,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:21,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:21,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:21,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:21,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:21,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:21,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:21,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:21,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:21,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:21,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:21,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:21,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:21,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:21,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:21,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:21,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:21,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:21,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:21,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:21,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:21,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:21,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:21,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:21,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:21,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:21,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:21,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:21,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:21,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:21,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:21,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:21,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:21,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:21,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:21,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:21,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:21,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:21,843 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:21,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:21,843 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:21,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:21,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:21,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:21,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:21,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:21,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:21,845 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:21,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:21,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:21,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:21,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:21,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:21,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:21,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:21,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:21,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:21,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:21,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:21,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:21,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:21,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:21,849 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/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/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 [2019-10-22 08:58:21,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:21,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:21,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:21,903 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:21,904 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:21,904 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-10-22 08:58:21,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/data/b4370dade/04f2586cba8149d3b5257e3852027e95/FLAGb55239e0a [2019-10-22 08:58:22,428 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:22,428 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-10-22 08:58:22,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/data/b4370dade/04f2586cba8149d3b5257e3852027e95/FLAGb55239e0a [2019-10-22 08:58:22,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/data/b4370dade/04f2586cba8149d3b5257e3852027e95 [2019-10-22 08:58:22,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:22,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:22,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:22,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:22,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:22,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:22" (1/1) ... [2019-10-22 08:58:22,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f19c8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:22, skipping insertion in model container [2019-10-22 08:58:22,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:22" (1/1) ... [2019-10-22 08:58:22,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:23,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:23,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:23,392 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:23,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:23,585 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:23,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23 WrapperNode [2019-10-22 08:58:23,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:23,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:23,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:23,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:23,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:23,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:23,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:23,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:23,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... [2019-10-22 08:58:23,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:23,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:23,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:23,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:23,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/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 [2019-10-22 08:58:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:24,767 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:24,767 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-10-22 08:58:24,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:24 BoogieIcfgContainer [2019-10-22 08:58:24,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:24,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:24,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:24,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:24,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:22" (1/3) ... [2019-10-22 08:58:24,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8f9711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:24, skipping insertion in model container [2019-10-22 08:58:24,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:23" (2/3) ... [2019-10-22 08:58:24,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8f9711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:24, skipping insertion in model container [2019-10-22 08:58:24,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:24" (3/3) ... [2019-10-22 08:58:24,781 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2019-10-22 08:58:24,792 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:24,807 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:24,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:24,862 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:24,862 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:24,863 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:24,863 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:24,863 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:24,863 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:24,863 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:24,863 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-22 08:58:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:58:24,895 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:24,895 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:24,898 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:24,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:24,904 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2019-10-22 08:58:24,914 