./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/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 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:38,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:38,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:38,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:38,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:38,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:38,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:38,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:38,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:38,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:38,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:38,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:38,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:38,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:38,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:38,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:38,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:38,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:38,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:38,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:38,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:38,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:38,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:38,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:38,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:38,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:38,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:38,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:38,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:38,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:38,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:38,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:38,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:38,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:38,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:38,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:38,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:38,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:38,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:38,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:38,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:38,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:38,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:38,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:38,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:38,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:38,901 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:38,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:38,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:38,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:38,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:38,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:38,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:38,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:38,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:38,912 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:38,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:38,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:38,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:38,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:38,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:38,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:38,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:38,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:38,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:38,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:38,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:38,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:38,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:38,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:38,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/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 -> 9f9d802e48c20b812c0aeb303e5b9a04b1c7ed3d [2019-11-25 08:54:39,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:39,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:39,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:39,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:39,105 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:39,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-11-25 08:54:39,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/data/03ee846a8/7c230701ddb34b4cb5d19bfe29a90117/FLAG9a9632396 [2019-11-25 08:54:39,657 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:39,657 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2019-11-25 08:54:39,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/data/03ee846a8/7c230701ddb34b4cb5d19bfe29a90117/FLAG9a9632396 [2019-11-25 08:54:40,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/data/03ee846a8/7c230701ddb34b4cb5d19bfe29a90117 [2019-11-25 08:54:40,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:40,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:40,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:40,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:40,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:40,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eeefb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40, skipping insertion in model container [2019-11-25 08:54:40,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:40,241 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:40,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:40,625 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:40,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:40,768 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:40,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40 WrapperNode [2019-11-25 08:54:40,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:40,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:40,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:40,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:40,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:40,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:40,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:40,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:40,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... [2019-11-25 08:54:40,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:40,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:40,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:40,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:40,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:54:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:41,855 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:41,855 INFO L284 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-25 08:54:41,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:41 BoogieIcfgContainer [2019-11-25 08:54:41,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:41,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:41,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:41,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:41,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:40" (1/3) ... [2019-11-25 08:54:41,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdc790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:41, skipping insertion in model container [2019-11-25 08:54:41,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:40" (2/3) ... [2019-11-25 08:54:41,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdc790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:41, skipping insertion in model container [2019-11-25 08:54:41,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:41" (3/3) ... [2019-11-25 08:54:41,863 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2019-11-25 08:54:41,873 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:41,880 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:54:41,889 