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:24,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327876637] [2019-10-22 08:58:24,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:24,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:24,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:25,167 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327876637] [2019-10-22 08:58:25,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:25,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:25,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761957380] [2019-10-22 08:58:25,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:25,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:25,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:25,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:25,194 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-22 08:58:25,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:25,240 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-10-22 08:58:25,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:25,242 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:58:25,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:25,258 INFO L225 Difference]: With dead ends: 235 [2019-10-22 08:58:25,259 INFO L226 Difference]: Without dead ends: 117 [2019-10-22 08:58:25,263 INFO L600 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 [2019-10-22 08:58:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-22 08:58:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-22 08:58:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 08:58:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-10-22 08:58:25,325 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-10-22 08:58:25,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:25,325 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-10-22 08:58:25,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-10-22 08:58:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:58:25,326 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:25,326 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:25,329 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:25,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:25,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2019-10-22 08:58:25,330 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:25,330 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147213211] [2019-10-22 08:58:25,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,331 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:25,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147213211] [2019-10-22 08:58:25,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:25,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:25,503 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681702279] [2019-10-22 08:58:25,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:25,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:25,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:25,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:25,506 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-10-22 08:58:25,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:25,532 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-10-22 08:58:25,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:25,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:58:25,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:25,534 INFO L225 Difference]: With dead ends: 117 [2019-10-22 08:58:25,534 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 08:58:25,535 INFO L600 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 [2019-10-22 08:58:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 08:58:25,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 08:58:25,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 08:58:25,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-10-22 08:58:25,543 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-10-22 08:58:25,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:25,543 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-10-22 08:58:25,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-10-22 08:58:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:58:25,544 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:25,544 INFO L380 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] [2019-10-22 08:58:25,544 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:25,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:25,545 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2019-10-22 08:58:25,545 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:25,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298864690] [2019-10-22 08:58:25,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:25,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298864690] [2019-10-22 08:58:25,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:25,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:25,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935455014] [2019-10-22 08:58:25,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:25,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:25,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:25,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:25,642 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-10-22 08:58:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:25,656 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-10-22 08:58:25,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:25,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:58:25,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:25,664 INFO L225 Difference]: With dead ends: 91 [2019-10-22 08:58:25,664 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 08:58:25,665 INFO L600 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 [2019-10-22 08:58:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 08:58:25,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 08:58:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 08:58:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-10-22 08:58:25,674 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-10-22 08:58:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:25,674 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-10-22 08:58:25,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-10-22 08:58:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:58:25,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:25,682 INFO L380 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] [2019-10-22 08:58:25,682 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:25,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:25,682 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2019-10-22 08:58:25,683 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:25,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290793386] [2019-10-22 08:58:25,683 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,683 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:25,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290793386] [2019-10-22 08:58:25,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:25,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:25,750 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168248288] [2019-10-22 08:58:25,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:25,750 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:25,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:25,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:25,753 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-10-22 08:58:25,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:25,822 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-10-22 08:58:25,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:25,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 08:58:25,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:25,825 INFO L225 Difference]: With dead ends: 113 [2019-10-22 08:58:25,825 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 08:58:25,825 INFO L600 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 [2019-10-22 08:58:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 08:58:25,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-10-22 08:58:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-10-22 08:58:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-10-22 08:58:25,843 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-10-22 08:58:25,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:25,843 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-10-22 08:58:25,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-10-22 08:58:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:58:25,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:25,844 INFO L380 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] [2019-10-22 08:58:25,845 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:25,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:25,845 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2019-10-22 08:58:25,845 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:25,845 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527668160] [2019-10-22 08:58:25,845 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,846 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:25,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:25,907 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527668160] [2019-10-22 08:58:25,907 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:25,907 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:25,908 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588114052] [2019-10-22 08:58:25,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:25,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:25,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:25,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:25,909 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-10-22 08:58:26,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:26,030 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-10-22 08:58:26,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:26,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:58:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:26,032 INFO L225 Difference]: With dead ends: 182 [2019-10-22 08:58:26,032 INFO L226 Difference]: Without dead ends: 120 [2019-10-22 08:58:26,033 INFO L600 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 [2019-10-22 08:58:26,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-22 08:58:26,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-10-22 08:58:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 08:58:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-10-22 08:58:26,049 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-10-22 08:58:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:26,049 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-10-22 08:58:26,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-10-22 08:58:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:58:26,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:26,051 INFO L380 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] [2019-10-22 08:58:26,051 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,051 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2019-10-22 08:58:26,052 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801892891] [2019-10-22 08:58:26,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:26,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801892891] [2019-10-22 08:58:26,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:26,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:26,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147056014] [2019-10-22 08:58:26,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:26,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:26,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:26,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:26,137 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-10-22 08:58:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:26,243 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-10-22 08:58:26,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:26,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:58:26,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:26,247 INFO L225 Difference]: With dead ends: 387 [2019-10-22 08:58:26,249 INFO L226 Difference]: Without dead ends: 319 [2019-10-22 08:58:26,250 INFO L600 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 [2019-10-22 08:58:26,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-10-22 08:58:26,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-10-22 08:58:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 08:58:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-10-22 08:58:26,287 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-10-22 08:58:26,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:26,289 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-10-22 08:58:26,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-10-22 08:58:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:58:26,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:26,291 INFO L380 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] [2019-10-22 08:58:26,291 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:26,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,291 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2019-10-22 08:58:26,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894903786] [2019-10-22 08:58:26,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:26,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894903786] [2019-10-22 08:58:26,380 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:26,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:26,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475965027] [2019-10-22 08:58:26,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:26,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:26,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:26,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:26,382 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-10-22 08:58:26,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:26,679 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-10-22 08:58:26,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:58:26,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 08:58:26,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:26,683 INFO L225 Difference]: With dead ends: 506 [2019-10-22 08:58:26,683 INFO L226 Difference]: Without dead ends: 378 [2019-10-22 08:58:26,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-10-22 08:58:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-10-22 08:58:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 08:58:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-10-22 08:58:26,717 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-10-22 08:58:26,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:26,718 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-10-22 08:58:26,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-10-22 08:58:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:58:26,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:26,722 INFO L380 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] [2019-10-22 08:58:26,722 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:26,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,722 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2019-10-22 08:58:26,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819251423] [2019-10-22 08:58:26,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:26,801 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819251423] [2019-10-22 08:58:26,802 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:26,802 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:26,802 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466229026] [2019-10-22 08:58:26,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:26,804 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:26,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:26,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:26,805 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-10-22 08:58:26,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:26,901 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-10-22 08:58:26,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:26,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 08:58:26,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:26,903 INFO L225 Difference]: With dead ends: 357 [2019-10-22 08:58:26,903 INFO L226 Difference]: Without dead ends: 230 [2019-10-22 08:58:26,904 INFO L600 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 [2019-10-22 08:58:26,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-22 08:58:26,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-10-22 08:58:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-22 08:58:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-10-22 08:58:26,961 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-10-22 08:58:26,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:26,961 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-10-22 08:58:26,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-10-22 08:58:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:58:26,962 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:26,962 INFO L380 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] [2019-10-22 08:58:26,962 