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:54:41,909 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:41,909 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:41,909 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:41,909 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:41,910 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:41,910 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:41,910 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:41,910 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-25 08:54:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:54:41,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:41,934 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:41,934 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:41,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:41,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1212648512, now seen corresponding path program 1 times [2019-11-25 08:54:41,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:41,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213622698] [2019-11-25 08:54:41,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:42,142 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213622698] [2019-11-25 08:54:42,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:42,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:42,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613662156] [2019-11-25 08:54:42,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:54:42,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:42,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:54:42,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:54:42,164 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-25 08:54:42,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:42,208 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-11-25 08:54:42,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:54:42,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:54:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:42,220 INFO L225 Difference]: With dead ends: 275 [2019-11-25 08:54:42,220 INFO L226 Difference]: Without dead ends: 137 [2019-11-25 08:54:42,224 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:54:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-25 08:54:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-25 08:54:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-25 08:54:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-11-25 08:54:42,266 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-11-25 08:54:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:42,266 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-11-25 08:54:42,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:54:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-11-25 08:54:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:54:42,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:42,268 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:42,268 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1186120291, now seen corresponding path program 1 times [2019-11-25 08:54:42,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:42,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515201810] [2019-11-25 08:54:42,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:42,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515201810] [2019-11-25 08:54:42,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:42,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:42,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929859606] [2019-11-25 08:54:42,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:42,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:42,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:42,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:42,386 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2019-11-25 08:54:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:42,410 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-11-25 08:54:42,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:42,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:54:42,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:42,412 INFO L225 Difference]: With dead ends: 137 [2019-11-25 08:54:42,412 INFO L226 Difference]: Without dead ends: 57 [2019-11-25 08:54:42,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:42,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-25 08:54:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-25 08:54:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-25 08:54:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-11-25 08:54:42,420 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-11-25 08:54:42,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:42,421 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-11-25 08:54:42,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-11-25 08:54:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:54:42,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:42,423 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:42,423 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:42,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2019-11-25 08:54:42,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:42,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029710113] [2019-11-25 08:54:42,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:42,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029710113] [2019-11-25 08:54:42,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:42,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:42,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525274621] [2019-11-25 08:54:42,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:42,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:42,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:42,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:42,539 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2019-11-25 08:54:42,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:42,604 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2019-11-25 08:54:42,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:42,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-25 08:54:42,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:42,606 INFO L225 Difference]: With dead ends: 157 [2019-11-25 08:54:42,606 INFO L226 Difference]: Without dead ends: 107 [2019-11-25 08:54:42,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-25 08:54:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-11-25 08:54:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-25 08:54:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2019-11-25 08:54:42,632 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2019-11-25 08:54:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:42,632 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2019-11-25 08:54:42,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2019-11-25 08:54:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:54:42,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:42,634 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:42,634 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:42,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:42,634 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2019-11-25 08:54:42,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:42,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302033881] [2019-11-25 08:54:42,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:42,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302033881] [2019-11-25 08:54:42,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:42,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:42,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062388157] [2019-11-25 08:54:42,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:42,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:42,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:42,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:42,748 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2019-11-25 