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:26,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,970 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2019-10-22 08:58:26,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825573154] [2019-10-22 08:58:26,970 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825573154] [2019-10-22 08:58:27,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:27,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:27,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433669530] [2019-10-22 08:58:27,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:27,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:27,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:27,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:27,020 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-10-22 08:58:27,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:27,054 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-10-22 08:58:27,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:27,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 08:58:27,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:27,056 INFO L225 Difference]: With dead ends: 327 [2019-10-22 08:58:27,056 INFO L226 Difference]: Without dead ends: 192 [2019-10-22 08:58:27,057 INFO L600 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 [2019-10-22 08:58:27,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-22 08:58:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-10-22 08:58:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 08:58:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-10-22 08:58:27,079 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-10-22 08:58:27,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:27,079 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-10-22 08:58:27,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-10-22 08:58:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:58:27,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:27,086 INFO L380 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] [2019-10-22 08:58:27,087 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:27,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:27,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2019-10-22 08:58:27,087 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:27,087 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70322566] [2019-10-22 08:58:27,088 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,088 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70322566] [2019-10-22 08:58:27,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:27,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:27,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583175980] [2019-10-22 08:58:27,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:27,135 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:27,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:27,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:27,136 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-10-22 08:58:27,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:27,177 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-10-22 08:58:27,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:27,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 08:58:27,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:27,179 INFO L225 Difference]: With dead ends: 295 [2019-10-22 08:58:27,179 INFO L226 Difference]: Without dead ends: 293 [2019-10-22 08:58:27,180 INFO L600 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 [2019-10-22 08:58:27,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-10-22 08:58:27,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-10-22 08:58:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-10-22 08:58:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-10-22 08:58:27,199 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-10-22 08:58:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:27,200 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-10-22 08:58:27,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-10-22 08:58:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 08:58:27,201 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:27,201 INFO L380 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] [2019-10-22 08:58:27,201 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:27,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:27,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2019-10-22 08:58:27,202 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:27,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922601089] [2019-10-22 08:58:27,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,202 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,252 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922601089] [2019-10-22 08:58:27,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704130918] [2019-10-22 08:58:27,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/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 [2019-10-22 08:58:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:27,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:27,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-22 08:58:27,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929033412] [2019-10-22 08:58:27,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:27,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:27,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:27,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:27,439 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-10-22 08:58:27,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:27,511 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-10-22 08:58:27,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:27,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-22 08:58:27,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:27,513 INFO L225 Difference]: With dead ends: 374 [2019-10-22 08:58:27,513 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 08:58:27,514 INFO L600 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 [2019-10-22 08:58:27,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 08:58:27,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-10-22 08:58:27,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-10-22 08:58:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-10-22 08:58:27,535 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-10-22 08:58:27,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:27,536 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-10-22 08:58:27,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-10-22 08:58:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 08:58:27,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:27,538 INFO L380 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] [2019-10-22 08:58:27,739 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:27,739 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2019-10-22 08:58:27,740 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:27,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637824871] [2019-10-22 08:58:27,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,740 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:27,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 08:58:27,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637824871] [2019-10-22 08:58:27,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321363141] [2019-10-22 08:58:27,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/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 [2019-10-22 08:58:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:58:27,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 08:58:27,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:27,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-10-22 08:58:27,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094829996] [2019-10-22 08:58:27,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:27,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:27,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:27,981 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-10-22 08:58:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:28,055 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-10-22 08:58:28,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:28,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 08:58:28,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:28,057 INFO L225 Difference]: With dead ends: 494 [2019-10-22 08:58:28,058 INFO L226 Difference]: Without dead ends: 354 [2019-10-22 08:58:28,058 INFO L600 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 [2019-10-22 08:58:28,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-22 