08:54:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:42,793 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2019-11-25 08:54:42,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:42,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:54:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:42,796 INFO L225 Difference]: With dead ends: 242 [2019-11-25 08:54:42,796 INFO L226 Difference]: Without dead ends: 146 [2019-11-25 08:54:42,797 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-25 08:54:42,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2019-11-25 08:54:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-11-25 08:54:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2019-11-25 08:54:42,813 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2019-11-25 08:54:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:42,813 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2019-11-25 08:54:42,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:42,814 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2019-11-25 08:54:42,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 08:54:42,815 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:42,815 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:42,815 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:42,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:42,816 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2019-11-25 08:54:42,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:42,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875843337] [2019-11-25 08:54:42,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:42,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875843337] [2019-11-25 08:54:42,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:42,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:42,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157822847] [2019-11-25 08:54:42,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:42,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:42,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:42,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:42,881 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2019-11-25 08:54:43,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:43,043 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2019-11-25 08:54:43,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:54:43,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-25 08:54:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:43,050 INFO L225 Difference]: With dead ends: 756 [2019-11-25 08:54:43,051 INFO L226 Difference]: Without dead ends: 619 [2019-11-25 08:54:43,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:54:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-11-25 08:54:43,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2019-11-25 08:54:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-11-25 08:54:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2019-11-25 08:54:43,106 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2019-11-25 08:54:43,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:43,106 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2019-11-25 08:54:43,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2019-11-25 08:54:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-25 08:54:43,113 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:43,113 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:43,113 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:43,114 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2019-11-25 08:54:43,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:43,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666355498] [2019-11-25 08:54:43,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:43,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666355498] [2019-11-25 08:54:43,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:43,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:43,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718947775] [2019-11-25 08:54:43,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:43,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:43,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:43,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:43,202 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2019-11-25 08:54:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:43,377 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2019-11-25 08:54:43,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:54:43,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-25 08:54:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:43,383 INFO L225 Difference]: With dead ends: 1029 [2019-11-25 08:54:43,383 INFO L226 Difference]: Without dead ends: 769 [2019-11-25 08:54:43,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:54:43,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2019-11-25 08:54:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2019-11-25 08:54:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-11-25 08:54:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2019-11-25 08:54:43,413 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2019-11-25 08:54:43,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:43,414 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2019-11-25 08:54:43,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2019-11-25 08:54:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:54:43,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:43,419 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:43,422 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:43,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:43,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2019-11-25 08:54:43,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:43,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139431619] [2019-11-25 08:54:43,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:43,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139431619] [2019-11-25 08:54:43,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:43,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:54:43,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152065752] [2019-11-25 08:54:43,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:54:43,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:43,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:54:43,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:43,487 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2019-11-25 08:54:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:43,553 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2019-11-25 08:54:43,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:54:43,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-25 08:54:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:43,557 INFO L225 Difference]: With dead ends: 773 [2019-11-25 08:54:43,557 INFO L226 Difference]: Without dead ends: 515 [2019-11-25 08:54:43,558 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-11-25 08:54:43,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2019-11-25 08:54:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-25 08:54:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2019-11-25 08:54:43,586 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2019-11-25 08:54:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:43,587 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2019-11-25 08:54:43,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:54:43,589 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2019-11-25 08:54:43,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:54:43,590 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:43,590 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:43,591 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:43,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:43,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2019-11-25 08:54:43,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:43,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53350085] [2019-11-25 08:54:43,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:43,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53350085] [2019-11-25 08:54:43,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:43,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:43,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736297899] [2019-11-25 08:54:43,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:43,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:43,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:43,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:43,663 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2019-11-25 08:54:43,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:43,762 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2019-11-25 08:54:43,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:54:43,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-25 08:54:43,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:43,766 INFO L225 Difference]: With dead ends: 735 [2019-11-25 08:54:43,766 INFO L226 Difference]: Without dead ends: 461 [2019-11-25 08:54:43,767 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:43,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-11-25 08:54:43,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2019-11-25 08:54:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-25 08:54:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2019-11-25 08:54:43,796 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2019-11-25 08:54:43,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:43,796 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2019-11-25 08:54:43,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2019-11-25 08:54:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:54:43,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:43,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:43,798 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:43,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:43,798 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2019-11-25 08:54:43,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:43,799 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933827583] [2019-11-25 08:54:43,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:43,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933827583] [2019-11-25 08:54:43,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:43,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:43,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136595558] [2019-11-25 08:54:43,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:43,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:43,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:43,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:43,850 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2019-11-25 08:54:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:43,928 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2019-11-25 08:54:43,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:43,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-25 08:54:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:43,931 INFO L225 Difference]: With dead ends: 707 [2019-11-25 08:54:43,931 INFO L226 Difference]: Without dead ends: 409 [2019-11-25 08:54:43,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-11-25 08:54:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-11-25 08:54:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-25 08:54:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-11-25 08:54:43,963 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2019-11-25 08:54:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:43,963 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-11-25 08:54:43,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-11-25 08:54:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-25 08:54:43,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:43,964 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:43,965 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:43,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:43,965 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2019-11-25 08:54:43,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:43,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240196887] [2019-11-25 08:54:43,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:44,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240196887] [2019-11-25 08:54:44,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:44,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 08:54:44,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135638328] [2019-11-25 08:54:44,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 08:54:44,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:44,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 08:54:44,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:44,047 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 8 states. [2019-11-25 08:54:44,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:44,708 INFO L93 Difference]: Finished difference Result 1716 states and 2260 transitions. [2019-11-25 08:54:44,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-25 08:54:44,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-11-25 08:54:44,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:44,716 INFO L225 Difference]: With dead ends: 1716 [2019-11-25 08:54:44,716 INFO L226 Difference]: Without dead ends: 1314 [2019-11-25 08:54:44,719 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2019-11-25 08:54:44,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2019-11-25 08:54:44,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 409. [2019-11-25 08:54:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-25 08:54:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2019-11-25 08:54:44,769 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2019-11-25 08:54:44,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:44,770 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2019-11-25 08:54:44,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 08:54:44,770 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2019-11-25 08:54:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-25 08:54:44,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:44,772 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:44,773 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash 654995562, now seen corresponding path program 1 times [2019-11-25 08:54:44,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:44,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34769735] [2019-11-25 08:54:44,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 08:54:44,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34769735] [2019-11-25 08:54:44,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:44,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:44,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153898110] [2019-11-25 08:54:44,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:44,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:44,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:44,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:44,816 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2019-11-25 08:54:44,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:44,889 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2019-11-25 08:54:44,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:44,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-25 08:54:44,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:44,892 INFO L225 Difference]: With dead ends: 692 [2019-11-25 08:54:44,893 INFO L226 Difference]: Without dead ends: 290 [2019-11-25 08:54:44,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:44,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-11-25 08:54:44,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2019-11-25 08:54:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-25 08:54:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2019-11-25 08:54:44,919 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2019-11-25 08:54:44,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:44,920 