08:58:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-10-22 08:58:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-22 08:58:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-10-22 08:58:28,077 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-10-22 08:58:28,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:28,077 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-10-22 08:58:28,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-10-22 08:58:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 08:58:28,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:28,079 INFO L380 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] [2019-10-22 08:58:28,283 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:28,284 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:28,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:28,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2019-10-22 08:58:28,285 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:28,285 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902736176] [2019-10-22 08:58:28,285 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:28,285 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:28,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:28,394 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902736176] [2019-10-22 08:58:28,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:28,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:28,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929818577] [2019-10-22 08:58:28,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:28,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:28,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:28,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:28,396 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-10-22 08:58:28,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:28,574 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-10-22 08:58:28,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:28,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-22 08:58:28,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:28,575 INFO L225 Difference]: With dead ends: 585 [2019-10-22 08:58:28,576 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:28,576 INFO L600 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 [2019-10-22 08:58:28,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:28,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:28,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:28,577 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-22 08:58:28,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:28,577 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:28,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:28,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:28,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:28,724 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2019-10-22 08:58:28,873 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2019-10-22 08:58:29,138 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2019-10-22 08:58:29,373 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2019-10-22 08:58:29,669 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-10-22 08:58:29,928 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-10-22 08:58:30,196 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2019-10-22 08:58:30,411 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2019-10-22 08:58:30,632 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-10-22 08:58:30,768 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-10-22 08:58:30,902 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2019-10-22 08:58:31,138 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-10-22 08:58:31,363 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2019-10-22 08:58:31,365 INFO L443 ceAbstractionStarter]: For program point L530-17(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 432 440) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L432-2(lines 432 440) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L439 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)) [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2019-10-22 08:58:31,366 INFO L443 ceAbstractionStarter]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L930-2(line 930) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L402-1(lines 402 419) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L402-2(lines 402 419) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L402-3(lines 402 419) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L402-4(lines 402 419) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L443 ceAbstractionStarter]: For program point L402-5(lines 402 419) no Hoare annotation was computed. [2019-10-22 08:58:31,367 INFO L439 ceAbstractionStarter]: At program point L370(lines 369 388) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) (and .cse0 .cse2)) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 08:58:31,368 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 370 376) no Hoare annotation was computed. [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L370-2(lines 369 388) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L370-3(lines 369 388) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 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)) [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L536(lines 521 539) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L536-1(lines 521 539) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse1 (and .cse0 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3)) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3))) [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L536-3(lines 521 539) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L536-4(lines 521 539) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L536-5(lines 521 539) the Hoare annotation is: false [2019-10-22 08:58:31,368 INFO L439 ceAbstractionStarter]: At program point L240(lines 231 244) the Hoare annotation is: false [2019-10-22 08:58:31,369 INFO L439 ceAbstractionStarter]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~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 .cse1 (and .cse0 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3)))) [2019-10-22 08:58:31,369 INFO L439 ceAbstractionStarter]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2019-10-22 08:58:31,369 INFO L439 ceAbstractionStarter]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2019-10-22 08:58:31,369 INFO L446 ceAbstractionStarter]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-10-22 08:58:31,369 INFO L439 ceAbstractionStarter]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2019-10-22 08:58:31,369 INFO L439 ceAbstractionStarter]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2019-10-22 08:58:31,369 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2019-10-22 08:58:31,369 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 406 414) no Hoare annotation was computed. [2019-10-22 08:58:31,369 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 414) no Hoare annotation was computed. [2019-10-22 08:58:31,369 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2019-10-22 08:58:31,369 INFO L443 ceAbstractionStarter]: For program point L406-3(lines 406 414) no Hoare annotation was computed. [2019-10-22 08:58:31,369 INFO L443 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L406-4(lines 406 414) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L439 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 (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L406-5(lines 406 414) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L274-2(lines 274 291) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L439 ceAbstractionStarter]: At program point L274-3(lines 1 968) the Hoare annotation is: false [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L274-4(lines 274 291) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L439 ceAbstractionStarter]: At program point L274-5(lines 1 968) the Hoare annotation is: false [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L443 ceAbstractionStarter]: For program point L342-2(lines 370 376) no Hoare annotation was computed. [2019-10-22 08:58:31,370 INFO L439 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2)) .cse3) (and .cse1 .cse0 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse1 (= ~pumpRunning~0 0) .cse2))) [2019-10-22 08:58:31,370 INFO L439 ceAbstractionStarter]: At program point L377-1(lines 377 383) the Hoare annotation is: false [2019-10-22 08:58:31,371 INFO L439 ceAbstractionStarter]: At program point L377-2(lines 377 383) the Hoare annotation is: false [2019-10-22 08:58:31,371 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2019-10-22 08:58:31,371 