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2019-11-25 08:54:44,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2019-11-25 08:54:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-25 08:54:44,921 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:44,921 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:44,921 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:44,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:44,922 INFO L82 PathProgramCache]: Analyzing trace with hash -805983262, now seen corresponding path program 1 times [2019-11-25 08:54:44,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:44,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14711331] [2019-11-25 08:54:44,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:44,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:44,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14711331] [2019-11-25 08:54:44,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:44,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:44,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780298707] [2019-11-25 08:54:44,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:44,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:44,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:44,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:44,990 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2019-11-25 08:54:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:45,048 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2019-11-25 08:54:45,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:45,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-25 08:54:45,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:45,052 INFO L225 Difference]: With dead ends: 413 [2019-11-25 08:54:45,052 INFO L226 Difference]: Without dead ends: 411 [2019-11-25 08:54:45,052 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:45,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-11-25 08:54:45,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2019-11-25 08:54:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-25 08:54:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2019-11-25 08:54:45,087 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2019-11-25 08:54:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:45,088 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2019-11-25 08:54:45,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2019-11-25 08:54:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:54:45,089 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:45,090 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:45,090 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:45,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:45,090 INFO L82 PathProgramCache]: Analyzing trace with hash 750831267, now seen corresponding path program 1 times [2019-11-25 08:54:45,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:45,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364891612] [2019-11-25 08:54:45,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:54:45,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364891612] [2019-11-25 08:54:45,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:45,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:45,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804364905] [2019-11-25 08:54:45,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:45,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:45,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:45,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:45,253 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2019-11-25 08:54:45,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:45,431 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2019-11-25 08:54:45,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:45,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-25 08:54:45,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:45,436 INFO L225 Difference]: With dead ends: 845 [2019-11-25 08:54:45,436 INFO L226 Difference]: Without dead ends: 632 [2019-11-25 08:54:45,437 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:54:45,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2019-11-25 08:54:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2019-11-25 08:54:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-11-25 08:54:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2019-11-25 08:54:45,476 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2019-11-25 08:54:45,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:45,476 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2019-11-25 08:54:45,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2019-11-25 08:54:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:54:45,478 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:45,478 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:45,478 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:45,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:45,479 INFO L82 PathProgramCache]: Analyzing trace with hash -270237087, now seen corresponding path program 1 times [2019-11-25 08:54:45,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:45,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807330866] [2019-11-25 08:54:45,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:45,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807330866] [2019-11-25 08:54:45,537 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116258083] [2019-11-25 08:54:45,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:54:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:45,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:54:45,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:54:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:45,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:54:45,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-25 08:54:45,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642507595] [2019-11-25 08:54:45,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:54:45,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:45,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:54:45,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:45,744 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2019-11-25 08:54:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:45,920 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2019-11-25 08:54:45,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:54:45,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-25 08:54:45,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:45,926 INFO L225 Difference]: With dead ends: 1262 [2019-11-25 08:54:45,926 INFO L226 Difference]: Without dead ends: 867 [2019-11-25 08:54:45,927 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:54:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-11-25 08:54:46,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2019-11-25 08:54:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-11-25 08:54:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2019-11-25 08:54:46,053 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2019-11-25 08:54:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:46,054 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2019-11-25 08:54:46,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:54:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2019-11-25 08:54:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:54:46,056 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:46,056 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:46,261 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:54:46,262 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:46,262 INFO L82 PathProgramCache]: Analyzing trace with hash 356464481, now seen corresponding path program 1 times [2019-11-25 08:54:46,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:46,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931521077] [2019-11-25 08:54:46,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-25 08:54:46,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931521077] [2019-11-25 08:54:46,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:46,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:46,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327791109] [2019-11-25 08:54:46,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:46,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:46,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:46,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:46,357 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2019-11-25 08:54:46,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:46,475 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2019-11-25 08:54:46,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:46,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-25 08:54:46,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:46,480 INFO L225 Difference]: With dead ends: 1598 [2019-11-25 08:54:46,480 INFO L226 Difference]: Without dead ends: 748 [2019-11-25 08:54:46,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:46,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-11-25 08:54:46,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2019-11-25 08:54:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-25 08:54:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2019-11-25 08:54:46,533 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2019-11-25 08:54:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:46,533 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2019-11-25 08:54:46,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2019-11-25 08:54:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-25 08:54:46,535 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:46,535 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:46,535 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:46,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:46,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1612420545, now seen corresponding path program 2 times [2019-11-25 08:54:46,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:46,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306444923] [2019-11-25 08:54:46,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-25 08:54:46,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306444923] [2019-11-25 08:54:46,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:46,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:54:46,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245744225] [2019-11-25 08:54:46,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:54:46,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:46,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:54:46,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:54:46,646 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2019-11-25 08:54:46,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:46,910 INFO L93 Difference]: Finished difference Result 992 states and 1252 transitions. [2019-11-25 08:54:46,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:54:46,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-25 08:54:46,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:46,911 INFO L225 Difference]: With dead ends: 992 [2019-11-25 08:54:46,911 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:54:46,912 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:54:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:54:46,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:54:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:54:46,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:54:46,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-25 08:54:46,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:46,913 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:46,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:54:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:46,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:54:46,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:54:47,352 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 166 [2019-11-25 08:54:47,651 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 134 [2019-11-25 08:54:47,953 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 162 [2019-11-25 08:54:48,280 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 163 [2019-11-25 08:54:48,505 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 115 [2019-11-25 08:54:48,957 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 212 [2019-11-25 08:54:49,459 WARN L192 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 217 [2019-11-25 08:54:49,831 WARN L192 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 217 [2019-11-25 08:54:50,062 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 155 [2019-11-25 08:54:50,431 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 204 [2019-11-25 08:54:50,665 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 23 [2019-11-25 08:54:50,857 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 21 [2019-11-25 08:54:51,074 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-11-25 08:54:52,032 WARN L192 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 39 [2019-11-25 08:54:52,575 WARN L192 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2019-11-25 08:54:53,273 WARN L192 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 33 [2019-11-25 08:54:53,489 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 26 [2019-11-25 08:54:54,046 WARN L192 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 39 [2019-11-25 08:54:54,435 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-11-25 08:54:55,344 WARN L192 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 31 [2019-11-25 08:54:56,336 WARN L192 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 33 [2019-11-25 08:54:57,178 WARN L192 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 38 [2019-11-25 08:54:57,855 WARN L192 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2019-11-25 08:54:58,050 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2019-11-25 08:54:58,840 WARN L192 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 37 [2019-11-25 08:54:58,858 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-25 08:54:58,858 INFO L440 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-25 08:54:58,858 INFO L440 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse1 .cse2) (and .cse6 .cse4 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse7 .cse1 .cse2))) [2019-11-25 08:54:58,858 INFO L440 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-25 08:54:58,858 INFO L440 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-25 08:54:58,858 INFO L440 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-25 08:54:58,859 INFO L444 ceAbstractionStarter]: For program point L995(lines 995 1012) no Hoare annotation was computed. [2019-11-25 08:54:58,859 INFO L440 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-25 08:54:58,859 INFO L440 ceAbstractionStarter]: At program point L995-1(lines 1 1015) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-11-25 08:54:58,859 INFO L444 ceAbstractionStarter]: For program point L995-2(lines 995 1012) no Hoare annotation was computed. [2019-11-25 08:54:58,859 INFO L440 ceAbstractionStarter]: At program point L995-3(lines 1 1015) the Hoare annotation is: false [2019-11-25 08:54:58,859 INFO L444 ceAbstractionStarter]: For program point L995-4(lines 995 1012) no Hoare annotation was computed. [2019-11-25 08:54:58,859 INFO L440 ceAbstractionStarter]: At program point L995-5(lines 1 1015) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L931(lines 916 934) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse3 .cse4))) [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L440 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-11-25 08:54:58,860 INFO L444 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-25 08:54:58,861 INFO L444 ceAbstractionStarter]: For program point L999(lines 999 1009) no Hoare annotation was computed. [2019-11-25 08:54:58,861 INFO L444 ceAbstractionStarter]: For program point L999-2(lines 999 1009) no Hoare annotation was computed. [2019-11-25 08:54:58,861 INFO L440 ceAbstractionStarter]: At program point L867(lines 