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 288) no Hoare annotation was computed. [2019-10-22 08:58:31,371 INFO L443 ceAbstractionStarter]: For program point L278-4(lines 278 288) no Hoare annotation was computed. [2019-10-22 08:58:31,374 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-10-22 08:58:31,374 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-10-22 08:58:31,374 INFO L443 ceAbstractionStarter]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-10-22 08:58:31,374 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 186) no Hoare annotation was computed. [2019-10-22 08:58:31,374 INFO L439 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)))) [2019-10-22 08:58:31,374 INFO L439 ceAbstractionStarter]: At program point L481-1(lines 476 484) the Hoare annotation is: false [2019-10-22 08:58:31,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-10-22 08:58:31,375 INFO L439 ceAbstractionStarter]: At program point L481-2(lines 476 484) the Hoare annotation is: false [2019-10-22 08:58:31,375 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-10-22 08:58:31,375 INFO L439 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 (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-10-22 08:58:31,375 INFO L439 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)) [2019-10-22 08:58:31,375 INFO L439 ceAbstractionStarter]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2019-10-22 08:58:31,375 INFO L439 ceAbstractionStarter]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2019-10-22 08:58:31,375 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 08:58:31,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:31,375 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 08:58:31,375 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L549-3(lines 549 553) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L549-5(lines 549 553) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L549-6(lines 549 553) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L549-8(lines 549 553) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L439 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: false [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 370 376) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:31,376 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 162) no Hoare annotation was computed. [2019-10-22 08:58:31,377 INFO L443 ceAbstractionStarter]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-10-22 08:58:31,377 INFO L443 ceAbstractionStarter]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2019-10-22 08:58:31,377 INFO L439 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)) [2019-10-22 08:58:31,377 INFO L439 ceAbstractionStarter]: At program point L555-1(lines 540 558) the Hoare annotation is: false [2019-10-22 08:58:31,377 INFO L439 ceAbstractionStarter]: At program point L555-2(lines 540 558) the Hoare annotation is: false [2019-10-22 08:58:31,377 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:31,377 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-10-22 08:58:31,377 INFO L439 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 (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-10-22 08:58:31,378 INFO L439 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))) [2019-10-22 08:58:31,378 INFO L439 ceAbstractionStarter]: At program point L195-1(lines 190 198) the Hoare annotation is: false [2019-10-22 08:58:31,378 INFO L439 ceAbstractionStarter]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-10-22 08:58:31,378 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2019-10-22 08:58:31,378 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 428 445) no Hoare annotation was computed. [2019-10-22 08:58:31,378 INFO L443 ceAbstractionStarter]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2019-10-22 08:58:31,378 INFO L439 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)) [2019-10-22 08:58:31,378 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:31,379 INFO L439 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)) [2019-10-22 08:58:31,379 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-22 08:58:31,383 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-10-22 08:58:31,383 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-10-22 08:58:31,383 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,383 INFO L443 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,383 INFO L443 ceAbstractionStarter]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-9(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-11(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-12(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-14(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,384 INFO L443 ceAbstractionStarter]: For program point L530-15(lines 530 534) no Hoare annotation was computed. [2019-10-22 08:58:31,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:31 BoogieIcfgContainer [2019-10-22 08:58:31,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:31,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:31,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:31,408 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:31,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:24" (3/4) ... [2019-10-22 08:58:31,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:31,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:58:31,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:58:31,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:58:31,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:31,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:31,435 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:58:31,470 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) [2019-10-22 08:58:31,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-10-22 08:58:31,471 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)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-10-22 08:58:31,471 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) [2019-10-22 08:58:31,471 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 [2019-10-22 08:58:31,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:58:31,560 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ad3839f6-3cdf-4d27-bc6a-1c34655b7e24/bin/uautomizer/witness.graphml [2019-10-22 08:58:31,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:31,561 INFO L168 Benchmark]: Toolchain (without parser) took 8623.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 943.1 MB in the beginning and 999.8 MB in the end (delta: -56.7 MB). Peak memory consumption was 142.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,561 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:31,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.78 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,562 INFO L168 Benchmark]: Boogie Preprocessor took 50.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,562 INFO L168 Benchmark]: RCFGBuilder took 1000.52 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,563 INFO L168 Benchmark]: TraceAbstraction took 6634.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.9 MB). Peak memory consumption was 247.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,563 INFO L168 Benchmark]: Witness Printer took 152.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.8 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:31,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 647.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.78 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1000.52 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: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6634.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.9 MB). Peak memory consumption was 247.8 MB. Max. memory is 11.5 GB. * Witness Printer took 152.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.8 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel) || ((((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) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 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 <= pumpRunning && !(0 == waterLevel)) && 1 == systemActive && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - 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 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 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: 6.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1243 SDtfs, 1416 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 190 NumberOfFragments, 487 HoareAnnotationTreeSize, 43 FomulaSimplifications, 355241 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 43 FomulaSimplificationsInter, 13068 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 46123 SizeOfPredicates, 5 NumberOfNonLiveVariables, 840 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...