860 870) the Hoare annotation is: false [2019-11-25 08:54:58,861 INFO L444 ceAbstractionStarter]: For program point L999-4(lines 999 1009) no Hoare annotation was computed. [2019-11-25 08:54:58,861 INFO L440 ceAbstractionStarter]: At program point L867-1(lines 860 870) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 .cse3 (not .cse2) .cse4 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:54:58,861 INFO L440 ceAbstractionStarter]: At program point L867-2(lines 860 870) the Hoare annotation is: false [2019-11-25 08:54:58,861 INFO L440 ceAbstractionStarter]: At program point L867-3(lines 860 870) the Hoare annotation is: false [2019-11-25 08:54:58,861 INFO L440 ceAbstractionStarter]: At program point L867-4(lines 860 870) the Hoare annotation is: false [2019-11-25 08:54:58,862 INFO L440 ceAbstractionStarter]: At program point L867-5(lines 860 870) the Hoare annotation is: false [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 356) no Hoare annotation was computed. [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-11-25 08:54:58,862 INFO L444 ceAbstractionStarter]: For program point L176-1(lines 747 753) no Hoare annotation was computed. [2019-11-25 08:54:58,863 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-25 08:54:58,863 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 822) no Hoare annotation was computed. [2019-11-25 08:54:58,863 INFO L444 ceAbstractionStarter]: For program point L805-1(lines 805 822) no Hoare annotation was computed. [2019-11-25 08:54:58,863 INFO L444 ceAbstractionStarter]: For program point L805-2(lines 805 822) no Hoare annotation was computed. [2019-11-25 08:54:58,863 INFO L440 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-25 08:54:58,863 INFO L440 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-25 08:54:58,863 INFO L440 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-25 08:54:58,863 INFO L444 ceAbstractionStarter]: For program point L312(lines 311 360) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L809(lines 809 817) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L809-1(lines 809 817) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L842-6(lines 842 848) no Hoare annotation was computed. [2019-11-25 08:54:58,864 INFO L444 ceAbstractionStarter]: For program point L842-8(lines 842 848) no Hoare annotation was computed. [2019-11-25 08:54:58,866 INFO L444 ceAbstractionStarter]: For program point L842-10(lines 842 848) no Hoare annotation was computed. [2019-11-25 08:54:58,866 INFO L440 ceAbstractionStarter]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~systemActive~0)))) [2019-11-25 08:54:58,866 INFO L440 ceAbstractionStarter]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2019-11-25 08:54:58,866 INFO L440 ceAbstractionStarter]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2019-11-25 08:54:58,866 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 355) no Hoare annotation was computed. [2019-11-25 08:54:58,867 INFO L440 ceAbstractionStarter]: At program point L349-1(lines 747 753) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse6 .cse4 .cse7 .cse5) (and .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5))) [2019-11-25 08:54:58,867 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 257) no Hoare annotation was computed. [2019-11-25 08:54:58,867 INFO L447 ceAbstractionStarter]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2019-11-25 08:54:58,867 INFO L444 ceAbstractionStarter]: For program point L944(lines 944 948) no Hoare annotation was computed. [2019-11-25 08:54:58,867 INFO L444 ceAbstractionStarter]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2019-11-25 08:54:58,868 INFO L444 ceAbstractionStarter]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2019-11-25 08:54:58,868 INFO L444 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-11-25 08:54:58,868 INFO L444 ceAbstractionStarter]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2019-11-25 08:54:58,868 INFO L444 ceAbstractionStarter]: For program point L779-1(lines 779 796) no Hoare annotation was computed. [2019-11-25 08:54:58,868 INFO L444 ceAbstractionStarter]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2019-11-25 08:54:58,868 INFO L444 ceAbstractionStarter]: For program point L779-2(lines 779 796) no Hoare annotation was computed. [2019-11-25 08:54:58,869 INFO L444 ceAbstractionStarter]: For program point L779-3(lines 779 796) no Hoare annotation was computed. [2019-11-25 08:54:58,869 INFO L444 ceAbstractionStarter]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2019-11-25 08:54:58,869 INFO L444 ceAbstractionStarter]: For program point L779-4(lines 779 796) no Hoare annotation was computed. [2019-11-25 08:54:58,869 INFO L444 ceAbstractionStarter]: For program point L779-5(lines 779 796) no Hoare annotation was computed. [2019-11-25 08:54:58,869 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:54:58,869 INFO L440 ceAbstractionStarter]: At program point L747(lines 746 765) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse6 .cse1 .cse4 .cse2 .cse5))) [2019-11-25 08:54:58,870 INFO L444 ceAbstractionStarter]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2019-11-25 08:54:58,870 INFO L440 ceAbstractionStarter]: At program point L747-2(lines 746 765) the Hoare annotation is: false [2019-11-25 08:54:58,870 INFO L440 ceAbstractionStarter]: At program point L747-3(lines 746 765) the Hoare annotation is: false [2019-11-25 08:54:58,870 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-25 08:54:58,870 INFO L444 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-25 08:54:58,871 INFO L444 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-25 08:54:58,871 INFO L440 ceAbstractionStarter]: At program point L286(lines 1 1015) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:54:58,871 INFO L440 ceAbstractionStarter]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:54:58,871 INFO L444 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2019-11-25 08:54:58,871 INFO L444 ceAbstractionStarter]: For program point L155-1(line 155) no Hoare annotation was computed. [2019-11-25 08:54:58,871 INFO L444 ceAbstractionStarter]: For program point L155-2(line 155) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L783-1(lines 783 791) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L783-3(lines 783 791) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L783-4(lines 783 791) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L783-5(lines 783 791) no Hoare annotation was computed. [2019-11-25 08:54:58,872 INFO L444 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2019-11-25 08:54:58,873 INFO L440 ceAbstractionStarter]: At program point L321-1(lines 321 327) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10)) (.cse8 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse9 (not .cse2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse9 .cse5 .cse10 .cse6 .cse7) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse5 .cse6) (and .cse8 .cse3 .cse4 .cse9 .cse5 .cse10 .cse6)))) [2019-11-25 08:54:58,873 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:54:58,873 INFO L440 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,873 INFO L440 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse3 .cse2 .cse4))) [2019-11-25 08:54:58,874 INFO L440 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (= 0 ~systemActive~0)) (.cse6 (not .cse1)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse8 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 .cse3 .cse6 .cse4 .cse7 .cse5) (and .cse8 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4) (and .cse8 .cse2 .cse3 .cse6 .cse7 .cse4) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-11-25 08:54:58,874 INFO L440 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,874 INFO L440 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,874 INFO L440 ceAbstractionStarter]: At program point L950(lines 935 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse4 (= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:54:58,874 INFO L440 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,875 INFO L440 ceAbstractionStarter]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2019-11-25 08:54:58,875 INFO L440 ceAbstractionStarter]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,875 INFO L440 ceAbstractionStarter]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2019-11-25 08:54:58,875 INFO L440 ceAbstractionStarter]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,875 INFO L440 ceAbstractionStarter]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-25 08:54:58,875 INFO L440 ceAbstractionStarter]: At program point L984(lines 979 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:54:58,876 INFO L440 ceAbstractionStarter]: At program point L754(lines 754 760) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse4 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse2 .cse6))) [2019-11-25 08:54:58,876 INFO L440 ceAbstractionStarter]: At program point L754-1(lines 754 760) the Hoare annotation is: false [2019-11-25 08:54:58,876 INFO L440 ceAbstractionStarter]: At program point L754-2(lines 754 760) the Hoare annotation is: false [2019-11-25 08:54:58,876 INFO L447 ceAbstractionStarter]: At program point L259(lines 240 262) the Hoare annotation is: true [2019-11-25 08:54:58,876 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:54:58,877 INFO L440 ceAbstractionStarter]: At program point L294(lines 289 297) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-25 08:54:58,877 INFO L440 ceAbstractionStarter]: At program point L361(lines 310 362) the Hoare annotation is: false [2019-11-25 08:54:58,877 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:54:58,877 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:54:58,877 INFO L444 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:54:58,877 INFO L444 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:54:58,878 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:54:58,878 INFO L444 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:54:58,878 INFO L444 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-25 08:54:58,878 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2019-11-25 08:54:58,878 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-25 08:54:58,878 INFO L444 ceAbstractionStarter]: For program point L958(lines 958 964) no Hoare annotation was computed. [2019-11-25 08:54:58,879 INFO L440 ceAbstractionStarter]: At program point L958-1(lines 958 964) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2))) [2019-11-25 08:54:58,879 INFO L444 ceAbstractionStarter]: For program point L925(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,879 INFO L444 ceAbstractionStarter]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,879 INFO L444 ceAbstractionStarter]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,879 INFO L444 ceAbstractionStarter]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,879 INFO L444 ceAbstractionStarter]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,880 INFO L444 ceAbstractionStarter]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2019-11-25 08:54:58,881 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2019-11-25 08:54:58,881 INFO L440 ceAbstractionStarter]: At program point L331-1(lines 331 337) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse6 .cse4 .cse8 .cse5) (and .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5))) [2019-11-25 08:54:58,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:58 BoogieIcfgContainer [2019-11-25 08:54:58,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:58,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:58,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:58,934 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:58,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:41" (3/4) ... [2019-11-25 08:54:58,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:54:58,961 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:54:58,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:54:58,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:54:58,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:54:58,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:54:58,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:58,970 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:59,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-25 08:54:59,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-25 08:54:59,004 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:54:59,005 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-25 08:54:59,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:54:59,010 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-11-25 08:54:59,011 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:54:59,012 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:54:59,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-25 08:54:59,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:54:59,134 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c01e7714-d409-4287-b9be-badc1c6c13eb/bin/uautomizer/witness.graphml [2019-11-25 08:54:59,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:59,136 INFO L168 Benchmark]: Toolchain (without parser) took 18956.33 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 596.6 MB). Free memory was 939.3 MB in the beginning and 1.6 GB in the end (delta: -639.9 MB). Peak memory consumption was 764.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:59,136 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:59,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:59,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:59,137 INFO L168 Benchmark]: Boogie Preprocessor took 78.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:59,137 INFO L168 Benchmark]: RCFGBuilder took 931.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:59,138 INFO L168 Benchmark]: TraceAbstraction took 17075.53 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 472.4 MB). Free memory was 993.9 MB in the beginning and 751.5 MB in the end (delta: 242.4 MB). Peak memory consumption was 716.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:59,138 INFO L168 Benchmark]: Witness Printer took 201.68 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 20.4 MB). Free memory was 751.5 MB in the beginning and 1.6 GB in the end (delta: -827.7 MB). Peak memory consumption was 235.3 kB. Max. memory is 11.5 GB. [2019-11-25 08:54:59,141 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 588.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 931.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17075.53 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 472.4 MB). Free memory was 993.9 MB in the beginning and 751.5 MB in the end (delta: 242.4 MB). Peak memory consumption was 716.7 MB. Max. memory is 11.5 GB. * Witness Printer took 201.68 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 20.4 MB). Free memory was 751.5 MB in the beginning and 1.6 GB in the end (delta: -827.7 MB). Peak memory consumption was 235.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: 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: 86]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 == tmp___0) && 0 == tmp) && 1 == \result) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == \result) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == tmp) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 <= waterLevel && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == tmp) && 0 == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: 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: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((\result == 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter)) || (((((0 == methaneLevelCritical && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 16.9s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, HoareTripleCheckerStatistics: 1962 SDtfs, 2326 SDslu, 3607 SDs, 0 SdLazy, 483 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2855 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 300 NumberOfFragments, 1178 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9132913 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1426421 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 81976 SizeOfPredicates, 1 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 263/289 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...